A kind of graphene transparent conductive film with rivet structure and preparation method thereof
A transparent conductive film, transparent conductive technology, applied to conductive layers on insulating carriers, equipment for manufacturing conductive/semiconducting layers, cable/conductor manufacturing, etc. Meet the application needs of transparent conductive films and other issues
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Embodiment 1
[0030] Embodiment 1 has the graphene transparent conductive film of rivet structure
[0031] Ordinary glass is used as the substrate, ATO is used as the rivet material, and graphene oxide is used. Treat the glass surface with H2 plasma for 10 minutes to obtain a hydrophilic glass surface. Graphene oxide with an average area of 100um2 was dissolved in deionized water to obtain a 1 mg / ml graphene oxide aqueous solution. The graphene aqueous solution undergoes low-speed centrifugation at 1000r / min and 3000r / min to remove agglomerated and graphite oxide impurities. Form 1 to 5 graphene oxide layers on the surface of the hydrophilic glass by spin coating. A silane coupling agent was used as a dispersant to obtain a well-dispersed ATO dispersion (ATO content 1%), the ATO average particle size was 20nm, and a rivet layer was introduced on the graphene oxide by spin coating. The graphene oxide layer is also formed on the rivet layer by the spin coating method. Dry the obtained f...
Embodiment 2
[0032] Embodiment 2 has the graphene transparent conductive film of rivet structure
[0033] Using PET flexible material as the substrate, using carbon nanotubes as the rivet material, and using NH3 plasma as the reducing agent to reduce graphene oxide. The PET substrate was treated with a mixed solution of ammonia, hydrogen peroxide and water to obtain a hydrophilic surface. Graphene oxide with an average area of 100um2 was dissolved in deionized water to obtain a 1 mg / ml graphene oxide aqueous solution. The graphene aqueous solution was left to settle for 7 days to remove agglomerates and graphene oxide impurities. The graphene oxide solution was mixed with n-butanol at a ratio of 1:5 to obtain solution A. Solution A was added dropwise to deionized water to obtain a Langmuir-Blodgett film of graphene oxide, and a graphene oxide film of 1 to 2 layers was obtained on a PET substrate by vertical pulling. DMF ultrasonically disperses carbon nanotubes, the diameter of which ...
Embodiment 3
[0035] Ordinary glass is used as the substrate, ATO is used as the rivet material, and DMF is used to disperse and reduce graphene oxide to make graphene film. Treat the glass surface with H2 plasma for 10 minutes to obtain a hydrophilic glass surface. The reduced graphene oxide with an average area of 100um2 was dispersed in DMF and ultrasonically dispersed for 1 hour to obtain a stable dispersion. A graphene layer is formed on the surface of hydrophilic glass by spin coating. A silane coupling agent was used as a dispersant to obtain a well-dispersed ATO dispersion (ATO content 1%), the ATO average particle size was 20nm, and a rivet layer was introduced on the graphene oxide by spin coating. The graphene oxide layer is also formed on the rivet layer by the spin coating method. The obtained film was dried at 80° C. for 2 hours to obtain a transparent conductive film.
[0036] It is difficult to obtain an electrically conductive film by the method of Example 3. Even if mul...
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