Humidity sensing properties of nafion and sol-gel derived SiO2/Nafion composite thin films

被引:179
作者
Feng, CD [1 ]
Sun, SL [1 ]
Wang, H [1 ]
Segre, CU [1 ]
Stetter, JR [1 ]
机构
[1] IIT, DEPT BIOL CHEM & PHYS SCI, CHICAGO, IL 60616 USA
关键词
humidity sensor; Nafion; sol-gel process; composite materials; impedance analysis;
D O I
10.1016/S0925-4005(97)80265-1
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Nafion, sol-ger derived SiO2 and SiO2/Nafion composite films were prepared through casting and dip-coating methods. Impedance response of the films to relative humidity and the stability of the response against different aging environments were examined. The response to relative humidity of each film was analyzed with their complex impedance spectra at different humidities. (C) 1997 Elsevier Science S.A.
引用
收藏
页码:217 / 222
页数:6
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