Cathodoluminescence characterization of SnO2 nanoribbons grown by vapor transport technique

被引:10
|
作者
Yuan, X. L.
Lazzarini, L.
Salviati, G.
Zha, M.
Sekiguchi, T.
机构
[1] Natl Inst Mat Sci, Nanomat Lab, Tsukuba, Ibaraki 3050044, Japan
[2] CNR, IMEM, I-43010 Fontanini Parma, Italy
关键词
CL; SnO2; defect;
D O I
10.1016/j.mssp.2006.01.029
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Cathodoluminescence (CL) was used to characterize the tin dioxide (SnO2) nanoribbons grown by vapor transport technique. The CL emission at the room temperature showed two broad bands centered at 2.02eV (orange band) and 2.70eV (blue-green band). The orange band may be related to the oxygen vacancies. The CL spectra did not change along the longer axis of the nanoribbons, while they varied across the nanoribbons. The variation across the nanoribbons was classified into three categories. The phenomena may be related to the different facets at the growth front of the nanoribbons. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:331 / 336
页数:6
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