Novel gallium oxide/reduced graphene oxide nanocomposite for ammonia gas sensing application

被引：9
|
作者：
Sivasankaran, B. R. [1 ]
Balaji, M. [1 ]
机构：
[1] Univ Madras, Dept Energy, Chennai 600025, Tamil Nadu, India
来源：
MATERIALS LETTERS | 2021年 / 288卷
关键词：
Gallium oxide; Ammonia; Sensor; Nanocomposites; Carbon materials;
D O I：
10.1016/j.matlet.2021.129386
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Gallium oxide (Ga2O3) nanoparticles was prepared by ultrasonic irradiation of gallium followed by calcination at 900 degrees C and Ga2O3/reduced Graphene Oxide (rGO) nanocomposites were synthesized by hydrothermal method. The Ga2O3 nanoparticles were mesoporous in nature, with crystallite size around 25 nm, whereas those of nanocomposites (Ga2O3 decorated on rGO) varies from 22 to 24 nm. The nanocomposites were coated onto fluorine doped tin oxide substrates using doctor blade technique to study ammonia sensing property at room temperature. Ammonia gas sensing response of 64% at room temperature, with excellent stability and selectivity has been achieved for the Ga2O3/rGO nanocomposite. (C) 2021 Elsevier B.V. All rights reserved.
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页数：4
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