期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 98, 期 2-3, 页码 204-207出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2003.10.007
关键词
organic thin-film-transistors; OTFT gas sensors; regioregular polythiophenes; alkoxyl chains; ethanol sensor
Dipentoxy substituted polyterthiophene thin films are proposed as active layer in organic thin-film-transistor device configuration. Results on their use also as alcohol sensing layers both in a thin-film-transistor (TFT) and in a quartz crystal microbalance (QCM) configuration are presented. Responses to 1-hexanol and ethanol molecules are very fast, extremely reversible and the best extrapolated sensitivities are as good as 0.7 ng/ppm. Device performance and sensing mechanisms are also discussed. (C) 2003 Elsevier B.V All rights reserved.
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