CLATHRATES AS COATING MATERIALS FOR DIELECTRIC TRANSDUCERS WITH REGARD TO ORGANIC-SOLVENT VAPOR SENSORS

被引：6

作者：

BUHLMANN, K ^{[1
]}

REINBOLD, J ^{[1
]}

CAMMANN, K ^{[1
]}

SHULGA, AA ^{[1
]}

SUNDERMEIER, C ^{[1
]}

KNOLL, M ^{[1
]}

WIERIG, A ^{[1
]}

WEBER, E ^{[1
]}

机构：

[1] TECH UNIV BERGAKAD FREIBERG,INST ORGAN CHEM,D-09596 FREIBERG,GERMANY

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1995年 / 26卷 / 1-3期

关键词：

CLATHRATES; DIELECTRIC TRANSDUCERS; GAS SENSORS;

D O I：

10.1016/0925-4005(94)01578-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The interdigitated capacitor using 2,2'-bis(9-hydroxy-9-fluorenyl)biphenyl (1) as inclusion host, embedded in a polymer matrix (polyvinyl chloride with a plasticizer) as coating material, shows a sensitivity to organic solvent vapours, The sensitivity depends on the host compound contents in the membrane. The best results have been obtained for the PVC membrane containing 27% 1 and 57% 2-fluorophenyl 2 2-nitrophenyl ether as plasticizer. The sensor demonstrates reproducible, reversible responses with a response time of 1-2 min when exposed to vapours of dichloromethane and tetrachloroethylene with concentrations in the range 0.05-3.5 vol.%, while being about 10 times more sensitive to tetrachloroethylene.

引用

页码：158 / 161

页数：4

共 10 条

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