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

页码：10461 / 10466

页数：6

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