V-doped In2O3 nanofibers for H2S detection at low temperature

被引：55

作者：

Liu, Juan ^{[1
]}

Guo, Wenbin ^{[1
]}

Qu, Fengdong ^{[1
]}

Feng, Caihui ^{[3
]}

Li, Chao ^{[1
]}

Zhu, Linghui ^{[1
]}

Zhou, Jingran ^{[1
]}

Ruan, Shengping ^{[2
]}

Chen, Weiyou ^{[2
]}

机构：

[1] Jilin Univ, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China

[2] Jilin Univ, Coll Elect Sci & Engn, Changchun 130012, Peoples R China

[3] Jilin Univ, Coll Instrument Sci & Elect Engn, Changchun 130012, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2014年 / 40卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Sensor; Electrospinning; V-doped In2O3; Nanofibers; H2S; CHEMICAL-VAPOR-DEPOSITION; OXIDE THIN-FILM; CARBON NANOTUBES; GAS SENSOR;

D O I：

10.1016/j.ceramint.2013.11.129

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Pristine and vanadium-doped In2O3 nanofibers were fabricated by electrospinning and their sensing properties to H2S gas were studied. X-ray diffractometry (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were used to investigate the inner structure and the surface morphology. The H2S-sensing performances were characterized at different temperatures ranging from 50 to 170 degrees C. The sensor based on 6 mol% V-doped In2O3 nanofibers exhibit the highest response, i.e. 13.9-50 ppm H2S at the relatively low temperature of 90 degrees C. In addition, the fast response (15 s) and recovery (18 s) time, and good selectivity were observed. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：6685 / 6689

页数：5

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