Preparation and Optical Properties of Biomimic Hierarchical ZnO Column Arrays

被引：13
|
作者：
Yang, Mei [1 ]
Yin, Guangfu [1 ]
Huang, Zhongbing [1 ]
Kang, Yunqing [1 ]
Liao, Xiaoming [1 ]
Wang, Hui [2 ]
机构：
[1] Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610064, Peoples R China
[2] Sichuan Univ, Analyt & Testing Ctr, Chengdu 610064, Peoples R China
来源：
CRYSTAL GROWTH & DESIGN | 2009年 / 9卷 / 02期
基金：
中国国家自然科学基金;
关键词：
ZINC-OXIDE; NANOWIRE ARRAYS; POLAR-SURFACE; THIN-FILM; GROWTH; NANOSTRUCTURES; DEPOSITION; SI; PHOTOLUMINESCENCE; NANOHELIXES;
D O I：
10.1021/cg701089a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hierarchical ZnO column arrays have been successfully prepared in aqueous solution through the appropriate dimercaptosuccinic acid (DMSA) addition time and concentration. The morphology of the ZnO columns and their photoluminescence (PL) are remarkably similar to biomineral structures in Ostrea rivularis shells. PL spectra of ZnO arrays exhibit near-band-edge emissions, and it is more obvious in ZnO columns obtained using 1-6 h addition time due to the high defects concentration. Furthermore, some carboxyl (COOH) groups of DMSA linked in ZnO columns could remain free to graft a bimolecule, which implies a great potential for optical emission and biosensors.
引用
收藏
页码：707 / 714
页数：8
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