CuxO Nanostructure-Based Gas Sensors for H2S Detection: An Overview

被引：37

作者：

Navale, Sachin ^{[1
,2
,3
]}

Shahbaz, Mehrdad ^{[4
]}

Majhi, Sanjit Manohar ^{[1
,3
]}

Mirzaei, Ali ^{[5
]}

Kim, Hyoun Woo ^{[1
,2
]}

Kim, Sang Sub ^{[3
]}

机构：

[1] Hanyang Univ, Div Mat Sci & Engn, Seoul 04763, South Korea

[2] Hanyang Univ, Res Inst Ind Sci, Seoul 04763, South Korea

[3] Inha Univ, Dept Mat Sci & Engn, Incheon 22212, South Korea

[4] Urmia Univ, Dept Mat Sci & Engn, Fac Engn, Orumiyeh 5756151818, Iran

[5] Shiraz Univ Technol, Dept Mat Sci & Engn, Shiraz 71555713876, Iran

来源：

CHEMOSENSORS | 2021年 / 9卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

gas sensor; H2S gas; CuxO; CuxS; sensing mechanism; METAL-OXIDE NANOSTRUCTURES; SENSING CHARACTERISTICS; ORGANIC FRAMEWORKS; CUO; TEMPERATURE; PERFORMANCE; COMPOSITE; HYBRID; FABRICATION; NANOFIBERS;

D O I：

10.3390/chemosensors9060127

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

H2S gas is a toxic and hazardous byproduct of the oil and gas industries. It paralyzes the olfactory nerves, with concentrations above 100 ppm, resulting in loss of smell; prolonged inhalation may even cause death. One of the most important semiconducting metal oxides for the detection of H2S is CuxO (x = 1, 2), which is converted to CuxS upon exposure to H2S, leading to a remarkable modulation in the resistance and appearance of an electrical sensing signal. In this review, various morphologies of CuxO in the pristine form, composites of CuxO with other materials, and decoration/doping of noble metals on CuxO nanostructures for the reliable detection of H2S gas are thoroughly discussed. With an emphasis to the detection mechanism of CuxO-based gas sensors, this review presents findings that are of considerable value as a reference.

引用

页数：20

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