Highly Photoactive, Low Bandgap TiO2 Nanoparticles Wrapped by Graphene

被引：837
作者：
Lee, Joon Seok [1 ]
You, Kyeong Hwan [1 ]
Park, Chan Beum [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
来源：
ADVANCED MATERIALS | 2012年 / 24卷 / 08期
基金：
新加坡国家研究基金会;
关键词：
ANATASE; DISPERSIONS; NANORODS; SHEETS;
D O I：
10.1002/adma.201104110
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Highly photoactive, graphene-wrapped anatase TiO 2 nanoparticles are synthesized through one-step hydrothermal reduction of graphene oxide (GO) and TiO 2 crystallization from GO-wrapped amorphous TiO 2 NPs. Graphene-TiO 2 nanoparticles exhibit a red-shift of the band-edge and a significant reduction of the bandgap (2.80 eV). Graphene-TiO 2 nanoparticles possess excellent photocatalytic properties under visible light for the degradation of methylene blue. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：1084 / 1088
页数：5
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