• 专利标题:   Producing reduced graphene oxide/cuprous oxide composite photocatalyst comprises preparing graphene oxide by Hummers method, adding graphene oxide solution to copper sulfate solution, ultrasonic dispersing and reacting.
  • 专利号:   CN106955689-A
  • 发明人:   YAN L, LIU M, XU Y
  • 专利权人:   UNIV SHANGHAI
  • 国际专利分类:   B01J021/18, B01J023/72, C02F001/30, C02F101/30
  • 专利详细信息:   CN106955689-A 18 Jul 2017 B01J-021/18 201756 Pages: 7 Chinese
  • 申请详细信息:   CN106955689-A CN10165277 14 Mar 2017
  • 优先权号:   CN10165277

▎ 摘  要

NOVELTY - Producing reduced graphene oxide/cuprous oxide composite photocatalyst comprises (i) preparing graphene oxide by Hummers method, and (ii) adding 1-10 ml concentration graphene oxide solution to 100 ml concentration 0.1-0.2 mol mol/l copper sulfate solution, ultrasonic dispersing for 30-60 minutes, constant temperature stirring at 20-30 degrees C, adding 10 ml of 5-10 mol/l sodium hydroxide, stirring for 20-30 minutes, adding 5-10 ml of 0.5-0.7 mol/l concentration hydrazine hydrate, allowing to stand for 3-5 hours, washing the reactant, drying and grinding into powder. USE - The photocatalyst is useful for photocatalytic degradation of methyl orange solution (claimed). ADVANTAGE - The method is simple. The photocatalyst has photocatalytic degradation effect of 88%. DETAILED DESCRIPTION - Producing reduced graphene oxide/cuprous oxide composite photocatalyst comprises (i) preparing graphene oxide by Hummers method: pre-oxidizing graphite, oxidizing, ultrasonic stripping, and washing to neutral using hydrochloric acid solution and deionized water of ratio 1:10 to obtain 3-5 mg/ml concentration graphene oxide solution, and (ii) adding 1-10 ml concentration graphene oxide solution to 100 ml concentration 0.1-0.2 mol mol/l copper sulfate solution, ultrasonic dispersing for 30-60 minutes, constant temperature stirring at 20-30 degrees C, adding 10 ml of 5-10 mol/l sodium hydroxide, stirring for 20-30 minutes, adding 5-10 ml of 0.5-0.7 mol/l concentration hydrazine hydrate, allowing to stand for 3-5 hours, washing the reactant, drying in vacuum drying box at 60 degrees C for 2-3 hours, and grinding into powder.