Synthesis and red-shifted photoluminescence of single-crystalline ZnO nanowires

被引：21

作者：

Deng, Yuan ^{[1
]}

Wang, Guangsheng ^{[1
]}

Li, Na ^{[1
]}

Guo, Lin ^{[1
]}

机构：

[1] BeiHang Univ, Sch Chem & Environm, Beijing 100083, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2009年 / 129卷 / 01期

基金：

中国国家自然科学基金;

关键词：

ZnO; Nanowires; Photoluminescence spectrum; MECHANISM; GROWTH; ZINC;

D O I：

10.1016/j.jlumin.2008.07.016

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Local-oriented single-crystalline ZnO nanowires have been synthesized in large scale by a simple microemulsion method in the presence of sulfonate-polystyrene (S-PS) and dodecyl benzene sulfonic acid sodium salt (DBS). The as-prepared product is characterized by using X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution TEM (HRTEM), infrared (IR) spectra and photoluminescence (PL) spectrum. The nanowires exhibit a local congregation and preferentially grow along the [0 0 2] facet. FT-IR spectrum indicates that S-PS is adsorbed on the surface of ZnO nanowires. The PL spectrum shows evidently red-shifted ultraviolet (UV) emission. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：55 / 58

页数：4

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