Structure and photoluminescence of ZnSe nanoribbons grown by metal organic chemical vapor deposition

被引：102

作者：

Zhang, XT ^{[1
]}

Ip, KM ^{[1
]}

Liu, Z ^{[1
]}

Leung, YP ^{[1
]}

Li, Q ^{[1
]}

Hark, SK ^{[1
]}

机构：

[1] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 14期

关键词：

D O I：

10.1063/1.1695096

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

ZnSe nanoribbons have been synthesized using sputter-coated gold films as catalysts via metalorganic chemical vapor deposition on Si (100) substrates. Both x-ray and selected area electron diffractions determine that they have the zinc-blende structure. High-resolution transmission electron microscopic investigations show that their structure is highly ordered and contains coherent twin lamellae near one edge but is essentially free of dislocations. Photoluminescence studies at 10 K show that sharp excitonic peaks dominate their spectra, reflecting their high purity and nearly perfect stoichiometry. New excitonic peaks are observed in the nanoribbons and their possible origins are discussed. (C) 2004 American Institute of Physics.

引用

页码：2641 / 2643

页数：3

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