Fabrication of Two-Dimensional Lateral Heterostructures of WS2/WO3•H2O Through Selective Oxidation of Monolayer WS2

被引：124

作者：

Zhou, Pengshang ^{[1
]}

Xu, Qun ^{[1
]}

Li, Hongxiang ^{[1
]}

Wang, Yun ^{[2
,3
]}

Yan, Bo ^{[1
]}

Zhou, Yunchun ^{[4
]}

Chen, Jiafu ^{[1
]}

Zhang, Jianan ^{[1
]}

Wang, Kaixi ^{[1
]}

机构：

[1] Zhengzhou Univ, Coll Mat Sci & Engn, Zhengzhou 450052, Peoples R China

[2] Griffith Univ, Ctr Clean Environm & Energy, Nathan, Qld 4111, Australia

[3] Griffith Univ, Griffith Sch Environm, Nathan, Qld 4111, Australia

[4] Chinese Acad Sci, Natl Analyt Res Ctr Electrochem & Spect, Changchun Inst Appl Chem, Changchun 130022, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 50期

关键词：

heterostructures; nanosheets; photocatalysis; tungsten oxides; tungsten sulfides; LIQUID EXFOLIATION; BORON-NITRIDE; SINGLE-LAYER; NANOSHEETS; GRAPHENE; WO3; CONVERSION; GRAPHITE; WATER;

D O I：

10.1002/anie.201508216

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two-dimensional (2D) lateral heterostructures have emerged as a hot topic in the fast evolving field of advanced functional materials, but their fabrication is challenging. The layer-structured WS2 was theoretically demonstrated to be inert to oxidation except for the monolayer, which can be selectively oxidized owing to the simultaneous interaction of oxygen with both sides. Combined with the theoretical calculations, a new method was developed for the successful construction of 2D lateral heterostructures of WS2/WO3 center dot H2O in an ambient environment, based on a simple liquid-phase solution exfoliation. These lateral heterostructures of WS2/WO3 center dot H2O have interesting properties, as indicated by enhanced photocatalytic activity toward the degradation of methyl orange (MO).

引用

页码：15226 / 15230

页数：5

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