3D flowerlike TiO2/GO and TiO2/MoS2 heterostructures with enhanced photoelectrochemical water splitting

被引：21
|
作者：
Li, Hongxia [1 ]
Dong, Wei [1 ]
Xi, Junhua [1 ]
Du, Gang [1 ]
Ji, Zhenguo [1 ]
机构：
[1] Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Zhejiang, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2018年 / 53卷 / 10期
关键词：
GRAPHENE OXIDE; NANOTUBE ARRAYS; RUTILE TIO2; COMBUSTION SYNTHESIS; COMPOSITE FILMS; MOS2; PHOTODEGRADATION; COCATALYSTS; FABRICATION; DEPOSITION;
D O I：
10.1007/s10853-018-2051-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
TiO2 nanoflowers modified with MoS2 and GO nanosheets are prepared by a one-step hydrothermal method followed by a dip-coating process. The morphology, structure and composition of the samples are investigated by XRD, SEM and XPS, respectively. The photoelectrochemical (PEC) measurement reveals that the modified samples exhibit obvious improved photocurrent density. The enhancement can be attributed to the higher absorption in visible light region and faster charge transmission as analyzed by the UV-Vis absorption, photoluminescence spectra and electrochemical impedance analysis. This facile method provides a promising low-cost way to enhance the PEC performance of TiO2-based photoanodes.
引用
收藏
页码：7609 / 7620
页数：12
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