Green Synthesis of Sulfur/Graphene Nanocomposite and Photocatalytic Performance

被引：18

作者：

Dong, Kaituo ^{[1
,2
]}

Yu, Lianqing ^{[1
,2
]}

Zhang, Yaping ^{[1
,2
]}

Wang, Qingqing ^{[1
,2
]}

Neppolian, B. ^{[3
]}

机构：

[1] China Univ Petr, Coll Sci, Qingdao 266580, Peoples R China

[2] China Univ Petr, Key Lab New Energy Phys & Mat Sci, Qingdao 266580, Peoples R China

[3] SRM Univ, SRM Res Inst, Madras 603203, Tamil Nadu, India

来源：

SCIENCE OF ADVANCED MATERIALS | 2014年 / 6卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Sulfur; Graphene; Nanocomposite; Electrochemical Measurement; Photocatalytic Activities; VISIBLE-LIGHT; CARBON NANOTUBES; GRAPHENE OXIDE; ANODE MATERIALS; SULFUR; REDUCTION; TIO2; COMPOSITES; BATTERIES; SPECTROSCOPY;

D O I：

10.1166/sam.2014.1948

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A nanocrystal sulfur/graphene composite has synthesized by one-pot hydrothermal method without any assistance of toxic organic solvents. Well dispersed sulfur particles (similar to 5 nm size) on graphene could be obtained by addition of acetic acid, and their chemical combination is confirmed by the presence of vibration stretching modes of C=S and C-S bonds, characterized by Fourier transform infrared and Raman spectra. Effective electrons can transfer from nano-sulfur to graphene verified by Fluorescence emission spectrum. The nanocomposite exhibits an enhanced photocurrent, lower onset potential and donor densities by electrochemical test. Besides, methylene blue (MB) degradation results indicate its excellent photocatalytic activities under no matter solar or visible light irradiation with graphene assistance, as well as excellent cycling stability.

引用

页码：1828 / 1835

页数：8

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