A kind of solar energy skylight
Technical field
This application involves photovoltaic application field more particularly to a kind of solar energy skylights.
Background technique
Vehicle dormer window has had about more than 100 years history, and vehicle dormer window can facilitate in-vehicle air circulation, ventilation
It is soft, keep in-vehicle air fresh, especially the fresh air on upper layer can make driver's brains keep awake, more secure and reliable of driving,
The enjoyment that healthiness is brought for car owner, the favor by numerous consumers.
Solar telephone skylight is a very classical case of applied solar energy.It can by being mounted on roof,
By shining upon power generation, as long as there is the place shined upon to generate electricity, moreover it is possible to store electric energy.Solar energy skylight is answered
Constantly expanded with range, develop a kind of low cost, the solar energy skylight for being able to satisfy diversified demand is necessary.
Summary of the invention
To overcome the problems in correlation technique, the application provides a kind of solar energy skylight.
The application is achieved through the following technical solutions:
A kind of solar energy skylight, including:Solar battery sheet, skylight glass and flexible package layer, the solar battery
Encapsulated glue-line and the skylight glass are distinguished in the two sides of piece and the flexible package layer bonds;The solar battery sheet is based on
Dye-sensitized solar cells.
Preferably, the flexible package layer is flexible glass.
Preferably, the encapsulation glue-line be ethylene-vinyl acetate copolymer, polyvinyl butyral, TPE glue film or
POE glue film.
Preferably, the dye-sensitized solar cells are constituted by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrate, transition zone, tungstic acid seed layer, tungstic acid three-dimensional grid nanostructure and dye molecule;Institute
Stating transition zone is Cr film transition zone;The tungstic acid seed layer thickness is 20nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrate is cleaned:FTO conductive glass surface can have the pollution such as greasy dirt, dust, take certain size first
Its conduction is put into dish washing liquid solution up, is cleaned by ultrasonic 30min, then uses by the FTO electro-conductive glass of (10cm × 10cm)
FTO electro-conductive glass for several times, until dish washing liquid is cleaned up, then, is sequentially placed into acetone, second by deionized water repeated flushing
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun stand-by;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surface magnetron sputtering after cleaning is used as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thickness are 50nm;
C) tungstic acid seed layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is mixed them thoroughly, and beaker is then put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after cleaning in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, keeps pulling out speed being 0.05cm/s, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass is finally put into 300 DEG C of annealing 5h in Muffle furnace, wherein temperature-rise period
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructure is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstate, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass for being covered with tungstic acid seed layer inclination is taken to lean against in the solution of autoclave liner, conducting surface
It places, after sealing, autoclave is put into the baking oven for being warming up to 95 DEG C downward, reaction for 24 hours, is down to naturally after fully reacting
Room temperature takes out FTO electro-conductive glass, rinses 30s with deionized water, obtains the light that growth has tungstic acid three-dimensional grid nanostructure
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte apply traditional three anion electrolyte of iodine/iodine, weigh the acetonitrile solution of 100ml first, thereto plus
Enter the lithium iodide of 0.1mol, 0.1mol iodine, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridine and 0.6mol is protected from light
Ultrasonic 5min, dissolves it sufficiently;Then the nano silver particles for weighing 5g, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h;
S3, encapsulation:
It takes the dye solution prepared in step S2 to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructure enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will have Pt Catalytic Layer
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture of one end injects, and encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
The technical solution that embodiments herein provides can include the following benefits:
1. the dye-sensitized solar cells in the application solar energy skylight, due to being adopted in conventional dyes sensitization solar battery
Use TiO2 nano particle as the carrier of dyestuff, though grain structure has big specific surface area, due to grain boundary face
In the presence of electronics transmits between particles will be by countless interfaces, this weakens transmission rate of the electronics in transmission process;This hair
Light anode structure is that tungstic acid three-dimensional grid is directly grown on transparent conductive film in bright dye-sensitized solar cells
Nanostructure, with direct electron transfer pathways, electronics can be collected on electrode along three-dimensional manometer grid, simultaneously
Since tungsten trioxide nano material belongs to semiconductor material with wide forbidden band, there is high electric conductivity, therefore in terms of structure and material
Substantially increase the efficiency of transmission of electronics.
2. tungstic acid three-dimensional grid nanostructure has biggish specific surface area, the absorption effect of dyestuff can be greatly improved
Rate, dyestuff are optically excited generation electronics, and sufficient Dye Adsorption amount can largely generate photon, increase density of photocurrent, in turn
It can be improved the transfer efficiency of sunlight.
3. increasing one layer of Cr metal between the FTO substrate and tungstic acid three-dimensional grid nanostructure of light anode, make
For the transition zone of electronics conduction, biggish contact resistance between nanostructure and substrate is avoided, in addition, being added in the electrolytic solution
Nano-Ag particles, nano-Ag particles facilitate the scattering of sunlight in the electrolytic solution, increase the probability of dyestuff absorption, can
Improve incident photon-to-electron conversion efficiency.
4. in the modified light anode structure that the present invention designs, tungstic acid three-dimensional grid nanostructure uses hydro-thermal legal system
Standby, the preparation method is simple, low in cost, the potentiality with a wide range of practical application.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.It should be understood that above general description and following detailed description are only
Be it is exemplary and explanatory, the application can not be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is herein described solar energy skylight structure schematic diagram, wherein 1- solar battery sheet, 2- encapsulate glue-line, 3-
Skylight glass, 4- flexible package layer.
Fig. 2 is the flow chart of the production method of dye-sensitized solar cells described in the application solar energy skylight.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Following disclosure provides many different embodiments or example is used to realize the different structure of the application.For letter
Change disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
Purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals and/or letter.It is this heavy
It is that for purposes of simplicity and clarity, itself is more than the relationship discussed between various embodiments and/or setting again.This
Outside, this application provides various specific techniques and material example, but those of ordinary skill in the art may be aware that
The use of the applicability and/or other materials of other techniques.In addition, fisrt feature described below is in Second Eigenvalue "upper"
Structure may include embodiment that the first and second features are formed as directly contacting, also may include that other feature is formed in
Embodiment between first and second features, such first and second feature may not be direct contact.
In the description of the present application, it should be noted that unless otherwise specified and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
The energy is to provide the substance that energy converts to nature, is the material base of mankind's activity.Clean energy resource, also referred to as
Green energy resource refers to those energy not discharged pollutants, and includes water energy, wind energy, solar energy, biological energy source, nuclear energy, underground heat
Can etc., clean energy resource is environmentally friendly, and discharge is few, and pollution level is small.Currently, the development and utilization of clean energy resource is becoming
The consistent appealing of world.
Solar energy clean energy resource is that the luminous energy of the sun is converted to the forms such as thermal energy, electric energy, will not in energy sources conversion
Generate other pollutions.At present it is most commonly used is silica-based solar, the efficiency of photoelectric conversion is higher, still, silicon it is purified
Journey meeting generation environment pollution, the complex manufacturing technology of silica-based solar cell are expensive.
In the big family of solar battery, dye-sensitized solar cells belongs to hybrid inorganic-organic battery, type electricity
Pond constitutes class sandwich structure by light anode, to the electrolyte of electrode and sandwich;Wherein, light anode is usually by transparent electricity
The TiO2 nano thin-film on pole and its surface is constituted, which is adsorbed with dyestuff, and dyestuff is mainly used to absorb sunlight
Energy;Electrode is generally made of the catalytic film on electrode and its surface, which is generally Pt metal.The dye sensitization sun
Energy battery has many advantages, such as technically simple, low in cost.In the research to dye-sensitized solar cells, the material of light anode
The transfer efficiency aspect for improving photoelectricity is played a significant role with structure.
Tungsten belongs to transition metal, and tungstic acid is the highest oxidation state of tungsten, fully meets stoichiometric ratio, three oxidations
Tungsten is a kind of typical wide bandgap semiconductor functional material, in gas detection, light, electrochromism, photocatalysis, the side such as electrochemistry
Face has excellent performance.
The present invention will be further explained with reference to the examples below.
Embodiment one:
By Fig. 1, embodiments herein is related to a kind of solar energy skylight, including:Solar battery sheet 1,3 and of skylight glass
Encapsulated glue-line 2 and the skylight glass 3 and the flexible envelope are distinguished in flexible package layer 4, the two sides of the solar battery sheet 1
Layer 4 is filled to bond;The solar battery sheet 1 is based on dye-sensitized solar cells.
Preferably, the flexible package layer 4 is flexible glass.
Preferably, the encapsulation glue-line 2 be ethylene-vinyl acetate copolymer, polyvinyl butyral, TPE glue film or
POE glue film.
Preferably, the dye-sensitized solar cells are constituted by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrate, transition zone, tungstic acid seed layer, tungstic acid three-dimensional grid nanostructure and dye molecule;Institute
Stating transition zone is Cr film transition zone;The tungstic acid seed layer thickness is 20nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, in conjunction with Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrate is cleaned:FTO conductive glass surface can have the pollution such as greasy dirt, dust, take certain size first
Its conduction is put into dish washing liquid solution up, is cleaned by ultrasonic 30min, then uses by the FTO electro-conductive glass of (10cm × 10cm)
FTO electro-conductive glass for several times, until dish washing liquid is cleaned up, then, is sequentially placed into acetone, second by deionized water repeated flushing
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun stand-by;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surface magnetron sputtering after cleaning is used as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thickness are 50nm;
C) tungstic acid seed layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is mixed them thoroughly, and beaker is then put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after cleaning in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, keeps pulling out speed being 0.05cm/s, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass is finally put into 300 DEG C of annealing 5h in Muffle furnace, wherein temperature-rise period
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructure is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstate, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass for being covered with tungstic acid seed layer inclination is taken to lean against in the solution of autoclave liner, conducting surface
It places, after sealing, autoclave is put into the baking oven for being warming up to 95 DEG C downward, reaction for 24 hours, is down to naturally after fully reacting
Room temperature takes out FTO electro-conductive glass, rinses 30s with deionized water, obtains the light that growth has tungstic acid three-dimensional grid nanostructure
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte apply traditional three anion electrolyte of iodine/iodine, weigh the acetonitrile solution of 100ml first, thereto plus
Enter the lithium iodide of 0.1mol, 0.1mol iodine, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridine and 0.6mol is protected from light
Ultrasonic 5min, dissolves it sufficiently;Then the nano silver particles for weighing 5g, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h;
S3, encapsulation:
It takes the dye solution prepared in step S2 to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructure enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will have Pt Catalytic Layer
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture of one end injects, and encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells, by Hydrothermal Growth, in FTO substrate, one layer of three oxygen is grown
Change tungsten network, when wherein tungsten hexachloride content is 60mmol, nanometer grid is with a thickness of 6 μm.Tungsten trioxide nano three-dimensional knot
Structure is in hollow network-like, wherein the diameter of network is 40nm, and centre, which can be adsorbed, hides a large amount of dye molecules, and dyestuff is inhaled
Attached amount is 0.189 × 10-6mol/cm2.
Photoelectric conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power density 100mW/
Cm2, test discovery, short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 9.4%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 3.1%, better working stability.
By test, solar energy skylight of the invention, preparation process is simple, and anti-fatigue ability is strong, photoelectric conversion efficiency compared with
Height has certain practical application potential.
Embodiment two:
By Fig. 1, embodiments herein is related to a kind of solar energy skylight, including:Solar battery sheet 1,3 and of skylight glass
Encapsulated glue-line 2 and the skylight glass 3 and the flexible envelope are distinguished in flexible package layer 4, the two sides of the solar battery sheet 1
Layer 4 is filled to bond;The solar battery sheet 1 is based on dye-sensitized solar cells.
Preferably, the flexible package layer 4 is flexible glass.
Preferably, the encapsulation glue-line 2 be ethylene-vinyl acetate copolymer, polyvinyl butyral, TPE glue film or
POE glue film.
Preferably, the dye-sensitized solar cells are constituted by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrate, transition zone, tungstic acid seed layer, tungstic acid three-dimensional grid nanostructure and dye molecule;Institute
Stating transition zone is Cr film transition zone;The tungstic acid seed layer thickness is 20nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, in conjunction with Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrate is cleaned:FTO conductive glass surface can have the pollution such as greasy dirt, dust, take certain size first
Its conduction is put into dish washing liquid solution up, is cleaned by ultrasonic 30min, then uses by the FTO electro-conductive glass of (10cm × 10cm)
FTO electro-conductive glass for several times, until dish washing liquid is cleaned up, then, is sequentially placed into acetone, second by deionized water repeated flushing
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun stand-by;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surface magnetron sputtering after cleaning is used as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thickness are 50nm;
C) tungstic acid seed layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is mixed them thoroughly, and beaker is then put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after cleaning in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, keeps pulling out speed being 0.05cm/s, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass is finally put into 300 DEG C of annealing 5h in Muffle furnace, wherein temperature-rise period
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructure is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstate, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass for being covered with tungstic acid seed layer inclination is taken to lean against in the solution of autoclave liner, conducting surface
It places, after sealing, autoclave is put into the baking oven for being warming up to 95 DEG C downward, reaction for 24 hours, is down to naturally after fully reacting
Room temperature takes out FTO electro-conductive glass, rinses 30s with deionized water, obtains the light that growth has tungstic acid three-dimensional grid nanostructure
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte apply traditional three anion electrolyte of iodine/iodine, weigh the acetonitrile solution of 100ml first, thereto plus
Enter the lithium iodide of 0.1mol, 0.1mol iodine, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridine and 0.6mol is protected from light
Ultrasonic 5min, dissolves it sufficiently;Then the nano silver particles for weighing 5g, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h;
S3, encapsulation:
It takes the dye solution prepared in step S2 to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructure enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will have Pt Catalytic Layer
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture of one end injects, and encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells, by Hydrothermal Growth, in FTO substrate, one layer of three oxygen is grown
Change tungsten network, when wherein tungsten hexachloride content is 50mmol, nanometer grid is with a thickness of 5 μm.Tungsten trioxide nano three-dimensional knot
Structure is in hollow network-like, wherein the diameter of network is 40nm, and centre, which can be adsorbed, hides a large amount of dye molecules, and dyestuff is inhaled
Attached amount is 0.189 × 10-6mol/cm2.
Photoelectric conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power density 100mW/
Cm2, test discovery, short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 8.3%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 3.5%, better working stability.
By test, solar energy skylight of the invention, preparation process is simple, and anti-fatigue ability is strong, photoelectric conversion efficiency compared with
Height has certain practical application potential.
Embodiment three:
By Fig. 1, embodiments herein is related to a kind of solar energy skylight, including:Solar battery sheet 1,3 and of skylight glass
Encapsulated glue-line 2 and the skylight glass 3 and the flexible envelope are distinguished in flexible package layer 4, the two sides of the solar battery sheet 1
Layer 4 is filled to bond;The solar battery sheet 1 is based on dye-sensitized solar cells.
Preferably, the flexible package layer 4 is flexible glass.
Preferably, the encapsulation glue-line 2 be ethylene-vinyl acetate copolymer, polyvinyl butyral, TPE glue film or
POE glue film.
Preferably, the dye-sensitized solar cells are constituted by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrate, transition zone, tungstic acid seed layer, tungstic acid three-dimensional grid nanostructure and dye molecule;Institute
Stating transition zone is Cr film transition zone;The tungstic acid seed layer thickness is 20nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, in conjunction with Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrate is cleaned:FTO conductive glass surface can have the pollution such as greasy dirt, dust, take certain size first
Its conduction is put into dish washing liquid solution up, is cleaned by ultrasonic 30min, then uses by the FTO electro-conductive glass of (10cm × 10cm)
FTO electro-conductive glass for several times, until dish washing liquid is cleaned up, then, is sequentially placed into acetone, second by deionized water repeated flushing
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun stand-by;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surface magnetron sputtering after cleaning is used as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thickness are 50nm;
C) tungstic acid seed layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is mixed them thoroughly, and beaker is then put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after cleaning in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, keeps pulling out speed being 0.05cm/s, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass is finally put into 300 DEG C of annealing 5h in Muffle furnace, wherein temperature-rise period
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructure is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstate, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass for being covered with tungstic acid seed layer inclination is taken to lean against in the solution of autoclave liner, conducting surface
It places, after sealing, autoclave is put into the baking oven for being warming up to 95 DEG C downward, reaction for 24 hours, is down to naturally after fully reacting
Room temperature takes out FTO electro-conductive glass, rinses 30s with deionized water, obtains the light that growth has tungstic acid three-dimensional grid nanostructure
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte apply traditional three anion electrolyte of iodine/iodine, weigh the acetonitrile solution of 100ml first, thereto plus
Enter the lithium iodide of 0.1mol, 0.1mol iodine, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridine and 0.6mol is protected from light
Ultrasonic 5min, dissolves it sufficiently;Then the nano silver particles for weighing 5g, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h;
S3, encapsulation:
It takes the dye solution prepared in step S2 to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructure enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will have Pt Catalytic Layer
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture of one end injects, and encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells, by Hydrothermal Growth, in FTO substrate, one layer of three oxygen is grown
Change tungsten network, when wherein tungsten hexachloride content is 70mmol, nanometer grid is with a thickness of 7 μm.Tungsten trioxide nano three-dimensional knot
Structure is in hollow network-like, wherein the diameter of network is 40nm, and centre, which can be adsorbed, hides a large amount of dye molecules, and dyestuff is inhaled
Attached amount is 0.189 × 10-6mol/cm2.
Photoelectric conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power density 100mW/
Cm2, test discovery, short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 7.8%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 5.1%, better working stability.
By test, solar energy skylight of the invention, preparation process is simple, and anti-fatigue ability is strong, photoelectric conversion efficiency compared with
Height has certain practical application potential.
Example IV:
By Fig. 1, embodiments herein is related to a kind of solar energy skylight, including:Solar battery sheet 1,3 and of skylight glass
Encapsulated glue-line 2 and the skylight glass 3 and the flexible envelope are distinguished in flexible package layer 4, the two sides of the solar battery sheet 1
Layer 4 is filled to bond;The solar battery sheet 1 is based on dye-sensitized solar cells.
Preferably, the flexible package layer 4 is flexible glass.
Preferably, the encapsulation glue-line 2 be ethylene-vinyl acetate copolymer, polyvinyl butyral, TPE glue film or
POE glue film.
Preferably, the dye-sensitized solar cells are constituted by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrate, transition zone, tungstic acid seed layer, tungstic acid three-dimensional grid nanostructure and dye molecule;Institute
Stating transition zone is Cr film transition zone;The tungstic acid seed layer thickness is 20nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, in conjunction with Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrate is cleaned:FTO conductive glass surface can have the pollution such as greasy dirt, dust, take certain size first
Its conduction is put into dish washing liquid solution up, is cleaned by ultrasonic 30min, then uses by the FTO electro-conductive glass of (10cm × 10cm)
FTO electro-conductive glass for several times, until dish washing liquid is cleaned up, then, is sequentially placed into acetone, second by deionized water repeated flushing
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun stand-by;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surface magnetron sputtering after cleaning is used as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thickness are 50nm;
C) tungstic acid seed layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is mixed them thoroughly, and beaker is then put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after cleaning in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, keeps pulling out speed being 0.05cm/s, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass is finally put into 300 DEG C of annealing 5h in Muffle furnace, wherein temperature-rise period
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructure is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstate, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass for being covered with tungstic acid seed layer inclination is taken to lean against in the solution of autoclave liner, conducting surface
It places, after sealing, autoclave is put into the baking oven for being warming up to 95 DEG C downward, reaction for 24 hours, is down to naturally after fully reacting
Room temperature takes out FTO electro-conductive glass, rinses 30s with deionized water, obtains the light that growth has tungstic acid three-dimensional grid nanostructure
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte apply traditional three anion electrolyte of iodine/iodine, weigh the acetonitrile solution of 100ml first, thereto plus
Enter the lithium iodide of 0.1mol, 0.1mol iodine, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridine and 0.6mol is protected from light
Ultrasonic 5min, dissolves it sufficiently;Then the nano silver particles for weighing 5g, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h;
S3, encapsulation:
It takes the dye solution prepared in step S2 to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructure enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will have Pt Catalytic Layer
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture of one end injects, and encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells,
By Hydrothermal Growth, in FTO substrate, one layer of tungstic acid network is grown, wherein tungsten hexachloride content
When for 90mmol, nanometer grid is with a thickness of 10 μm.Tungsten trioxide nano three-dimensional structure is in hollow network-like, wherein network
Diameter be 40nm, centre, which can be adsorbed, hides a large amount of dye molecules, Dye Adsorption amount be 0.189 × 10-6mol/cm2.
Photoelectric conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power density 100mW/
Cm2, test discovery, short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 7.3%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 3.1%, better working stability.
By test, solar energy skylight of the invention, preparation process is simple, and anti-fatigue ability is strong, photoelectric conversion efficiency compared with
Height has certain practical application potential.
Embodiment five:
By Fig. 1, embodiments herein is related to a kind of solar energy skylight, including:Solar battery sheet 1,3 and of skylight glass
Encapsulated glue-line 2 and the skylight glass 3 and the flexible envelope are distinguished in flexible package layer 4, the two sides of the solar battery sheet 1
Layer 4 is filled to bond;The solar battery sheet 1 is based on dye-sensitized solar cells.
Preferably, the flexible package layer 4 is flexible glass.
Preferably, the encapsulation glue-line 2 be ethylene-vinyl acetate copolymer, polyvinyl butyral, TPE glue film or
POE glue film.
Preferably, the dye-sensitized solar cells are constituted by light anode, to electrode and electrolyte;The light anode is by outer
And interior it is followed successively by FTO substrate, transition zone, tungstic acid seed layer, tungstic acid three-dimensional grid nanostructure and dye molecule;Institute
Stating transition zone is Cr film transition zone;The tungstic acid seed layer thickness is 20nm;The tungstic acid three-dimensional grid nano junction
Structure is prepared using hydro-thermal method.
Preferably, in conjunction with Fig. 2, the preparation process of the dye-sensitized solar cells is as follows:
S1 prepares light anode
A) FTO substrate is cleaned:FTO conductive glass surface can have the pollution such as greasy dirt, dust, take certain size first
Its conduction is put into dish washing liquid solution up, is cleaned by ultrasonic 30min, then uses by the FTO electro-conductive glass of (10cm × 10cm)
FTO electro-conductive glass for several times, until dish washing liquid is cleaned up, then, is sequentially placed into acetone, second by deionized water repeated flushing
It is cleaned by ultrasonic 20min respectively in alcohol, deionized water, is dried up with nitrogen gun stand-by;
B) transition zone is prepared:One layer of Cr film of FTO conductive glass surface magnetron sputtering after cleaning is used as tungstic acid
The transition zone of three dimensional network structure and FTO electro-conductive glass, Cr film thickness are 50nm;
C) tungstic acid seed layer is prepared:Take the sodium tungstate of 0.1mol, the diethanol amine of 0.06mol and the anhydrous second of 100ml
Alcoholic solution is put it into beaker, in room temperature magnetic agitation 30min, is mixed them thoroughly, and beaker is then put into 80 DEG C of oil baths
Middle magnetic agitation 6h, obtains seed solution;The FTO electro-conductive glass after cleaning in step 1 is taken, it is molten to be slowly entered seed
In liquid, 3min is stood, then slowly pulls out FTO electro-conductive glass, keeps pulling out speed being 0.05cm/s, then by the FTO of pull-out
Electro-conductive glass is put into baking oven and dries, and FTO electro-conductive glass is finally put into 300 DEG C of annealing 5h in Muffle furnace, wherein temperature-rise period
Middle heating rate is 5 DEG C/min;
D) tungstic acid three-dimensional grid nanostructure is grown:Preparation contains tungsten hexachloride, 30mmol sodium tungstate, 45mmol's
The deionized water mixed solution of hexamethylenetetramine and 200ml is added dropwise 5ml ammonium hydroxide and stirs, transfers it to height
It presses in kettle liner;The FTO electro-conductive glass for being covered with tungstic acid seed layer inclination is taken to lean against in the solution of autoclave liner, conducting surface
It places, after sealing, autoclave is put into the baking oven for being warming up to 95 DEG C downward, reaction for 24 hours, is down to naturally after fully reacting
Room temperature takes out FTO electro-conductive glass, rinses 30s with deionized water, obtains the light that growth has tungstic acid three-dimensional grid nanostructure
Anode;
S2 prepares electrolyte and dyestuff:
Electrolyte apply traditional three anion electrolyte of iodine/iodine, weigh the acetonitrile solution of 100ml first, thereto plus
Enter the lithium iodide of 0.1mol, 0.1mol iodine, the tetrabutylammonium iodide of 0.6mol 4- tert .-butylpyridine and 0.6mol is protected from light
Ultrasonic 5min, dissolves it sufficiently;Then the nano silver particles for weighing 5g, are added into mixed solution, are sufficiently mixed;
Dye solution:N719 powder 50mg is weighed, N719 is added to absolute ethanol by dehydrated alcohol 30ml, sufficiently dissolves,
It is protected from light stirring 12h;
S3, encapsulation:
It takes the dye solution prepared in step S2 to be put into brown glass ware, growth is then had into tungstic acid three-dimensional grid
The light anode of nanostructure enters in the brown glass ware, is protected from light and is sensitized 3h at 60 DEG C, takes out, then will have Pt Catalytic Layer
Identical size FTO electro-conductive glass be packaged together with the light anode, encapsulating material use heat-sealing film, by electrolyte to electrode
The aperture of one end injects, and encapsulates aperture, and connecting wire forms modified dye-sensitized solar cells of the invention.
Preferably, in the dye-sensitized solar cells, by Hydrothermal Growth, in FTO substrate, one layer of three oxygen is grown
Change tungsten network, when wherein tungsten hexachloride content is 120mmol, nanometer grid is with a thickness of 15 μm.Tungsten trioxide nano is three-dimensional
Structure is in hollow network-like, wherein the diameter of network is 40nm, and centre, which can be adsorbed, hides a large amount of dye molecules, dyestuff
Adsorbance is 0.189 × 10-6mol/cm2.
Photoelectric conversion test is carried out to dye cell structure of the present invention, test condition is AM1.5 optical power density 100mW/
Cm2, test discovery, short circuit current 15.4mA/cm2, open-circuit voltage 0.6V, photoelectric conversion efficiency reach 6.5%.It is antifatigue
Test, in follow-on test 1000h, photoelectric conversion efficiency, which compares, has dropped 3.1%, better working stability.
By test, solar energy skylight of the invention, preparation process is simple, and anti-fatigue ability is strong, photoelectric conversion efficiency compared with
Height has certain practical application potential.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.