LI Fuan, ZOU Jie, JIN Han, et al. Research on sensor array based on temperature and voltage regulation[J]. 2020, (3): 42-45+49. DOI: 10.13873/J.1000-9787(2020)03-0042-04.
基于温度和电压调控的传感器阵列研究
摘要
考虑到电化学传感器可以通过改变其工作温度和偏执电压提高其对特定目标气体的响应选择性
构建了一种单一敏感电极电化学传感器
通过调控其工作温度和偏置电压
得到该传感器对待测有害气体C
3
H
6
CO和NO
2
的响应模式。结果表明:通过改变传感器的工作温度和偏置电压可以明显地改变其对待测有害气体的电催化行为
从而得到不同的响应模式
并结合主成份分析(PCA)算法
对这些待测有害气体实现有效识别。
Abstract
In view of the response selectivity for electrochemical sensors can be increased by the applied bias voltage and operating temperature
a single sensitive electrode electrochemical sensor is constructed
by controlling bias voltage and operating temperature of sensor
response model of the sensor to examine hazardous gases
CO
C
3
H
6
and NO
2
is obtained. Research results indicate that by changing bias voltage and operating temperature can remarkably change the electrocatalytic activity to each hazard gas
so as to obtain different response mode
and combining with principle component analysis( PCA) algorithm