Double disks shaped ZnO microstructures synthesized by one-step CTAB assisted hydrothermal methods

被引：24
|
作者：
Guo, Hongying [1 ]
Zhang, Wei [1 ]
Sun, Yuanping [1 ]
Zhou, Taofei [2 ]
Qiu, Yongxin [2 ]
Xu, Ke [2 ]
Zhang, Baoshun [2 ]
Yang, Hui [2 ]
机构：
[1] Yantai Univ, Inst Sci & Technol Optoelect Informat, Yantai 264005, Peoples R China
[2] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2015年 / 41卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Hydrothermal crystal growth; Semiconducting II-VI materials; ZnO double disks; NANOSTRUCTURES; EMISSION; NANORODS; GROWTH; UV; FABRICATION; NETWORKS; COMPLEX; GREEN; BLUE;
D O I：
10.1016/j.ceramint.2015.04.122
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Double disks shaped ZnO microstructures have been synthesized by one-step CTAB assisted hydrothermal methods at 90 degrees C with different growth time. The scanning electron microscopy (SEM) and X-ray diffraction (XRD) results disclosed the double disks shaped morphology and hexagonal wurtzite structures. With the increase of growth time, the strain along a axis becomes relaxed while that along c axis becomes more compressed. This made the increase of defect-related visible emissions and the decrease of UV near-band-gap emissions. Based on the experimental results, surfactant (CTAB) and growth temperature are suggested as the key factors for the formation of the double disks shaped ZnO. A possible growth mechanism to form the double disks shaped ZnO have been provided. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：10461 / 10466
页数：6
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