Highly sensitive gas sensor based on stabilized zirconia and CdMoO4 sensing electrode for detection of acetone

被引：35
|
作者：
Liu, Fangmeng [2 ]
Ma, Ce [2 ]
Hao, Xidong [2 ]
Yang, Chunhua [3 ]
Zhu, Hongqiu [3 ]
Liang, Xishuang [1 ,2 ]
Sun, Peng [2 ]
Liu, Fengmin [2 ]
Chuai, Xiaohong [2 ]
Lu, Geyu [1 ,2 ]
机构：
[1] Jilin Univ, State Key Lab Automot Simulat & Control, 5988 Renmin Ave, Changchun 130012, Peoples R China
[2] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, 2699 Qianjin St, Changchun 130012, Peoples R China
[3] Cent S Univ, Sch Informat Sci & Engn, Changsha 410083, Hunan, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2017年 / 248卷
关键词：
Acetone sensor; CdMoO4; YSZ; Mixed potential; VOLATILE ORGANIC-COMPOUNDS; ELECTROCHEMICAL PROPERTIES; SOLID-ELECTROLYTE; NH3; SENSOR; PERFORMANCE; YSZ; NO2; CO; TEMPERATURE;
D O I：
10.1016/j.snb.2017.03.133
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A highly sensitive mixed potential type gas sensor based on stabilized zirconia (YSZ) and CdMoO4 sensing electrode (SE) was developed and used for detection of acetone at 625 degrees C. By comparing the sensing performance for different devices fabricated, the sensor utilizing CdMoO4-SE exhibited the highest response value (-133.5 mV) to 100 ppm acetone at 625 degrees C, and even could achieve low detection limit of 500 ppb at 625 degrees C. The sensor attached with CdMoO4-SE displayed high sensitivity of -84 mV/decade to acetone in the range of 5-300 ppm at 625 degrees C. The present device also showed good repeatability, selectivity to certain deleterious gases, moisture resistance and acceptable drifts in 10 days measured period at 625 degrees C, demonstrating great potential for practical application in acetone sensing detection. Additionally, the sensor involving mixed potential mechanism was proposed and further clarified by polarization curve. (C) 2017 Published by Elsevier B.V.
引用
收藏
页码：9 / 18
页数：10
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