Electrical and humidity-sensing properties of 1-(4-carboxylic acid phenyl)-2,5-dimethyl-1H-pyrrole doped with both KOH and K₂CO₃ salts

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• 作者：Pi-Guey Su ; ^{spg@faculty.pccu.edu.tw} ; ^{spg@ulive.pccu.edu.tw}Author Vitae ; Hong-Ci SyuAuthor Vitae
• 关键词：Humidity sensor ; N-substituted pyrrole derivative ; KOH ; K2CO3 ; Sensitivity and linearity
• 刊名：Sensors and Actuators B: Chemical
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：240
• 期：Complete
• 页码：595-603
• 全文大小：2341 K
• 卷排序：240

文摘

The process described herein for fabricating impedance-type humidity sensors is simple and reduces labor cost. Novel humidity-sensing material was fabricated based on 1-(4-carboxylic acid phenyl)-2,5-dimethyl-1H-pyrrole that was doped with alkali salts or a mixture of KOH and K2CO3. Impedance, sensitivity and linearity of 1-(4-carboxylicacidphenyl)-2,5-dimethyl-1H-pyrrole can be modified by the added alkali salts or a mixture of KOH and K2CO3, making it suitable for use at low humidity.