A CuO/TiO2 Heterojunction Based CO Sensor with High Response and Selectivity

被引：0

作者：

Wei Wei ^{[1
]}

Huanhuan Zhang ^{[1
]}

Tiyue Tao ^{[1
]}

Xiaohong Xia ^{[1
]}

Yuwen Bao ^{[1
]}

Manon Louren?o ^{[1
]}

Kevin Homewood ^{[1
]}

Zhongbing Huang ^{[1
]}

Yun Gao ^{[1
]}

机构：

[1] Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, School of Materials Science & Engin

来源：

Energy & Environmental Materials | 2023年 / 03期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TB383.2 []; TP212 [发送器（变换器）、传感器];

学科分类号：

070205 ; 080202 ; 080501 ; 1406 ;

摘要：

The use of heterojunctions is a promising solution to the problem of crosssensitivity in gas sensors.In this work,a carbon monoxide sensor based on the CuO/TiO2heterojunction was designed and fabricated.Due to the good adsorption properties of CuO materials to CO,and the heterojunction interface charge transfer,the CuO/TiO2thin film sensor exhibits high sensitivity to CO at room temperature.The response is as high as 10.8-200 ppm CO,about 10 times its response to H2.Interference from H2is greatly reduced by optimizing the structure of the CuO/TiO2heterojunction.This reliable detection of carbon monoxide with excellent discrimination against H2is of great significance for the development of CO gas sensors.

引用

页码：413 / 420

页数：8

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