Observation of the First Excited State of A-Exciton in ZnO Nanocombs

被引：1
|
作者：
Li, Zeming [1 ]
Gao, Hong [1 ]
Wu, Lili [1 ,2 ]
Zhang, Xitian [1 ]
机构：
[1] Harbin Normal Univ, Sch Phys & Elect Engn, Heilongjiang Key Lab Adv Funct Mat & Excited Stat, Harbin 150025, Peoples R China
[2] Heilongjiang Inst Sci & Technol, Ctr Engn Training & Basic Experimentat, Harbin 150027, Peoples R China
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2010年 / 10卷 / 03期
基金：
中国国家自然科学基金;
关键词：
ZnO; Nanocombs; Photoluminescence; FXAn=2; OPTICAL-PROPERTIES; PHOTOLUMINESCENCE; NANOWIRES; SINGLE; GROWTH;
D O I：
10.1166/jnn.2010.2152
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
High-quality ZnO nanocombs were synthesized on Si substrates coated with Au films by evaporating ZnO powders with a high yield. The morphology of the ZnO nanocombs was characterized by scanning electronic microscopy. In order to study the dynamic process of near-band edge emission, the temperature-dependent photoluminescence spectra were measured. The first excited state emission of A-free exciton centered at 3.403 eV was observed at 87 K.
引用
收藏
页码：1891 / 1894
页数：4
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