Optimization ethanol detection performance manifested by SnS/SnS2 nanoparticles

被引：37
|
作者：
Zhang, Q. X. [1 ]
Ma, S. Y. [1 ]
Zhang, R. [1 ]
Tie, Y. [1 ]
Pei, S. T. [1 ]
机构：
[1] Northwest Normal Univ, Coll Phys & Elect Engn, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, Lanzhou 730070, Gansu, Peoples R China
来源：
MATERIALS LETTERS | 2020年 / 258卷
关键词：
SnS/SnS2; Ethanol; Sensors; Semiconductors; Heterojunction; GAS SENSOR; SNS2; NANOSTRUCTURES; FILMS;
D O I：
10.1016/j.matlet.2019.126783
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The SnS/SnS2 nanoparticles had been successfully prepared by one-step hydrothermal treatment for improving the gas sensing performance of SnS nanoparticles. The crystal structure, elemental composition and morphology of all samples were characterized by XRD, XPS and SEM. Compared with pure SnS nanoparticles, the response of SnS/SnS2 nanoparticles to 100 ppm ethanol is 30.12 at 200 degrees C, which is 1.64 times higher than that of SnS samples. The main mechanism for the enhanced performance of the SnS/SnS2 sensor were the formation of heterojunction and highly dispersion of these nanoparticles. (C) 2019 Elsevier B.V. All rights reserved.
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页数：4
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