▎ 摘 要
NOVELTY - Preparing graphene-zinc oxide nanotube array dye-sensitized solar cell photoanode comprises e.g. (i) placing zinc nitrate solution as electrolyte in water bath, (ii) immersing zinc oxide nanorod array in potassium hydroxide solution, (iii) fumigating, (iv) immersing conductive glass/zinc oxide nanotube array, (v) placing conductive glass covered with zinc oxide nanotube array/graphene oxide film, (vi) placing conductive glass/zinc oxide nanotube array/graphene in spin coater, and (vii) coating surface of zinc oxide nanotube array/reduced graphene oxide/polydimethylsiloxane film with dye. USE - The method is useful for preparing graphene-zinc oxide nanotube array dye-sensitized solar cell photoanode (claimed). ADVANTAGE - The photoanode enhances chemical stability of composite, and extends stability of dye-sensitized cells. DETAILED DESCRIPTION - Preparing graphene-zinc oxide nanotube array dye-sensitized solar cell photoanode comprises (i) placing zinc nitrate solution as electrolyte in water bath, heating thermostat using two electrode system, cut zinc foil and left and right conductive tape affixed with insulating tape as electrodeposited anode and cathode access circuit, depositing, removing conductive glass, washing with deionized water and drying to obtain zinc oxide nanorod arrays by electrochemical deposition, (ii) immersing zinc oxide nanorod array in potassium hydroxide solution and reacting at constant temperature in water bath to obtain zinc oxide nanotube array, (iii) fumigating array of zinc oxide nanotubes with water vapor, natural drying, transferring zinc oxide nanotube array into acetone solution of aminopropyltrimethoxysilane, allowing to stand, rinsing with ethanol, curing in dry box, (iv) immersing conductive glass/zinc oxide nanotube array in graphene oxide-carboxylic acid dispersion, placing in water bath and drying to obtain zinc oxide nanotube array/graphene oxide film, (v) placing conductive glass covered with zinc oxide nanotube array/graphene oxide film under hydrazine vapor and reducing overnight at 60-70 degrees C, (vi) placing conductive glass/zinc oxide nanotube array/graphene in spin coater, spinning on polydimethylsiloxane, placing in a vacuum oven, vacuum drying to remove air bubbles, curing, peeling zinc oxide nanotube array/reduced graphene oxide/polydimethylsiloxane film from conductive glass, and (vii) coating surface of zinc oxide nanotube array/reduced graphene oxide/polydimethylsiloxane film with dye at room temperature.