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题名: Lower work function of thermoelectric material by ordered arrays
作者: Liu, Gang1, 2; Xue, Zhenjie2; Xu, Guiying1; Yan, Cong2; Wang, Tie2
关键词: work function ; PbTe nanocubes ; Bi0.5Sb1.5Te3 ; P-N sections
刊名: SCIENCE CHINA-CHEMISTRY
发表日期: 2016-10-01
卷: 59, 期:10, 页:1264-1269
收录类别: SCI
英文摘要: In this paper, PbTe nanocubes are assembled on Bi0.5Sb1.5Te3 substrates with both ordered and disordered structures through a straightforward method to form a P-N section. The work function of such semiconductor system is then measured by the ultraviolet photoelectron spectroscopy. This results show that the work function of orderly arrayed PbTe deposition is much lower than the disordered assemblies. Such change of the work function provides the possibility to tune it in a P-N section system. The change of the work function is attributed to the less surface roughness and easier electron escaping in the ordered structures.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35645
Appears in Collections:活体分析化学实验室_期刊论文

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作者单位: 1.Univ Sci & Technol Beijing, Lab Special Ceram & Powder Met, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Key Lab Analyt Chem Living Biosyst, Beijing 100190, Peoples R China
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