Effects of reaction time on the morphological, structural, and gas sensing properties of ZnO nanostructures

被引：34
|
作者：
Hussain, Shahid [1 ,2 ]
Liu, Tianmo [1 ,2 ]
Kashif, M. [3 ]
Lin, Liyang [1 ,2 ]
Wu, Shufang [1 ,2 ]
Guo, Weiwei [1 ,2 ]
Zeng, Wen [1 ,2 ]
Hashim, U. [3 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
[2] Natl Engn Res Ctr Magnesium Alloys, Chongqing 400030, Peoples R China
[3] Univ Malaysia Perlis, INEE, Nano Biochip Res Grp, Kangar 01000, Perlis, Malaysia
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2014年 / 18卷
关键词：
Gas sensing; Optical property; Structural property; ZnO; GROWTH-MECHANISM; NANORODS;
D O I：
10.1016/j.mssp.2013.10.028
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：
Morphological transformation was achieved from ZnO hexagonal needle-like rods to hexagonal flower-like rods by varying the reaction growth time using the hydrothermal method. Optical bandgap energies were calculated from the absorption spectra using UV-vis spectroscopy. Gas sensing properties of flower-like hexagonal ZnO structures at 50 ppm for ethanol (C2H5OH) and nitrogen dioxide (NO2) at different temperatures were analyzed. The sensor showed a higher response toward C2H5OH than NO2 gas at 350 degrees C. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：52 / 58
页数：7
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