Synthesis of Sn nanoparticle decorated graphene sheets for enhanced field emission properties

被引：25
|
作者：
Li, Z. J. [1 ]
Yang, B. C. [1 ]
Yun, G. Q. [2 ]
Zhang, S. R. [1 ]
Zhang, M. [1 ]
Zhao, M. X. [1 ]
机构：
[1] Huanghe Univ Sci & Technol, Inst Nano Funct Mat, Zhengzhou 450006, Peoples R China
[2] Zhengzhou Univ Light Ind, Dept Technol & Phys, Zhengzhou 450002, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 550卷
基金：
中国国家自然科学基金;
关键词：
Graphene; Tin; Field-emission; CARBON NANOTUBES; ANODES;
D O I：
10.1016/j.jallcom.2012.10.169
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The field emission properties of graphene nanosheets were remarkably improved by decorating their surface with tin (Sn) nanoparticles. The Sn nanoparticles were attached effectively on the surface of graphene via a chemical vapor deposition during graphene oxide reduction procedure. The Sn-decorated graphene (Sn-Gr) sheets showed lower turn-on voltage and higher emission stability compared with pristine graphene. The improved field emission properties of Sn-Gr sheets were mainly attributed to the Sn nanoparticles which increased the field enhancement factor and the density of emission sites. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：353 / 357
页数：5
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