CN104076568B - A kind of preparation method of polymorphic electrochromic device - Google Patents
A kind of preparation method of polymorphic electrochromic device Download PDFInfo
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Abstract
The present invention relates to the preparation method of a kind of polymorphic electrochromic device, belong to functional material and device arts.It concretely comprises the following steps: 1) configuration electrolyte solution；2) cutting 2 pieces of transparent conductive substrate and consistent with its width, length than its short 3～7mm, the polyfluortetraethylene plate of thickness 0.3～0.7mm, and in the middle of polyfluortetraethylene plate, dig a square through hole, through hole edge is 3～7mm to the distance at corresponding polyfluortetraethylene plate edge, standby after rinsing, drying；3) by base metal oxide nanoparticulate dispersion, it is spun on a substrate conduction layer, then sinters；4) polyfluortetraethylene plate is binded on the substrate conduction layer of non-spin coating, electrolyte solution is poured in its through hole, the substrate conduction aspect of spin coating being binded to through hole, wherein two pieces of substrate long side directions stagger 3～7mm and polyfluortetraethylene plate is completely covered, and finally use epoxy encapsulation again.Electrochromic device prepared by this method can realize transparent, minute surface, black trichroism state reversible transformation.
Description
Technical field
The present invention relates to the preparation of a kind of polymorphic electrochromic device, belong to functional material and device
Part technical field.
Background technology
The electrochromism phenomenon of material refers to that some material aoxidizes under the effect of applying electrical potential
Reduction reaction and cause it that absorbance of light or reflectance are occurred reversible change phenomenon.Since
Deb utilized WO in 19693Film preparation goes out to beat the world electrochromic device (ECD)
Since, electrochromic devices based on various material systems and different structure are constantly devised
Come, for its system, be broadly divided into following three classes: the first kind is by executing alive side
Formula is injected in electrochromic material or extracts ion (mainly Li out+、H+) realize variable color,
Such as transition metal oxide WO3、NiO、V2O5、MoO3Deng (Crystalline WO3
Nanoparticles for Highly Improved Electrochromic
Applications—Adv.Mater.2006,18,763)；Equations of The Second Kind is to be induced by hydrogen
Cause rare earth element, the mixture of rare earth element and magnesium and the mixing of transition metal composition
Thing generation phase in version, thus realize regulation and control (the Surface Coating of to reflection coefficient
Electrochromic Switchable Mirror Glass Based on Mg–Ni Thin Film
for High Durability in the Environment—Appl.Phys.Express2010,
3,042201)；3rd class is to be deposited in transparent conductive substrate by the method for reversible electrodeposition
With dissolve metal, to realize regulation (Bismuth Electrochromic to substrate optical states
Device with High Paper-Like Quality and High Performances—ACS
Appl.Mater.Interfaces2010,2,1471)。
Traditional electro-deposition method is typically only capable to give that electrochromic device is transparent or light and minute surface
Two states, it is difficult to realize the black state that light is had extremely strong absorbent properties, although the most existing literary composition
Offer report (Electrochemical Optical-Modulation Device with
Reversible Transformation Between Transparent,Mirror,and
Black Adv.Matter.2012,24, OP122) black state can be realized, but it makes
Nano-indium stannum oxide (ITO) particle dispersion cost the highest, be unfavorable for real on a large scale
Border is applied and at industrial circle utilization and extention.
Summary of the invention
The present invention is directed to the problem proposed in above-mentioned background technology, side based on reversible electrodeposition
Method, it is proposed that the preparation method of a kind of polymorphic electrochromic device.The present invention utilizes base metal oxygen
The nano-particle of compound realizes black state so that the device prepared can be at transparent, minute surface
And the conversion between three kinds of states of black, and three kinds of state effects are obvious, conversion voltage only needs ±
2.5V。
Its preparation method comprises the steps:
Step one: weigh the AgNO of 0.1～2.5mmol3, 0.5～the quaternary ammonium bromide of 12.5mmol
Salt, 0.1～0.5mmol mantoquita, be dissolved in the polar organic solvent of 10～50mL, go forward side by side
Row magnetic agitation is until solute all dissolves；
Step 2: select the transparent conductive substrate 2 of 2.0cm × 1.5cm～25.5 × 25cm,
Utilize 2 transparent conductive substrate described in deionized water and soak with ethanol successively, and in ultrasonic cleaning
Machine cleans 3～7 times, dries under conditions of 60～100 DEG C after washes clean, standby；
Step 3: cutting width is consistent with the width of transparent conductive substrate, and length compares electrically conducting transparent
The length short 3～7mm of substrate, thickness is the polyfluortetraethylene plate of 0.3～0.7mm, under cutting
A square through hole, through hole and corresponding politef is dug in the middle of the polyfluortetraethylene plate come
Between edges of boards edge, width is 3～7mm, be utilized respectively deionized water and dehydrated alcohol rinse this poly-four
Fluorothene plate 3～5 times, dry after cleaning at 50～70 DEG C；
Step 4: the low-priced gold that compound concentration is 0.01～0.1g/mL, granular size is 5～500nm
Belong to oxide nano particles dispersion liquid, by it in rotating speed 200～2000 revs/min, time 3～20s
On any one piece of transparent conductive substrate conductive layer being spun in step 2, wherein revolved before spin coating
Needing to cover a slice width degree on the minor face of the transparent substrates conductive layer being coated with is 3～5mm, length and minor face
Identical seamless adhesive tape, spin coating needs seamless adhesive tape of tearing after terminating, then 200～700 DEG C in
Tubular annealing stove sinters 20～60 minutes；
Step 5: polyfluortetraethylene plate bonding step 3 prepared is prepared in described step 2
Non-spin coating has on the conductive layer of the transparent conductive substrate of base metal oxide nanoparticulate dispersion,
In its through hole, pour described step one product into, more described step 4 is prepared leading of transparent substrates
Electric layer is binded towards through hole, and wherein two pieces of substrate long side directions stagger 3～7mm, politef
Plate is completely covered by transparent conductive substrate, is packaged with epoxy resin the most again.
Quaternary ammonium bromide described in above-mentioned steps one is cetab, the tetrabutyl
Ammonium bromide, tetramethylammonium bromide, tetraethyl-ammonium bromide, ammonium bromide, Dodecyl trimethyl ammonium chloride
In any one.
Mantoquita in above-mentioned steps one is any one in copper nitrate, copper chloride, copper sulfate.
Polar organic solvent in above-mentioned steps one be Methanamide, dimethyl sulfoxide (DMSO), two
Any one in methylformamide (DMF), dimethyl acetylamide (DMAC), hexamethyl phosphoramide
Kind.
Transparent conductive substrate in above-mentioned steps two is for scribbling In2O3:Sn(ITO)、In2O3:Zn
(IZO)、In2O3:Nb、ZnO:Al(AZO)、ZnO:Ga(GZO)、ZnO:In(IZO)、ZnO:Si
(SZO)、ZnO:B(BZO)、ZnO:F(FZO)、ZnO:Nb、ZnO:Sc、SnO2:F(FTO)、
SnO2:Sb(ATO)、SnO2: Ta or SnO2: the glass of W codope oxide or flexible substrate,
Such as ITO/PET (polyethylene terephthalate), AZO/PET, AZO/PC (poly-carbonic acid
Ester), AZO/PES (polyether sulfone), AZO/PVDF (polyvinylidene fluoride), AZO/TPT (poly-fluorine
Ethylene composite membrane), GZO/PET, GZO/PC, GZO/PEN (PEN),
IZO/PET、IZO/PC、FTO/PET、ATO/PES。
In above-mentioned steps four, preparing the dispersant that base metal nanoparticulate dispersion used is parent
Aqueous solvent: water, ethanol, ethylene glycol, or liphophilic solvents: dimethylbenzene, diethylene glycol hexichol
Formic acid esters.
In above-mentioned steps four, described base metal oxide be titanium, zinc, aluminum, stannum, tungsten, molybdenum,
Tantalum, magnesium, zirconium, germanium oxide in any one.
In above-mentioned steps four, the spin coating mode of base metal oxide nanoparticulate dispersion is: first
3～8s are rotated under the slow-speed of revolution 200～600 revs/min, then under high rotating speed 1000～2000 revs/min
Rotate 10～20s.
In sum, an advantage of the invention is that it provides a kind of electro-deposition electrochromic device,
Can transparent, minute surface and black tri-state change, with low cost, and effect is obvious, use cheap easily
The base metal oxide nano-particle obtained substitutes nano-indium stannum oxide (ITO) granule of high cost and divides
Dissipate liquid electrode is modified.
Accompanying drawing explanation
Fig. 1. (a) is the side view of the device assembled, and (b) is device top view, (c)
Polyfluortetraethylene plate (mid portion is through hole) for band through hole.
Fig. 2. three kinds of states of this electrochromic device and the fundamental diagram of correspondence thereof, (a) is
Mirror status；B () is pellucidity；C () is black state.
Detailed description of the invention
Experimental technique employed in following embodiment, if no special instructions, is conventional method；
Agents useful for same, material etc., if no special instructions, the most commercially obtain.Below to this
The detailed description of the invention of invention is specifically described, with TiO2, represent base metal oxygen as a example by ZnO
Compound:
Embodiment 1
Step one: weigh the AgNO of 85mg (0.5mmol)3, the four of 806mg (2.5mmol)
Butylammonium bromide (TBABr), the CuCl of 13mg (0.1mmol)2, it is dissolved in 10mL's
In DMSO, and carry out magnetic agitation until solute all dissolves；
Step 2: choose FTO glass that two block sizes are 3cm × 2.5cm as electrode, successively
Utilize deionized water and ethanol that it is soaked, and utilize supersonic cleaning machine to be carried out 5 times,
Dry at 80 DEG C after Xi Jinging, standby；
Step 3: taking a block size is 2.5cm × 2.5cm, and thickness is the politef of 5mm
Plate, digs the through hole of one 2cm × 2cm therebetween, then is utilized respectively deionized water, dehydrated alcohol
Rinse polyfluortetraethylene plate 4 times, then dry at 60 DEG C, standby；
Step 4: weigh the TiO of 0.5g2Nano-particle, granular size is 20nm, and it is molten
Solution is in the dehydrated alcohol (purity >=99.7%) of 10mL, and sonic oscillation 30min, until TiO2
Dispersed in the solution.Take any one block of FTO glass in step 2, short at its conductive layer
Covering one layer of seamless adhesive tape on limit, width is 5mm, the TiO that will have configured2Nanoparticulate dispersion
In low speed 500 revs/min, 5s, 1500 revs/min at a high speed, 15s, it is spun on this FTO glass
On the conductive layer of glass, spin coating is torn after terminating seamless adhesive tape, is utilized by FTO glass good for spin coating
Tubular annealing stove sinters 30 minutes at 500 DEG C；
Step 5: polyfluortetraethylene plate binds the non-spin coating of preparation in step 2 TiO2Receive
On the conductive layer of the FTO glass of rice grain dispersion liquid, and in its through hole prepared by implantation step one
Product, then FTO spin-on-glass step 4 prepared has TiO2The one side of nano-particle towards
Through hole binds, and wherein polyfluortetraethylene plate is completely covered by FTO glass, two blocks of FTO glass it
Between long side direction stagger 5mm, broadside overlaps, and is packaged with epoxy resin.
The device that the present embodiment prepares, has fine electrochromic effect, it is possible to realize three
The obvious state of kind is transparent, minute surface, black (see Fig. 2).Wherein the coloring conversion time is only
Need 1～2s, the longer needs of fading time 1～2min, whole process is the most reversible, three states it
Between can arbitrarily change.
Embodiment 2
Step one: weigh the AgNO of 127.5mg (1mmol)3, the four of 1612mg (5mmol)
Butylammonium bromide (TBABr), the CuCl of 26mg (0.2mmol)2, it is dissolved in 20mL's
In DMSO, and carry out magnetic agitation until solution all dissolves；
Step 2: choose FTO glass that two block sizes are 5.5cm × 5cm as electrode, successively
Utilize deionized water and ethanol that it is soaked, and utilize supersonic cleaning machine to be carried out 5 times.
Dry at 80 DEG C after Xi Jinging, standby；
Step 3: taking a block size is 5cm × 5cm, and thickness is the polyfluortetraethylene plate of 5mm,
Dig the through hole of one 4.5cm × 4.5cm therebetween, then be utilized respectively deionized water, dehydrated alcohol
Rinse polyfluortetraethylene plate 4 times, then dry at 60 DEG C, standby；
Step 4: weigh the TiO of 1g2Nano-particle, granular size is 150nm, is dissolved
In the dehydrated alcohol (purity >=99.7%) of 20mL, sonic oscillation 30min, until TiO2
Dispersed take any one block of FTO glass in step 2 in the solution, short at its conductive layer
Covering one layer of seamless adhesive tape on limit, width is 5mm, the TiO that will have configured2Nanoparticulate dispersion
In low speed 400 revs/min, 5s, 1200 revs/min at a high speed, 10s, it is spun on this FTO glass
On glass conductive layer, spin coating is torn after terminating seamless adhesive tape, and FTO glass good for spin coating is utilized pipe
Formula annealing furnace sinters 30 minutes at 500 DEG C；
Step 5: polyfluortetraethylene plate binds the non-spin coating of preparation in step 2 TiO2Receive
On the conductive layer of the FTO glass of rice grain dispersion liquid, and in its through hole prepared by implantation step one
Product, then FTO spin-on-glass step 4 prepared has TiO2The one side of nano-particle towards
Through hole binds, and wherein polyfluortetraethylene plate is completely covered by transparent conductive substrate, two pieces of FTO glass
Between glass, the long side direction 5mm broadside that staggers overlaps, and is packaged with epoxy resin.
The device that the present embodiment prepares, has obvious electrochromic effect, it is possible to three
Kind state is transparent, change between minute surface, black.Wherein the coloring conversion time only needs
Want 3s, longer about the 3min that needs of fading time, whole process is the most reversible, three states it
Between can arbitrarily change.
Embodiment 3
Step one: weigh the AgNO of 255mg (2mmol)3, the four of 3224mg (10mmol)
Butylammonium bromide (TBABr), the CuCl of 52mg (0.4mmol)2, it is dissolved in 40mL's
In DMSO, and carry out magnetic agitation until solute all dissolves.
Step 2: choose FTO glass that two block sizes are 10.5cm × 10cm as electrode, depend on
Secondary utilize deionized water and ethanol that it is soaked, and utilize supersonic cleaning machine to be carried out 5
Secondary, dry at 80 DEG C after cleaning, standby；
Step 3: taking a block size is 10cm × 10cm, and thickness is the polyfluortetraethylene plate of 5mm,
Dig the through hole of one 9.5cm × 9.5cm therebetween, then be utilized respectively deionized water, dehydrated alcohol
Rinse polyfluortetraethylene plate then to dry at 60 DEG C for 4 times, standby；
Step 4: weigh the TiO of 1g2Nano-particle, granular size is 50nm, is dissolved
In the dehydrated alcohol (purity >=99.7%) of 20mL, sonic oscillation 30min, until TiO2
Dispersed take any one block of FTO glass in step 2 in the solution, short at its conductive layer
Covering one layer of seamless adhesive tape on limit, width is 5mm, the TiO that will have configured2Nanoparticulate dispersion
In low speed 200 revs/min, 5s, 1000 revs/min at a high speed, 10s, it is spun on this FTO glass
On the conductive layer of glass, spin coating is torn after terminating seamless adhesive tape, is utilized by FTO glass good for spin coating
Tubular annealing stove sinters 30 minutes at 500 DEG C；
Step 5: polyfluortetraethylene plate binds the non-spin coating of preparation in step 2 TiO2Receive
On the FTO glass conductive layer of rice grain dispersion liquid, and in through hole, inject described step one product,
FTO spin-on-glass step 4 prepared again has TiO2The one side of nanoparticulate dispersion is towards logical
Hole is binded, and wherein polyfluortetraethylene plate is completely covered by transparent conductive substrate, two blocks of FTO glass
Between the long side direction 5mm broadside that staggers overlap, and be packaged with epoxy resin.
The device that the present embodiment prepares, has significant electrochromic effect, it is possible to three
Kind state is transparent, change between minute surface, black.Wherein the coloring conversion time only needs
5～6s, fading time is longer, needs about 4min, and whole process is the most reversible, three states it
Between can arbitrarily change.
Embodiment 4
Step one: weigh the AgNO of 85mg (0.5mmol)3, the four of 806mg (2.5mmol)
Butylammonium bromide (TBABr), the CuCl of 13mg (0.1mmol)2, it is dissolved in 10mL's
In DMSO, and carry out magnetic agitation until solute all dissolves；
Step 2: choose FTO glass that two block sizes are 3cm × 2.5cm as electrode, successively
Utilize deionized water and ethanol that it is soaked, and utilize supersonic cleaning machine to be carried out 5 times,
Dry under washing 80 after Xi Jinging, standby；
Step 3: taking a block size is 2.5cm × 2.5cm, and thickness is the politef of 5mm
Plate, digs the through hole of one 2cm × 2cm therebetween, then is utilized respectively deionized water, dehydrated alcohol
Rinse polyfluortetraethylene plate 4 times, then dry at 60 DEG C, standby；
Step 4: weigh the ZnO nano granule of 0.5g, granular size is 50nm, and it is molten
Solution is in the dehydrated alcohol (purity >=99.7%) of 10mL, and sonic oscillation 40min, until ZnO
Nano-particle is dispersed in the solution.Take any one block of FTO glass in step 2, lead at it
Covering one layer of seamless adhesive tape on the minor face of electric layer, width is 5mm, the ZnO nano that will have configured
Grain dispersion liquid in low speed 500 revs/min, 5s, 1500 revs/min at a high speed, 15s, be spun on
On the conductive layer of this FTO glass, spin coating is torn after terminating seamless adhesive tape, the FTO good by spin coating
Glass utilizes tubular annealing stove to sinter 60 minutes at 450 DEG C；
Step 5: polyfluortetraethylene plate binds the non-spin coating of preparation in step 2 has ZnO to receive
On the FTO glass conductive layer of rice grain dispersion liquid, and implantation step one preparation in its through hole
Product, then FTO spin-on-glass step 4 prepared has the one side of ZnO nano granule towards logical
Hole is binded, and wherein polyfluortetraethylene plate is completely covered by FTO glass, between two blocks of FTO glass
Long side direction staggers 5mm, and broadside overlaps, and is packaged with epoxy resin.
The device that the present embodiment prepares, has fine electrochromic effect, it is possible to realize three
The obvious state of kind is transparent, minute surface, black.Wherein the coloring conversion time has only to 1～2s,
The longer needs of fading time 1～2min, whole process is the most reversible, can be random between three states
Conversion.
Embodiment 5
Step one: weigh the AgNO of 85mg (0.5mmol)3, the four of 806mg (2.5mmol)
Butylammonium bromide (TBABr), the CuCl of 13mg (0.1mmol)2, it is dissolved in 10mL's
In DMSO, and carry out magnetic agitation until solute all dissolves；
Step 2: choose AZO glass that two block sizes are 3cm × 2.5cm as electrode, successively
Utilize deionized water and ethanol that it is soaked, and utilize supersonic cleaning machine to be carried out 5 times,
Dry under washing 80 after Xi Jinging, standby；
Step 3: taking a block size is 2.5cm × 2.5cm, and thickness is the politef of 5mm
Plate, digs the through hole of one 2cm × 2cm therebetween, then is utilized respectively deionized water, dehydrated alcohol
Rinse polyfluortetraethylene plate 4 times, then dry at 60 DEG C, standby；
Step 4: weigh the TiO of 0.5g2Nano-particle, granular size is 20nm, and it is molten
Solution is in the dehydrated alcohol (purity >=99.7%) of 10mL, and sonic oscillation 30min, until TiO2
Dispersed in the solution.Take any one block of AZO glass in step 2, short at its conductive layer
Covering one layer of seamless adhesive tape on limit, width is 5mm, the TiO that will have configured2Nanoparticulate dispersion
In low speed 500 revs/min, 5s, 1500 revs/min at a high speed, 15s, it is spun on this AZO glass
On the conductive layer of glass, spin coating is torn after terminating seamless adhesive tape, is utilized by AZO glass good for spin coating
Tubular annealing stove sinters 30 minutes at 400 DEG C；
Step 5: polyfluortetraethylene plate binds the non-spin coating of preparation in step 2 TiO2Receive
On the conductive layer of the AZO glass of rice grain dispersion liquid, and in its through hole prepared by implantation step one
Product, then AZO spin-on-glass step 4 prepared has TiO2The one side of nano-particle towards
Through hole binds, and wherein polyfluortetraethylene plate is completely covered by AZO glass, two blocks of AZO glass it
Between long side direction stagger 5mm, broadside overlaps, and is packaged with epoxy resin.
The device that the present embodiment prepares, has fine electrochromic effect, it is possible to realize three
The obvious state of kind is transparent, minute surface, black (see Fig. 2).Wherein the coloring conversion time is only
Need 2～3s, the longer needs of fading time 1～2min, whole process is the most reversible, three states it
Between can arbitrarily change.
Claims (7)
1. the preparation method of a polymorphic electrochromic device, it is characterised in that comprise the steps:
Step one: weigh the AgNO of 0.1～2.5mmol3, 0.5～the quaternary ammonium bromide of 12.5mmol
Salt, 0.1～0.5mmol mantoquita, be dissolved in the polar organic solvent of 10～50mL, go forward side by side
Row magnetic agitation is until solute all dissolves；
Step 2: select the transparent conductive substrate 2 of 2.0cm × 1.5cm～25.5 × 25cm,
Utilize 2 transparent conductive substrate described in deionized water and soak with ethanol successively, and in ultrasonic cleaning
Machine cleans 3～7 times, dries under conditions of 60～100 DEG C after washes clean, standby；
Step 3: cutting width is consistent with the width of transparent conductive substrate, and length compares electrically conducting transparent
The length short 3～7mm of substrate, thickness is the polyfluortetraethylene plate of 0.3～0.7mm, under cutting
A square through hole, through hole and corresponding politef is dug in the middle of the polyfluortetraethylene plate come
Between edges of boards edge, width is 3～7mm, be utilized respectively deionized water and dehydrated alcohol rinse this poly-four
Fluorothene plate 3～5 times, dry after cleaning at 50～70 DEG C；
Step 4: the TiO that compound concentration is 0.01～0.1g/mL, granular size is 5～500nm2
Nanoparticulate dispersion, by it in rotating speed 200～2000 revs/min, the time 3～20s is spun on
On any one piece of transparent conductive substrate conductive layer in step 2, be wherein spun on before spin coating is saturating
Need on the minor face of bright substrate conduction layer to cover a slice width degree be 3～5mm, length identical with minor face
Seamless adhesive tape, spin coating needs seamless adhesive tape of tearing, then moves back in tubular type at 200～700 DEG C after terminating
Stove sinters 20～60 minutes；
Step 5: polyfluortetraethylene plate bonding step 3 prepared is prepared in described step 2
Non-spin coating has TiO2On the conductive layer of the transparent conductive substrate of nanoparticulate dispersion, to its through hole
In pour described step one product into, then prepared by described step 4 the conductor planes of transparent substrates to
Through hole binds, and wherein two pieces of substrate long side directions, the 3～7mm polyfluortetraethylene plates that stagger are led by transparent
Electricity substrate is completely covered, and is packaged with epoxy resin the most again；
TiO in described step 42The spin coating mode of nanoparticulate dispersion is: the first slow-speed of revolution
Rotate under 200～600 revs/min under 3～8s, higher rotating speed 1000～2000 revs/min and rotate
10～20s.
The preparation method of a kind of polymorphic electrochromic device the most as claimed in claim 1, it is characterised in that:
Quaternary ammonium bromide in described step one be cetab, tetrabutyl ammonium bromide,
Any in tetramethylammonium bromide, tetraethyl-ammonium bromide, ammonium bromide, Dodecyl trimethyl ammonium chloride
A kind of.
The preparation method of a kind of polymorphic electrochromic device the most as claimed in claim 1, it is characterised in that:
Mantoquita in described step one is any one in copper nitrate, copper chloride, copper sulfate.
The preparation method of a kind of polymorphic electrochromic device the most as claimed in claim 1, it is characterised in that:
Polar organic solvent in described step one is Methanamide, dimethyl sulfoxide (DMSO), dimethyl
Any one in Methanamide (DMF), dimethyl acetylamide (DMAC), hexamethyl phosphoramide.
The preparation method of a kind of polymorphic electrochromic device the most as claimed in claim 1, it is characterised in that:
Transparent conductive substrate in described step 2 is for scribbling In2O3:Sn(ITO)、In2O3:Zn(IZO)、
In2O3:Nb、ZnO:Al(AZO)、ZnO:Ga(GZO)、ZnO:In(IZO)、ZnO:Si(SZO)、
ZnO:B(BZO)、ZnO:F(FZO)、ZnO:Nb、ZnO:Sc、SnO2:F(FTO)、SnO2:Sb
(ATO)、SnO2: Ta or SnO2: the glass of W codope oxide or flexible substrate.
The preparation method of a kind of polymorphic electrochromic device the most as claimed in claim 5, it is characterised in that:
Described scribble codope oxide flexible substrate be polyethylene terephthalate (PET),
Merlon (PC), polyether sulfone (PES), polyvinylidene fluoride (PVDF), polyvinyl fluoride are compound
Film (TPT), PEN (PEN).
The preparation method of a kind of polymorphic electrochromic device the most as claimed in claim 1, it is characterised in that:
In described step 4, prepare TiO2The dispersant that nanoparticulate dispersion is used is that hydrophilic is molten
Agent or liphophilic solvents, wherein hydrophilic solvent is water, ethanol, ethylene glycol, liphophilic solvents
For dimethylbenzene, diethylene glycol dibenzoate.
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| JP5403506B2 (en) * | 2009-01-30 | 2014-01-29 | 国立大学法人 千葉大学 | Display element, optical shutter using the same, and display element device |
| CN101726956B (en) * | 2009-11-18 | 2011-12-28 | 华东师范大学 | Novel unit module for solar-powered self-driven electronic paper apparatus and method for preparing same |
| CN103744246B (en) * | 2014-01-01 | 2017-02-15 | 电子科技大学 | Mirror reflection type electrochromic device and preparation method thereof |
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2014
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