CN203631146U - Transparent electro-conductive film - Google Patents
Transparent electro-conductive film Download PDFInfo
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- CN203631146U CN203631146U CN201320775004.8U CN201320775004U CN203631146U CN 203631146 U CN203631146 U CN 203631146U CN 201320775004 U CN201320775004 U CN 201320775004U CN 203631146 U CN203631146 U CN 203631146U
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Abstract
The utility model belongs to the field of the manufacturing technology for film solar cell electrodes and particularly relates to a transparent electro-conductive film, which comprises a flexible transparent film substrate, a nanometer ITO film layer arranged on the flexible transparent film substrate, and a graphene film layer arranged on the nanometer ITO film layer. Preferably, a conductive macromolecule layer is arranged on the graphene film layer. According to the technical scheme of the utility model, the graphene material and the conductive macromolecule material are compounded to form the electro-conductive film, so that the advantages of the graphene material and the conductive macromolecule material are combined together to ensure the graphene to remain transparent and flexible. Meanwhile, the conducting performance and the stability of the graphene are improved. The transparent electro-conductive film is low in cost, toxicity-free and environment-friendly. Therefore, the usage amount of ITO material is greatly reduced.
Description
Technical field
The utility model belongs to thin film solar cell electrode manufacture technology field, is specifically related to a kind of transparent conductive film.
Background technology
Along with the continuous reduction of cost, solar cell just progressively enters among people's life, plays a greater and greater role.Thin-film solar cells is the one in solar cell, and it adopts the only thin-film material of hundreds of nano thickness to realize photoelectric conversion.
Transparent conductive film is the film that optical clear performance and the electric conductivity of material are combined with each other, and it should have good electric conductivity, has again very high light transmission rate in certain spectral region.Exactly because transparent conductive film has dual property transparent and conduction, and becomes a class film very characteristic in functional material, can be used for the front electrode material of thin-film solar cells simultaneously.
Current thin film solar cell technologies all adopts the transparent conductive film of compound structure as front electrode, as Al-Doped ZnO (AZO), and tin indium oxide (ITO) etc.
Graphene, with its high grade of transparency, good conductivity, has great potential in the application of transparency electrode.Graphene compared with indium tin oxide transparency electrode, the advantage that grapheme material has:
1) phosphide material belongs to rare metal, lays in limited, expensive on the earth;
2) electric conductivity of ITO material is not ideal, more than when application, general thickness reaches 100 nanometers, make the mechanical property aspect of material poor, and Graphene is not only given the electron mobility of its superelevation by the one-tenth bond structure of its uniqueness, also make it possess good pliability;
3) optical characteristics of Graphene is better than ITO material, substantially can cover whole solar spectrum, and the light transmittance of single-layer graphene reaches 97.7%, and ITO not only has absworption peak at ultraviolet band, and energy usable reflection infrared band, thereby has limited its range of application;
4) stable in properties of Graphene, has good calorifics and mechanical characteristic, and ITO is in the time that temperature is increased to certain high-temperature temperature, and its internal structure changes, and causes carrier concentration to reduce gradually, and the inner carrier concentration of Graphene is up to 10
13cm
-2, its theoretical mobility can reach 200000cm
2/ Vs.
Therefore, Graphene can replace ITO completely as transparent electrode material.
Summary of the invention
The utility model provides a kind of transparent conductive film, and this transparent conductive film is taken into account conductivity, light transmittance and flexible performance.
A kind of transparent conductive film of the utility model, it comprises flexible and transparent film substrate, and nano-ITO thin layer is set on flexible and transparent film substrate, and graphene film layer is set on nano-ITO thin layer.
Further, on described graphene film layer, be also provided with electroconductive polymer layer.
Further, described graphene film layer is 2～4 layer graphenes.
Further, described electroconductive polymer layer is the one in polythiophene, polyaniline, polypyrrole or polyphenylacetylene.
Further, described conducting polymer layer thickness is 2nm～20nm.
Further, described flexible and transparent film substrate is optics level PET laminated polyester film.
Further, described graphene film layer thickness is 0.5nm～15nm.
Further, described nano-ITO thin layer thickness is 5～20nm.
The beneficial effects of the utility model are: 1) adopt Graphene and the compound composition conductive film of conducting polymer, combine the advantage of Graphene and conducting polymer composite, when making Graphene keep transparent and flexible, promote electric conductivity and the stability of Graphene; 2) low, the asepsis environment-protecting of cost, significantly reduces the use amount of ITO material.
Accompanying drawing explanation
Fig. 1 is the structural representation I of the utility model transparent conductive film.
Fig. 2 is the structural representation II of the utility model transparent conductive film.
Embodiment
Below in conjunction with embodiment, the utility model is further described.
As shown in Figure 1, a kind of transparent conductive film of the utility model, comprises flexible and transparent film substrate 1, and nano-ITO thin layer 2 is set on flexible and transparent film substrate 1, and graphene film layer 3 is set on nano-ITO thin layer 2.Transparent conductive film prepared by the present embodiment, graphene film layer 3 is 2～4 layer graphenes.Graphene film layer 3 thickness are 0.5nm.Nano-ITO thin layer 2 thickness are 5nm.
As shown in Figure 2, a kind of transparent conductive film of the utility model, comprises flexible and transparent film substrate 1, and nano-ITO thin layer 2 is set on flexible and transparent film substrate 1, and graphene film layer 3 is set on nano-ITO thin layer 2.On graphene film layer 3, be also provided with electroconductive polymer layer, this electroconductive polymer layer is the one in polythiophene, polyaniline, polypyrrole or polyphenylacetylene, and conducting polymer layer thickness is 2nm～20nm.Transparent conductive film prepared by the present embodiment, graphene film layer 3 is 2～4 layer graphenes.Graphene film layer 3 thickness are 15nm.Nano-ITO thin layer 2 thickness are 20nm.
Concrete producing principle of the present utility model is:
1) adopt chemical vapour deposition technique, at nickel foil as substrate and catalyst, C
2h
4under condition as gaseous carbon sources, carry out the growth of Graphene;
2) method that adopts electrolysis bubbling to peel off will be grown in suprabasil Graphene and peel off, and transfer on the optics level PET polyester film that surface is coated with ITO.
3) preparedly obtain to such an extent that adopt again spin-coating method at Graphene surface-coated conducting polymer composite on film, form electroconductive polymer layer, obtain transparent conductive film.
The present embodiment 1 and 2 prepared transparent conductive films, its light transmittance is 85.2～88.7%, when bending radius is less than 5mm on its electric property without impact.
Above-described embodiment is only unrestricted in order to the technical solution of the utility model to be described, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.
Claims (8)
1. a transparent conductive film, comprises flexible and transparent film substrate (1), it is characterized in that: nano-ITO thin layer (2) is set on flexible and transparent film substrate (1), graphene film layer (3) is set on nano-ITO thin layer (2).
2. transparent conductive film according to claim 1, is characterized in that: on described graphene film layer (3), be also provided with electroconductive polymer layer.
3. transparent conductive film according to claim 1 and 2, is characterized in that: described graphene film layer (3) is 2～4 layer graphenes.
4. transparent conductive film according to claim 2, is characterized in that: described electroconductive polymer layer is the one in polythiophene, polyaniline, polypyrrole or polyphenylacetylene.
5. transparent conductive film according to claim 2, is characterized in that: described conducting polymer layer thickness is 2nm～20nm.
6. transparent conductive film according to claim 1, is characterized in that: described flexible and transparent film substrate (1) is optics level PET laminated polyester film.
7. transparent conductive film according to claim 3, is characterized in that: described graphene film layer (3) thickness is 0.5nm～15nm.
8. transparent conductive film according to claim 1, is characterized in that: described nano-ITO thin layer (2) thickness is 5～20nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775004.8U CN203631146U (en) | 2013-12-02 | 2013-12-02 | Transparent electro-conductive film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775004.8U CN203631146U (en) | 2013-12-02 | 2013-12-02 | Transparent electro-conductive film |
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|---|---|
| CN203631146U true CN203631146U (en) | 2014-06-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741918A (en) * | 2016-04-29 | 2016-07-06 | 苏州巨邦新材料科技有限公司 | Nano copper based conductive composite material and fabrication process thereof |
| CN105751621A (en) * | 2016-04-29 | 2016-07-13 | 苏州巨邦新材料科技有限公司 | Efficient conductive composite material and preparation process |
| CN108447588A (en) * | 2018-04-17 | 2018-08-24 | 浙江浙能技术研究院有限公司 | A kind of three-dimensional grapheme membrane electrode structure |
| CN109275210A (en) * | 2018-10-12 | 2019-01-25 | 重庆墨希科技有限公司 | A kind of heating film of high reliability and preparation method thereof based on graphene |
| CN109801986A (en) * | 2017-11-17 | 2019-05-24 | 新奥（内蒙古）石墨烯材料有限公司 | Solar battery and preparation method thereof |
| CN111370584A (en) * | 2018-12-25 | 2020-07-03 | 东泰高科装备科技有限公司 | Manufacturing method of transparent conductive electrode, transparent conductive electrode and solar cell |
-
2013
- 2013-12-02 CN CN201320775004.8U patent/CN203631146U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741918A (en) * | 2016-04-29 | 2016-07-06 | 苏州巨邦新材料科技有限公司 | Nano copper based conductive composite material and fabrication process thereof |
| CN105751621A (en) * | 2016-04-29 | 2016-07-13 | 苏州巨邦新材料科技有限公司 | Efficient conductive composite material and preparation process |
| CN109801986A (en) * | 2017-11-17 | 2019-05-24 | 新奥（内蒙古）石墨烯材料有限公司 | Solar battery and preparation method thereof |
| CN108447588A (en) * | 2018-04-17 | 2018-08-24 | 浙江浙能技术研究院有限公司 | A kind of three-dimensional grapheme membrane electrode structure |
| CN109275210A (en) * | 2018-10-12 | 2019-01-25 | 重庆墨希科技有限公司 | A kind of heating film of high reliability and preparation method thereof based on graphene |
| CN109275210B (en) * | 2018-10-12 | 2021-02-09 | 重庆墨希科技有限公司 | High-reliability heating film based on graphene and preparation method thereof |
| CN111370584A (en) * | 2018-12-25 | 2020-07-03 | 东泰高科装备科技有限公司 | Manufacturing method of transparent conductive electrode, transparent conductive electrode and solar cell |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20211202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |