Effect of structural parameter on field emission properties of semiconducting copper sulphide nanowire films

被引：51

作者：

Chen, J

Deng, SZ

She, JC

Xu, NS ^{[1
]}

Zhang, WX

Wen, XG

Yang, SH

机构：

[1] Zhongshan Univ, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Peoples R China

[2] Zhongshan Univ, Guangdong Province Key Lab Display Mat & Technol, Guangzhou 510275, Peoples R China

[3] Hong Kong Univ Sci & Technol, Inst Nano Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2003年 / 93卷 / 03期

关键词：

D O I：

10.1063/1.1536739

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Films of aligned crystalline copper sulphide (Cu2S) nanowire arrays were grown by using a gas-solid reaction method. By controlling the preparation condition, copper sulphide nanowire arrays with different structural parameters were fabricated. Their field emission characteristics including the total current-applied field characteristics and the distribution of field emission sites are studied and compared using the transparent anode technique. It is found that the turn-on field of the copper sulphide nanowire film relates to the structural parameters of copper sulphide nanowire arrays. Nonlinearity in Fowler-Nordheim plot was observed from film consisting of sparse nanowire arrays with varied field enhancement factor. The physical mechanism accounting for the nonlinearity is discussed. (C) 2003 American Institute of Physics. [DOI: 10.1063/1.1536739].

引用

页码：1774 / 1777

页数：4

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