BaTiO3 nanostructures for H2S gas sensor: Influence of band-gap, size and shape on sensing mechanism

被引：48
作者：
Patil, R. P. [1 ]
More, Priyesh V. [2 ]
Jain, G. H. [3 ]
Khanna, Pawan K. [2 ]
Gaikwad, V. B. [4 ]
机构：
[1] Bhonsala Mil Coll, Dept Chem, Nasik 422005, India
[2] DIAT, Dept Appl Chem, Nanochem Lab, Pune 411025, Maharashtra, India
[3] Arts Sci & Com Coll, Nasik 423101, India
[4] KTHM Coll, Nasik 422002, India
来源：
VACUUM | 2017年 / 146卷
关键词：
Hydrothermal method; Sensor; Perovskite; BaTiO3; nanostructures; H2S sensing; BARIUM-TITANATE; NANOPARTICLES;
D O I：
10.1016/j.vacuum.2017.08.008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present a low temperature hydrothermal route for synthesis of Barium titanate (BaTiO3) nano structures for their utility in H2S gas sensing. We established the reaction parameters to obtain sub 100 nm BaTiO3 nanostructures (spherical, hexagonal and rods) and subjected them form a thick film by screen-printing technique. These calcined thick films were exposed to various gases at different working temperature for sensing studies. The as-fabricated thick film of BaTiO3 selectively sensed H2S gas at a working temperature range from 200 to 300 degrees C. The role of Desulphurization band-gap, size and shape of BaTiO3 nanostructures in H2S gas sensing mechanism is discussed in detail. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：455 / 461
页数：7
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