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

页码：353 / 357

页数：5

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