期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 205, 期 -, 页码 229-235出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2011.12.071
关键词
Graphene; Hydrogel; Titanium dioxide; Photocatalyst; Environmental protection
资金
- Shanghai Municipal Education Commission [07SG37]
- Natural Science Foundation of China [51072034, 51172042]
- Cultivation Fund of the Key Scientific and Technical Innovation Project [708039]
- Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning
- Program of Introducing Talents of Discipline to Universities [111-2-04]
Herein we report a room-temperature synthesis of chemically bonded TiO2 (P25)-graphene composite hydrogels and their use as high performance visible light photocatalysts. The three-dimensional (3D) TiO2-carbon composite exhibits a significant enhancement in the reaction rate in the decontamination of methylene blue, compared to the bare P25. The 3D P25-graphene hydrogel is much easier to prepare and apply as a macroscopic device, compared to the 2D P25-graphene sheets. This work could provide new insights into the room-temperature synthesis of graphene-based materials. As a kind of the novel 3D graphene-based composite, the obtained high performance P25-graphene gel could be widely used in the environmental protection issues. (C) 2012 Published by Elsevier B.V.
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