Method for preparing graphene and titanium dioxide composite material by vapor phase reduction method
A technology of titanium dioxide and composite materials, applied in the direction of titanium dioxide, graphene, titanium oxide/hydroxide, etc., to achieve the effect of increasing porosity, improving electrical conductivity, and excellent performance
Active Publication Date: 2013-01-16
NANJING UNIV OF TECH
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The invention relates to a method for preparing a graphene and titanium dioxide composite material by a vapor phase reduction method. The method comprises the following steps of: acidizing titanium dioxide powder; adding a prepared graphene aqueous solution into a titanium dioxide solution which is acidized; adding an organic solvent, and stirring to obtain slurry; adding a curing agent and high-molecular polymer cured slurry, and distilling to obtain concentrated graphene composite titanium dioxide slurry; printing the slurry on a substrate by a silk screen; and heating for reducing under the action of reducing gas to obtain the graphene and titanium dioxide composite material. The composite material obtained by the method provides an excellent electrode material for the subsequent manufacturing of dye-sensitized batteries, quantum dot sensitized batteries and photoelectrocatalysis equipment. According to the method, a preparation process is simple and convenient, and the novel composite material with high performance is provided for the field of solar battery materials in the future.
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Property | Measurement | Unit |
Resistivity | 5.35E-8 | m·Ω |
Resistivity | 4.28E-8 | m·Ω |
Resistivity | 7.78E-8 | m·Ω |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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