Humidity Sensors Based on 3D Porous Polyelectrolytes via Breath Figure Method

被引：23
作者：
Dai, Jianxun [1 ,2 ]
Zhao, Hongran [1 ]
Lin, Xiuzhu [1 ]
Liu, Sen [1 ]
Fei, Teng [1 ,2 ]
Zhang, Tong [1 ]
机构：
[1] Jilin Univ, State Key Lab Integrated Optoelect, Coll Elect Sci & Engn, Changchun 130012, Jilin, Peoples R China
[2] State Key Lab Transducer Technol, Shanghai 200050, Peoples R China
来源：
ADVANCED ELECTRONIC MATERIALS | 2020年 / 6卷 / 01期
关键词：
3D porous polymers; breath figure method; humidity sensors; polyelectrolytes; CROSS-LINKED POLYELECTROLYTE; FACILE FABRICATION; SENSING PROPERTIES; NANOCOMPOSITE; COPOLYMERS; COMPOSITE; FILMS; ACID;
D O I：
10.1002/aelm.201900846
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A 3D porous P4VP film prepared via breath figure (BF) is used for quaternization to synthesize humidity-sensitive polyelectrolytes. By combining the BF method, gaseous crosslinking, and screen-printed electrodes, humidity sensors with good stability and a fast response to humidity change are obtained, thus making them possible for application in human breath monitoring. The water molecule adsorption of the porous polymer under different RHs is investigated using a quartz crystal microbalance. Cole-Cole plots and ionic conductivity change show that these devices function as humidity sensors under different humidity atmospheres.
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页数：7
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