• 专利标题:   Producing hydrogel composition, used e.g. in solar cells, comprises mixing mixture obtained by loading carbon quantum dots onto titanium dioxide nanorods with mixture of dispersed graphene oxide to get a mixture, and adding reducing agent.
  • 专利号:   US2015069295-A1
  • 发明人:   HO G W, GAO M, WANG J
  • 专利权人:   UNIV SINGAPORE NAT
  • 国际专利分类:   B01J021/18, B01J023/52, C01B003/00, C01B003/08, H01G004/04, H01G009/20, H01M008/04
  • 专利详细信息:   US2015069295-A1 12 Mar 2015 C01B-003/00 201521 Pages: 21 English
  • 申请详细信息:   US2015069295-A1 US481608 09 Sep 2014
  • 优先权号:   US875196P, US481608

▎ 摘  要

NOVELTY - Producing a hydrogel composition, comprises: (a) providing titanium dioxide nanorods and loading carbon quantum dots onto the titanium dioxide nanorods to form a first mixture; (b) providing a second mixture of dispersed graphene oxide; (c) mixing the first and second mixture by ultrasonic dispersion to form a third mixture; and (d) adding a reducing agent to the third mixture to form the hydrogel composition that defines a three-dimensional porous and continuous crosslinked structure. USE - The method is useful for producing a hydrogel composition which is useful for photocatalytic hydrogen production and storage, and in an electrode, capacitor, fuel cell, solar cell, sensor, battery (all claimed). ADVANTAGE - The method utilizes carbon dots that are derived from alternate green carbon source (e.g. vitamin C) instead of graphitic precursor such green carbon source, which serves an inexpensive precursor and could easily be realized by a one-pot hydrothermal synthesis. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a hydrogel composition comprising: a graphene; a titanium dioxide nanotube array; and a carbon quantum dot, where the hydrogel composition defines a three-dimensional porous and continuous crosslinked structure.