CN105883906A - Nano stannic oxide-graphene composite as well as preparation method and application thereof - Google Patents
Nano stannic oxide-graphene composite as well as preparation method and application thereof Download PDFInfo
- Publication number
- CN105883906A CN105883906A CN201610220465.7A CN201610220465A CN105883906A CN 105883906 A CN105883906 A CN 105883906A CN 201610220465 A CN201610220465 A CN 201610220465A CN 105883906 A CN105883906 A CN 105883906A
- Authority
- CN
- China
- Prior art keywords
- aqueous solution
- preparation
- graphene
- nano
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G19/00—Compounds of tin
- C01G19/02—Oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C01P2004/16—Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
Abstract
The invention relates to a nano stannic oxide-graphene composite as well as a preparation method and an application thereof. Firstly, a SnCl4*5H2O solution is added to a graphene oxide aqueous solution and stirred, graphene oxide sheets adsorb Sn<4+>,the graphene oxide sheets adsorbing Sn<4+> are dissolved in deionized water and subjected to ultrasonic treatment after being separated, and an obtained dispersing solution is used as a seed crystal adsorbing solution; a SnCl4*5H2O aqueous solution, a NaOH aqueous solution and a surfactant aqueous solution are prepared respectively; the seed crystal adsorbing solution and the SnCl4*5H2O aqueous solution are mixed, then the NaOH aqueous solution and the surfactant aqueous solution are dropwise added to the solution sequentially, the mixture is stirred, mixed evenly and ultrasonically and then transferred to a closed reaction kettle to be subjected to a hydrothermal reaction, and the nano stannic oxide-graphene composite is obtained after natural cooling, centrifugation, washing and drying. The nano stannic oxide-graphene composite is applied to specific response to ammonia gas under the room temperature condition. Compared with the prior art, the composite has the advantages that the synthesis method is simple and easy to implement, and the shape of a product is controlled.
Description
Technical field
The invention belongs to technical field of inorganic nanometer material, especially relate to a kind of nano-stannic oxide and Graphene
Composite and preparation method and application.
Background technology
The fast development of modern society, the continuous propelling of Process of Urbanization Construction, environmental pollution becomes people and faces
One of hang-up.All kinds of problem of environmental pollutions occurred in the whole world, wherein gaseous contamination seems outstanding to the injury of the mankind
For seriously.Air quality is the most up to standard, and annual a lot of people die of gas poisoning, gas explosion etc. contingency.Pass
The detection method to toxic and harmful of uniting has infrared absorption method, electrochemical methods etc., and these methods often detect
Speed is slow, equipment is complicated, cost is high.The introducing of sensor, i.e. is converted to can use by some physicochemical change
Signal exports, thus reaches the purpose detected real-time.Therefore, design have fast response time, highly sensitive,
The gas sensor of good stability is that related scientific research worker provides new power.
Metal-oxide semiconductor (MOS) gas sensor owing to it is highly sensitive, the response time is short, with low cost, easy
Wait excellent properties in integrated, be the class gas detection technology being most widely used at present.In oxide, with SnO2
The more maturation of research, but the SnO not mixed2Sensitivity and selectivity are the most relatively low, and this material typically exists
Could obtain preferably response at a temperature of higher than 200 DEG C, the concentration of detection gas is to its response recovery time also
Have a certain impact.
The superior chemical property of Graphene can largely reduce after making itself and semiconductor tin ash compound
The self-resistance value of semi-conducting material so that it is can work under cryogenic.Meanwhile, the specific surface area of its super large
And each of which carbon atom can be regarded as and be exposed to outer and gas interaction of molecules.These character determine by
After Graphene is compound with semi-conducting material, the mesh that at cryogenic conditions, object gas is had response very well can be reached
's.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of nanometer titanium dioxide is provided
Tin and graphene composite material and preparation method and application.Preparation method of the present invention is through simple seed-solution
After immersion, direct hydrothermal synthesis can carry SnO on graphene sheet layer again2Nanometer rods.This composite is at room temperature bar
Under part, ammonia is had specificly-response function.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of nano-stannic oxide and the preparation method of graphene composite material, comprise the following steps:
(1) preparation of crystal seed adsorption liquid: first add in graphene oxide water solution (the GO aqueous solution)
SnCl4·5H2O solution, stirring so that graphene oxide lamella absorption Sn4+, Sn will be adsorbed with4+Graphite oxide
After alkene lamella separates, being dissolved in deionized water and ultrasonic, gained dispersion liquid is as crystal seed adsorption liquid；
(2) preparation of growth-promoting media: prepare SnCl respectively4·5H2O, NaOH and the aqueous solution of surfactant；
(3) hydro-thermal reaction: first by crystal seed adsorption liquid and SnCl4·5H2The O aqueous solution mixes, more successively to above-mentioned molten
Liquid drips the NaOH aqueous solution and aqueous surfactant solution, transfer to after stirring ultrasonic mixing airtight instead
Answer and still carries out hydro-thermal reaction, be naturally centrifuged after cooling, wash, be dried to obtain nano-stannic oxide with Graphene again
Condensation material.
In step (1), SnCl4·5H2After O solution adds graphene oxide water solution, Sn4+Concentration be 0.005～
0.2mol/L, the concentration of graphene oxide is 0.2-1.4mg/ml.
In the crystal seed adsorption liquid of the last gained of step (1), the concentration of graphene oxide is 0.5～2mg/ml, Sn4+
Concentration be 0.005～0.2mol/L.Preferably, the concentration of graphene oxide is 2mg/ml, Sn4+Concentration is
0.005mol/L。
In step (1), the time of stirring is 6-18 hour, preferably 12 hours.
In step (1), the ultrasonic time is 10-30min, preferably 15min.
The SnCl of preparation in step (2)4·5H2SnCl in the O aqueous solution4·5H2The concentration of O is 0.05～0.1mol/L；
The concentration of the NaOH aqueous solution of preparation meets in step (2): NaOH and as growth-promoting media
SnCl4·5H2SnCl in the O aqueous solution4·5H2The mol ratio of O is 10:1～20:1；
In step (2), the concentration of the aqueous surfactant solution of preparation meets: described surfactant and conduct
The SnCl of growth-promoting media4·5H2SnCl in the O aqueous solution4·5H2The mol ratio of O is 3:1～10:1.
Described surfactant is lauryl sodium sulfate (SDS).
Before step (3) carries out hydro-thermal reaction, crystal seed adsorption liquid, SnCl4·5H2The O aqueous solution, the NaOH aqueous solution
And volume ratio is 1:1:1:1 during aqueous surfactant solution mixing.
Sn4+First in alkaline environment, hydrolyze to form [Sn (OH)4]2-, along with the addition [Sn (OH) of NaOH4]2-With many
Remaining OH-Continue reaction and generate [Sn (OH)6]2-, the aqueous surfactant solution continuously added after stirring can
Control SnO2The direction of growth of nanometer rods.
The temperature of the hydro-thermal reaction described in step (3) is 120 DEG C～200 DEG C, and the time of hydro-thermal reaction is 10～25h.
Adjusting hydrothermal reaction temperature can synthesize different nano-stannic oxides and graphene composite material from the time.
A kind of nano-stannic oxide using above-mentioned preparation method to prepare and graphene composite material, this composite letter
It is written as SnO2-RGO composite, is that nanometer tin dioxide rod is grown in the substrate of Graphene.
Ammonia is specifically rung under room temperature condition by described nano-stannic oxide with graphene composite material
Should.
Gas molecule and sensitive material effect generally go through three processes: gas absorption, electric charge shifts, and gas takes off
Attached.Nanometer tin dioxide rod is grown in the substrate of Graphene.Based on SnO2The sensitive material of-RGO is in room temperature
Under ammonia is had superior sensing capabilities, be mainly due to the introducing of Graphene.The specific surface area that Graphene is big carries
Supply more avtive spot with the oxygen molecule in absorption air, be ionized intoO-And O2-.Work as oxidative ionic
After running into the ammonia of reproducibility and interacting therewith, unnecessary electronics can be released back into the electronics of sensitive material again
Consumption layer, carrier concentration increases, and electrical conductivity increases, and resistance reduces.Additionally, titanium dioxide sijna in material structure
The random staggered growth line of rice rod forms poroid network structure on the graphene-based end.This network structure can be favourable
In the absorption of object gas, and can temporarily by the ammonia molecular recording of absorption in network structure with oxygen ion
Adsorbate fully acts on.
Compared with prior art, the present invention has the following advantages and beneficial effect:
1, present invention achieves and utilize graphene oxide solution (GO) and SnCl4·5H2O as presoma, and
Add surfactant (SDS) and carry out Morphological control, by hydro-thermal method, synthesize one-dimensional bar-shaped tin ash,
And be grown on graphene nano material, obtain nano-stannic oxide and graphene composite material.
2, the method for the present invention has controllability to the pattern of product in building-up process, mainly by anti-to hydro-thermal
The temperature answered regulated and controled with the reaction time.
3, sending out of the present invention mixes a step hydro-thermal by simple crystal seed adsorption liquid with growth-promoting media after method is only soaked
Synthetic sample, synthesis step is few, and method of operating is simple.
4, ammonia can be had at ambient temperature by product prepared by the present invention as the gas sensitive of air-sensitive original paper
Have specific response, it is possible at room temperature detect the ammonia of extremely low concentration, have more vast potential for future development and
Actual application space.
Accompanying drawing explanation
Fig. 1 is the SEM photograph of the product that embodiment 1 products therefrom obtains under the multiple of 1um.
Fig. 2 is the SEM photograph of the product that embodiment 2 products therefrom obtains under the multiple of 1um.
Fig. 3 is the SEM photograph of the product that embodiment 3 products therefrom obtains under the multiple of 1um.
Fig. 4 is X-ray diffraction (XRD) collection of illustrative plates of embodiment 1 products therefrom.
Fig. 5 be embodiment 1 products therefrom at ambient temperature, to gas with various concentration gases response and sensitive
Graph of a relation between degree.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Ammonia can there be nano-stannic oxide and the graphene composite material of specificly-response under a kind of room temperature condition
Preparation method, specifically comprise the following steps that
(1) crystal seed absorption: take the 20ml GO aqueous solution (2mg/ml) and add 10ml H2In O 30ml solution altogether
Ultrasonic disperse 30min.Assay balance claims a certain amount of SnCl4·5H2O, adds in the ultrasonic good GO aqueous solution,
Make Sn4+Concentration is 0.005mol/L.It is placed on magnetic stirring apparatus, is sufficiently stirred for 12h and makes GO lamella table
Face absorption Sn4+Produce avtive spot.The solid obtained after repeating stirring, respectively with deionized water and ethanol purge two
Time, remove unnecessary ion.The solid 10ml distilled water obtained after cleaning dissolves, and ultrasonic 15min obtains
The uniform dispersion liquid of brown, standby as crystal seed adsorption liquid.
(2) water-heat process: assay balance weighs a certain amount of SnCl4, NaOH, SDS, respectively add 10ml
It is 0.05M SnCl that deionized water dissolving is made into concentration4·5H2O, 1M NaOH, 0.015M SDS solution.Stir
The 10ml crystal seed adsorption liquid first step prepared under the conditions of mixing (is adsorbed with Sn4+GO dispersion liquid) join
SnCl4·5H2In the O aqueous solution.Under stirring condition, the 10mlNaOH solution prepared is added dropwise over above-mentioned
SnCl4·5H2In the aqueous solution of O mixing GO.Stir, finally the SDS aqueous solution of 10ml is dropwise added
Enter in above-mentioned mixed solution.After continuation stirring 15min makes solution be sufficiently mixed uniformly, transfer to 50ml's
In polytetrafluoroethylene (PTFE) closed reactor.React 20h under the conditions of being placed in 200 DEG C, use respectively after taking out nature cooling
Deionized water and ethanol purge three times, remove unnecessary ion.It is placed in the vacuum drying chamber of 60 DEG C and is dried 2h
Rear taking-up is standby.
The SEM photograph of the present embodiment gained nano-stannic oxide and graphene composite material is as shown in Figure 1.By scheming
1 is visible, under a scanning electron microscope SnO2Nanometer rods is staggered at random to be grown at graphene-based the end, and in
Existing acicular texture, forms cross-linked structure.Can be according to a preliminary estimate by the scale of electromicroscopic photograph: SnO2Nanometer
Rod size and diameter are homogeneous, and its diameter is about 10nm, and length is about 60-70nm.
X-ray diffraction (XRD) collection of illustrative plates of the present embodiment gained nano-stannic oxide and graphene composite material is such as
Shown in Fig. 4, by the most right for all of peak after the peak that occurs in Fig. 4 and standard PDF card (NO.41-1445) comparison
Answer the SnO of rutile state2, and peak type is obvious, and illustrate directly to pass through water-heat process, to get final product synthetic crystallization degree higher
SnO2Nanometer rods, and disappear at 10 ° of all of graphene oxide peaks.Meanwhile, compared to pure SnO2
Its half-peak breadth broadens, and peak height reduces.Half-peak breadth the widest explanation crystal grain is the least, so half-peak breadth broadens, superficial growth exists
SnO on Graphene2Its crystal radius of nanometer rods diminishes.Peak height step-down be then compound with material with carbon element after, cause it
Intensity reduces.
The present embodiment gained nano-stannic oxide and graphene composite material at ambient temperature, to gas with various concentration
Shown in graph of a relation 5 between gas response and sensitivity.From fig. 5, it can be seen that along with the increase of gas concentration
The sensitivity of material is also gradually increased, and therefore the concentration of ammonia gas is had well by this material at ambient temperature
Discrimination.Vignette is the material response curve at 10-100ppm.As seen from Figure 5, it is 20ppm at ammonia concentration
The responsiveness of material also has 1.006.
Embodiment 2
Under a kind of room temperature condition, ammonia is had the nano-stannic oxide of specificly-response and the system of graphene composite material
Preparation Method, specifically comprises the following steps that
(1) crystal seed absorption: graphene oxide (GO) aqueous solution, measure respectively containing different GO mass (5mg,
10mg, 20mg) the GO aqueous solution (2mg/ml) adds 20ml H2O ultrasonic disperse 30min.Assay balance claims one
Quantitative SnCl4·5H2O, adds in the ultrasonic good different volumes GO aqueous solution so that Sn4+Concentration is 0.005
mol/L.It is placed on magnetic stirring apparatus, is sufficiently stirred for 12h and makes GO sheet surfaces adsorb Sn4+Produce active sites
Point.Repeat the solid that obtains after stirring, respectively with deionized water and ethanol purge twice, remove unnecessary ion.
The solid 10ml distilled water obtained after cleaning dissolves, and ultrasonic 15min obtains the uniform dispersion liquid of brown,
Standby as crystal seed adsorption liquid.
(2) water-heat process: assay balance weighs a certain amount of SnCl4, NaOH, SDS, respectively add 10ml go from
It is 0.05MSnCl that the dissolving of sub-water is made into concentration4·5H2O, 1M NaOH, 0.015M SDS solution.Stirring bar
Under part, the 10ml that the first step prepares is adsorbed with Sn4+GO dispersion liquid be added separately to SnCl4·5H2O is water-soluble
In liquid.Under stirring condition, the NaOH solution prepared is added dropwise over above-mentioned SnCl4·5H2O mixing GO's is water-soluble
In liquid.Continue after stirring to be added dropwise in above-mentioned mixed solution the SDS aqueous solution of 10ml.Continue
After stirring 15min makes solution be sufficiently mixed uniformly, transfer in the polytetrafluoroethylene (PTFE) closed reactor of 50ml.
Deionized water and ethanol purge three is used respectively after taking out nature cooling after being placed in the baking oven of 200 DEG C reaction 20h
Time, remove unnecessary ion.Take out standby after being placed in the vacuum drying chamber of 60 DEG C dry 2h.
The nano-stannic oxide of the present embodiment difference GO ratio synthesis is with the SEM photograph of graphene composite material such as
Shown in Fig. 2.Fig. 2 (a-c) correspondence respectively is 5mg, 10mg, 20mg for Graphene addition.At graphite
When alkene addition is less, the whole graphene-based end, is wrapped up by tin ash.Along with the increase of Graphene addition,
Then can significantly find out the substrate of Graphene such as Fig. 2 (c) when the amount of Graphene increases to 20mg.
Embodiment 3
Under a kind of room temperature condition, ammonia is had the nano-stannic oxide of specificly-response and the system of graphene composite material
Preparation Method, specifically comprises the following steps that
(1) crystal seed absorption: graphene oxide (GO) aqueous solution, takes the 20ml GO aqueous solution (2mg/ml) and adds
20ml H2O ultrasonic disperse 30min.Assay balance claims a certain amount of SnCl4·5H2O adds ultrasonic good GO
In the aqueous solution so that Sn4+Concentration is 0.005mol/L.It is placed on magnetic stirring apparatus, is sufficiently stirred for 12h and makes
GO sheet surfaces absorption Sn4+Produce avtive spot.Repeat the solid that obtains after stirring, respectively by deionized water and
Ethanol purge twice, removes unnecessary ion.The solid 10ml distilled water obtained after cleaning dissolves, ultrasonic
15min obtains the uniform dispersion liquid of brown, standby as crystal seed adsorption liquid.
(2) water-heat process: assay balance weighs a certain amount of SnCl4, NaOH, SDS, respectively add 10ml go from
It is 0.05MSnCl that the dissolving of sub-water is made into concentration4·5H2O, 1M NaOH, 0.015M SDS solution.Stirring bar
Under part, the 10ml that the first step prepares is adsorbed with Sn4+GO dispersion liquid join SnCl4·5H2In the O aqueous solution.
Under stirring condition, the NaOH solution prepared is added dropwise over above-mentioned SnCl4·5H2In the aqueous solution of O mixing GO.
Continue after stirring to be added dropwise in above-mentioned mixed solution the SDS aqueous solution of 10ml.Continue stirring 15
After min makes solution be sufficiently mixed uniformly, transfer in the polytetrafluoroethylene (PTFE) closed reactor of 50ml.It is placed in 200 DEG C
Baking oven in react (10h, 15h, 20h, 25h) takes out afterwards nature cooling after respectively use deionized water and ethanol
Clean three times, remove unnecessary ion.Take out standby after being placed in the vacuum drying chamber of 60 DEG C dry 2h.
The present embodiment is gained nano-stannic oxide and the SEM of graphene composite material under different hydrothermal reaction conditions
Photo is as it is shown on figure 3, in Fig. 3, a, b, c, d represent that the reaction time is 10h, 15h, 20h, 25h respectively
Situation, be grown in the SnO on Graphene top layer as seen from Figure 32Nanometer rods is along with the lengthening of growth time, growth
Dense degree also strengthen.From Fig. 3 (a-b) when growth time is shorter, here it is apparent that the lamella of Graphene
Structure.And along with the lengthening of growth time, more SnO2Nanorod growth, in substrate, forms more net
Shape pore passage structure.After growth time reaches 25h, the graphene-based end, is almost wrapped up by nanometer rods.Meanwhile,
SnO2The radius of nanometer rods also attenuates.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use to send out
Bright.These embodiments obviously easily can be made various amendment by person skilled in the art, and at this
The General Principle illustrated is applied in other embodiments without through performing creative labour.Therefore, the present invention does not limits
In above-described embodiment, those skilled in the art are according to the announcement of the present invention, without departing from changing that scope is made
Entering and revise all should be within protection scope of the present invention.
Claims (10)
1. a nano-stannic oxide and the preparation method of graphene composite material, it is characterised in that include following
Step:
(1) preparation of crystal seed adsorption liquid: first add SnCl in graphene oxide water solution4·5H2O solution,
Stirring so that graphene oxide lamella absorption Sn4+, Sn will be adsorbed with4+Graphene oxide lamella separate after, molten
In deionized water and ultrasonic, gained dispersion liquid is as crystal seed adsorption liquid；
(2) preparation of growth-promoting media: prepare SnCl respectively4·5H2O, NaOH and the aqueous solution of surfactant；
(3) hydro-thermal reaction: first by crystal seed adsorption liquid and SnCl4·5H2The O aqueous solution mixes, more successively to above-mentioned molten
Liquid drips the NaOH aqueous solution and aqueous surfactant solution, transfer to after stirring ultrasonic mixing airtight instead
Answer and still carries out hydro-thermal reaction, be naturally centrifuged after cooling, wash, be dried to obtain nano-stannic oxide with Graphene again
Condensation material.
A kind of nano-stannic oxide the most according to claim 1 and the preparation method of graphene composite material,
It is characterized in that, in step (1), SnCl4·5H2After O solution adds graphene oxide water solution, Sn4+Dense
Degree is 0.005～0.2mol/L, and the concentration of graphene oxide is 0.2-1.4mg/ml.
A kind of nano-stannic oxide the most according to claim 1 and the preparation method of graphene composite material,
It is characterized in that, in the crystal seed adsorption liquid described in step (1), the concentration of graphene oxide is 0.5～2mg/ml,
Sn4+Concentration be 0.005～0.2mol/L.
A kind of nano-stannic oxide the most according to claim 1 and the preparation method of graphene composite material,
It is characterized in that, in step (1), the time of stirring is 6-18 hour；In step (1), the ultrasonic time
For 10-30min.
A kind of nano-stannic oxide the most according to claim 1 and the preparation method of graphene composite material,
It is characterized in that, the SnCl of preparation in step (2)4·5H2SnCl in the O aqueous solution4·5H2The concentration of O is 0.05～0.1
mol/L；
The concentration of the NaOH aqueous solution of preparation meets in step (2): NaOH and as growth-promoting media
SnCl4·5H2SnCl in the O aqueous solution45H2The mol ratio of O is 10:1～20:1；
In step (2), the concentration of the aqueous surfactant solution of preparation meets: described surfactant and conduct
The SnCl of growth-promoting media4·5H2SnCl in the O aqueous solution4·5H2The mol ratio of O is 3:1～10:1.
A kind of nano-stannic oxide the most according to claim 1 and the preparation method of graphene composite material,
It is characterized in that, described surfactant is lauryl sodium sulfate.
A kind of nano-stannic oxide the most according to claim 1 and the preparation method of graphene composite material,
It is characterized in that, before step (3) carries out hydro-thermal reaction, crystal seed adsorption liquid, SnCl4·5H2The O aqueous solution, NaOH
When the aqueous solution and aqueous surfactant solution mixing, volume ratio is 1:1:1:1.
A kind of nano-stannic oxide the most according to claim 1 and the preparation method of graphene composite material,
It is characterized in that, the temperature of the hydro-thermal reaction described in step (3) is 120 DEG C～200 DEG C, the time of hydro-thermal reaction
It is 10～25h.
9. the preparation method used according to any one of claim 1-8 prepares nano-stannic oxide and stone
Ink alkene composite.
10. nano-stannic oxide as claimed in claim 9 and an application for graphene composite material, its feature
Being, ammonia is specifically rung under room temperature condition by described nano-stannic oxide with graphene composite material
Should.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220465.7A CN105883906B (en) | 2016-04-11 | 2016-04-11 | A kind of nano-stannic oxide and graphene composite material and preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220465.7A CN105883906B (en) | 2016-04-11 | 2016-04-11 | A kind of nano-stannic oxide and graphene composite material and preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105883906A true CN105883906A (en) | 2016-08-24 |
| CN105883906B CN105883906B (en) | 2017-12-05 |
Family
ID=57012282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610220465.7A Expired - Fee Related CN105883906B (en) | 2016-04-11 | 2016-04-11 | A kind of nano-stannic oxide and graphene composite material and preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105883906B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532014A (en) * | 2016-12-26 | 2017-03-22 | 天津大学 | Method for preparing composite material that stannic oxide nano-particles attach to graphene oxide |
| CN107941881A (en) * | 2017-11-24 | 2018-04-20 | 海南师范大学 | Myoglobins electrochemica biological sensor based on three-dimensional grapheme modified electrode prepares and its Study of electrocatalysis |
| CN108069460A (en) * | 2017-12-12 | 2018-05-25 | 陕西科技大学 | A kind of preparation method of rodlike stannic oxide/Barium ferrite composite material |
| CN108091844A (en) * | 2017-12-11 | 2018-05-29 | 合肥国轩电池材料有限公司 | A kind of composite cathode material of lithium ion battery stannic oxide/graphene and preparation method thereof |
| CN108630911A (en) * | 2018-03-02 | 2018-10-09 | 杭州电子科技大学 | A kind of SnO of oxygen-containing vacancy defect2Graphene nanocomposite material and application in room temperature sodium-ion battery cathode |
| CN108807962A (en) * | 2018-07-31 | 2018-11-13 | 澳洋集团有限公司 | A kind of preparation method of stannic oxide-graphene negative material |
| CN109342523A (en) * | 2018-10-16 | 2019-02-15 | 吉林大学 | Based on the resistor-type NO for being rich in the grapheme modified composite material of Lacking oxygen stannic oxide2Sensor, preparation method and applications |
| CN110498405A (en) * | 2019-08-21 | 2019-11-26 | 南京倍格电子科技有限公司 | A kind of graphene/tin oxide composite air-sensitive material and preparation method thereof |
| CN111170357A (en) * | 2020-01-13 | 2020-05-19 | 云南大学 | SnO sensitive to formaldehyde gas2Preparation and application of nanorod array/reduced graphene oxide composite nanomaterial |
| CN111229198A (en) * | 2020-03-02 | 2020-06-05 | 陕西科技大学 | Amorphous/crystalline structure SnO2Preparation method of @ GO heterojunction composite material and photocatalytic application thereof |
| CN113758975A (en) * | 2021-09-10 | 2021-12-07 | 华东师范大学 | Laser-induced graphene/metal oxide sensitive material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718250A (en) * | 2012-07-03 | 2012-10-10 | 重庆大学 | Method for preparing carbon-material-carrying tin dioxide nanosheet composite material |
| CN103112846A (en) * | 2013-02-06 | 2013-05-22 | 华中科技大学 | Preparation method of graphene-carbon nanotube-nano tin dioxide three-dimensional composite material and product thereof |
-
2016
- 2016-04-11 CN CN201610220465.7A patent/CN105883906B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718250A (en) * | 2012-07-03 | 2012-10-10 | 重庆大学 | Method for preparing carbon-material-carrying tin dioxide nanosheet composite material |
| CN103112846A (en) * | 2013-02-06 | 2013-05-22 | 华中科技大学 | Preparation method of graphene-carbon nanotube-nano tin dioxide three-dimensional composite material and product thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张震宇: ""石墨烯及其它基底上二氧化锡纳米棒阵列的生长、性能及器件"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532014A (en) * | 2016-12-26 | 2017-03-22 | 天津大学 | Method for preparing composite material that stannic oxide nano-particles attach to graphene oxide |
| CN107941881A (en) * | 2017-11-24 | 2018-04-20 | 海南师范大学 | Myoglobins electrochemica biological sensor based on three-dimensional grapheme modified electrode prepares and its Study of electrocatalysis |
| CN108091844A (en) * | 2017-12-11 | 2018-05-29 | 合肥国轩电池材料有限公司 | A kind of composite cathode material of lithium ion battery stannic oxide/graphene and preparation method thereof |
| CN108069460A (en) * | 2017-12-12 | 2018-05-25 | 陕西科技大学 | A kind of preparation method of rodlike stannic oxide/Barium ferrite composite material |
| CN108630911A (en) * | 2018-03-02 | 2018-10-09 | 杭州电子科技大学 | A kind of SnO of oxygen-containing vacancy defect2Graphene nanocomposite material and application in room temperature sodium-ion battery cathode |
| CN108807962A (en) * | 2018-07-31 | 2018-11-13 | 澳洋集团有限公司 | A kind of preparation method of stannic oxide-graphene negative material |
| CN109342523A (en) * | 2018-10-16 | 2019-02-15 | 吉林大学 | Based on the resistor-type NO for being rich in the grapheme modified composite material of Lacking oxygen stannic oxide2Sensor, preparation method and applications |
| CN110498405A (en) * | 2019-08-21 | 2019-11-26 | 南京倍格电子科技有限公司 | A kind of graphene/tin oxide composite air-sensitive material and preparation method thereof |
| CN111170357A (en) * | 2020-01-13 | 2020-05-19 | 云南大学 | SnO sensitive to formaldehyde gas2Preparation and application of nanorod array/reduced graphene oxide composite nanomaterial |
| CN111229198A (en) * | 2020-03-02 | 2020-06-05 | 陕西科技大学 | Amorphous/crystalline structure SnO2Preparation method of @ GO heterojunction composite material and photocatalytic application thereof |
| CN113758975A (en) * | 2021-09-10 | 2021-12-07 | 华东师范大学 | Laser-induced graphene/metal oxide sensitive material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105883906B (en) | 2017-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105883906A (en) | Nano stannic oxide-graphene composite as well as preparation method and application thereof | |
| Li et al. | Fast detection of NO2 by porous SnO2 nanotoast sensor at low temperature | |
| Che et al. | Construction of SrTiO3/Bi2O3 heterojunction towards to improved separation efficiency of charge carriers and photocatalytic activity under visible light | |
| Zhang et al. | SnO2 nanoparticles-reduced graphene oxide nanocomposites for NO2 sensing at low operating temperature | |
| Han et al. | Improving humidity selectivity in formaldehyde gas sensing by a two-sensor array made of Ga-doped ZnO | |
| Cao et al. | Synthesis of gC 3 N 4 nanosheet modified SnO 2 composites with improved performance for ethanol gas sensing | |
| Zhou et al. | Hierarchically MoS2 nanospheres assembled from nanosheets for superior CO gas-sensing properties | |
| Grigorieva et al. | Synthesis, structure, and sensor properties of vanadium pentoxide nanorods | |
| Guo et al. | Synthesis of Ag2CO3/α-Fe2O3 heterojunction and it high visible light driven photocatalytic activity for elimination of organic pollutants | |
| Gui et al. | Enhanced gas sensing properties to NO2 of SnO2/rGO nanocomposites synthesized by microwave-assisted gas-liquid interfacial method | |
| He et al. | Development of sensors based on CuO-doped SnO 2 hollow spheres for ppb level H 2 S gas sensing | |
| Sun et al. | Synthesis and room-temperature H2S sensing of Pt nanoparticle-functionalized SnO2 mesoporous nanoflowers | |
| Han et al. | Enhanced photocatalytic activity over g-C3N4/(BiO) 2 (OH) xCl2− x Z-scheme heterojunction | |
| CN107164839A (en) | Formaldehyde sensitive material CdGa2O4 with hypersensitivity and selectivity and preparation method thereof | |
| Li et al. | In-situ growth of hierarchical SnO2/In2O3 heterostructures with multiple effective nn heterojunctions for superior triethylamine-sensing performances | |
| Gao et al. | Three-dimensional reduced graphene oxide/cobaltosic oxide as a high-response sensor for triethylamine gas at room temperature | |
| CN109668936A (en) | One kind being based on flower-shaped SnSe2/SnO2Nitrogen dioxide gas sensor, preparation process and the application of hetero-junctions | |
| Zhang et al. | Preparation of 3D rose-like nickel oxide nanoparticles by electrodeposition method and application in gas sensors | |
| Chen et al. | Detecting decompositions of sulfur hexafluoride using reduced graphene oxide decorated with Pt nanoparticles | |
| Ding et al. | Size and morphology dependent gas-sensing selectivity towards acetone vapor based on controlled hematite nano/microstructure (0D to 3D) | |
| Yu et al. | Fabricating pod-like SnO2 hierarchical micro-nanostructures for enhanced acetone gas detection | |
| Yang et al. | UV-enhanced highly sensitive ammonia sensing properties based on 2DPI/In2O3 heterostructure at room temperature | |
| Lei et al. | Three-dimensional hierarchical CuO gas sensor modified by Au nanoparticles | |
| Song et al. | Biotemplate-derived mesoporous Cr2O3 tube bundles for highly sensitive and selective detection of trace acetone at low temperature | |
| Liu et al. | Enhanced ethanol sensors based on MOF-derived ZnO/Co3O4 bimetallic oxides with high selectivity and improved stability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20200411 |