• 专利标题:   Producing ozone oxidation graphene quantum dot comprises providing graphite oxide aqueous dispersion, adding hydrogen peroxide solution in aqueous dispersion, introducing ozone, obtaining graphene quantum dot, and processing dispersion.
  • 专利号:   CN105460919-A, CN105460919-B
  • 发明人:   CAO H, LI M, LIU C, ZHANG Y, WEN J
  • 专利权人:   INST PROCESS ENG CHINESE ACAD SCI, INST PROCESS ENG CHINESE ACAD SCI
  • 国际专利分类:   B82Y030/00, C01B031/04, C01B032/184
  • 专利详细信息:   CN105460919-A 06 Apr 2016 C01B-031/04 201641 Pages: 11 English
  • 申请详细信息:   CN105460919-A CN10437134 29 Aug 2014
  • 优先权号:   CN10437134

▎ 摘  要

NOVELTY - Producing ozone oxidation graphene quantum dot comprises (i) providing graphite oxide aqueous dispersion, (ii) adding hydrogen peroxide solution in aqueous dispersion, (iii) at 4-90 degrees C, lasting ozone, obtaining graphene quantum dot, and (iv) processing step (iii) resulting dispersion to obtain solid graphene quantum dot product. USE - The method is useful for producing ozone oxidation graphene quantum dot (claimed), which is used for preparing solar energy battery, electrochemical biosensor, photocatalytic material and in biological imaging. ADVANTAGE - The method uses material rich in oxygen containing group, fluorescence and electrochemical character catalytic activity.