Cu2ZnSnS4 (CZTS)-based room temperature liquefied petroleum gas (LPG) sensor

被引：47
|
作者：
Gurav, K. V. [1 ]
Shin, S. W. [2 ]
Patil, U. M. [3 ]
Deshmukh, P. R. [1 ,2 ]
Suryawanshi, M. P. [1 ,2 ]
Agawane, G. L. [1 ]
Pawar, S. M. [1 ]
Patil, P. S. [1 ]
Lee, J. Y. [2 ]
Lokhande, C. D. [3 ]
Kim, J. H. [1 ]
机构：
[1] Chonnam Natl Univ, Dept Mat Sci & Engn, Thin Film Photon & Elect Lab, Kwangju 500757, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea
[3] Shivaji Univ, Dept Phys, Thin Film Phys Lab, Kolhapur 416007, Maharashtra, India
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2014年 / 190卷
基金：
新加坡国家研究基金会;
关键词：
Room temperature LPG sensor; p-CZTS/n-ZnO heterojunction; CZTS thin film; Nanosized ZnO thin film; Gas sensing mechanism; Gas response; CHEMICAL ROUTE; ZINC-OXIDE; THIN-FILM; ZNO; PERFORMANCE; NANOSTRUCTURES; HETEROJUNCTION;
D O I：
10.1016/j.snb.2013.08.064
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In the present manuscript, we report for the first time Cu2ZnSnS4 (CZTS)-based heterojunction (p-CZTS/nZnO) used for room temperature liquefied petroleum gas (LPG) sensing. Specifically, the nanostructured ZnO has been grown chemically onto the sputtered CZTS thin films. The formations of phase pure CZTS and ZnO are confirmed by X-ray diffraction studies. The high quality heterojunction between compact CZTS and nanosized ZnO is obtained. At room temperature, the CZTS-based heterojunction exhibited gas response of 19.3% upon exposure to 1200 ppm of LPG with faster response and recovery time of 70 and 40 s. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：408 / 413
页数：6
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