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Room-temperature chlorine gas sensor based on CdSnO_(3) synthesized by hydrothermal process

房间温度氯气体传感器由热水的过程基于 CdSnO3 综合了

作     者:Xiaohua ZHAO Zhenzhen LI Xiangdong LOU Meng LI Ning ZHANG 

作者机构:School of Chemistry and Chemical EngineeringHenan Normal UniversityXinxiang 453007China 

出 版 物:《Journal of Advanced Ceramics》 (先进陶瓷(英文))

年 卷 期:2013年第2卷第1期

页      面:31-36页

核心收录:

学科分类:08[工学] 0805[工学-材料科学与工程(可授工学、理学学位)] 080502[工学-材料学] 

基  金:This project is supported by the Natural Science Foundation of Henan Provincial Education Department China(Grant Nos.2008B43001 and 2010B150017) 

主  题:chlorine gas sensor room temperature CdSnO_(3) hydrothermal process 

摘      要:The perovskite-structure CdSnO_(3) was obtained by calcinating CdSnO_(3)·3H_(2)O precursor at 550℃,which was synthesized by hydrothermal process at 170℃for 16 *** phase and microstructure of the obtained CdSnO_(3) powders were characterized by X-ray diffraction(XRD),scanning electron microscopy(SEM)and transmission electron microscopy(TEM).The CdSnO_(3) powders exhibit uniformly cubic structure with side length of about 100 *** effects of working temperature and concentration of detected gas on the gas response were *** selectivity of chlorine gas against other gases and response-recovery time of the sensor were also *** results reveal that the CdSnO_(3) gas sensor has enhanced sensing properties to 1-10 ppm chlorine gas at room temperature;the value of gas response can reach 1338.9 to 5 ppm chlorine ***,the sensor shows good selectivity and quick response behavior(23 s)to chlorine gas,indicating its application in detecting chlorine gas at room temperature in the future.

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