▎ 摘　　要

NOVELTY - Method for preparing cuprous oxide/reduced graphene oxide loaded on Shewanella bacteria inorganic/biological hybrid photocatalyst involves (i) ultrasonically dissolving 50 mg graphene oxide in a 25 ml ethanol solution, adding cupric nitrate trihydrate for uniform stirring, dripping an ascorbic acid solution and uniformly stirring to obtain a mixed solution, where the mass of added cupric nitrate trihydrate is 0.2-0.7 g, (ii) adjusting pH value of the mixed solution, transferring the mixed solution to a high temperature-resistant reaction kettle, performing solvothermal reaction, cooling, washing and performing vacuum drying to obtain cuprous oxide-reduced graphene oxide powder and (iii) preparing two parts of buffer solution, weighing cuprous oxide-reduced graphene oxide powder, ultrasonically dissolving in one buffer solution, dissolving Shewanella bacteria in another buffer solution, rapidly mixing the two parts of the buffer solution, vacuumizing and stirring. USE - The method is useful for preparing cuprous oxide/reduced graphene oxide loaded on Shewanella bacteria inorganic/biological hybrid photocatalyst used in photocatalytic hydrogen production (claimed). ADVANTAGE - The method provides product with excellent photocatalytic hydrogen production activity, which is up to 46 times that of a single cuprous oxide under the same conditions and adopts cuprous oxide which is environmentally friendly, cost-effective and easy to synthesize. DETAILED DESCRIPTION - Method for preparing cuprous oxide/reduced graphene oxide loaded on Shewanella bacteria inorganic/biological hybrid photocatalyst involves (i) ultrasonically dissolving 50 mg graphene oxide in a 25 ml ethanol solution, adding cupric nitrate trihydrate for uniform stirring, dripping an ascorbic acid solution and uniformly stirring to obtain a mixed solution, where the mass of added cupric nitrate trihydrate is 0.2-0.7 g and the ascorbic acid solution is in a concentration of 10 g/l and a volume of 0.4-1.4 ml, (ii) adjusting pH value of the mixed solution to 5-9, transferring the mixed solution to a high-temperature-resistant reaction kettle, performing solvothermal reaction at 120-180 degrees C for 4-24 hours, taking out, naturally cooling to room temperature, washing obtained cuprous oxide-reduced graphene oxide with ethanol and distilled water for 2-3 times and performing vacuum drying at 60 degrees C for 24 hours to obtain cuprous oxide-reduced graphene oxide powder and (iii) preparing two parts of 50 ml buffer solution, weighing 50 mg cuprous oxide-reduced graphene oxide powder, ultrasonically dissolving in one buffer solution, dissolving Shewanella bacteria in another buffer solution, rapidly mixing the two parts of the buffer solution, vacuumizing and stirring for 20-40 minutes to obtain the photocatalyst, where the Shewanella bacteria is S.oneidensis MR-1 and a OD600 is 0.5-4. An INDEPENDENT CLAIM is included for the photocatalyst prepared by the method.