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Content Provider | IEEE Xplore Digital Library |
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Author | Dudhe, R.S. Seena, V. Mukherji, S. Kumar, A. Rao, R. |
Copyright Year | 2009 |
Description | Author affiliation: Department of Chemistry, Indian Institute of Technology Bombay Mumbai 400076 INDIA (Kumar, A.) || School of Bio-sciences & Engineering, Indian Institute of Technology Bombay Mumbai 400076 INDIA (Mukherji, S.) || Center for Excellence in Nanoelectronics, Department of Electrical Engineering, Indian, Institute of Technology Bombay Mumbai 400076 INDIA (Dudhe, R.S.; Seena, V.; Rao, R.) |
Abstract | Organic field effect transistors and polymer microcantilevers are two different classes of organic sensors with potential applications in biochemical sensing. Organic field effect transistors based on poly (3-hexylthiophene) and CuII tetraphenylporphyrin composite were investigated as sensors for detection of vapors of nitrobased explosive compounds. Significant changes, suitable for sensor response, were observed in transistor -on∥ current (Ion) and conductance (S) after exposure. A similar device response was, however, not observed for oxidizing agents such as benzoquinone and benzophenone. Polymer microcantilevers offer a sensitive cost effective platform for explosive gas detection. These sensors with optical and electrical transduction mechanisms were designed and fabricated using SU-8 polymer and they are further functionalized with appropriate coating for explosive detection. Optical and electrical responses of respective microcantilevers to TNT vapors are also reported here. |
Starting Page | 1 |
Ending Page | 6 |
File Size | 678472 |
Page Count | 6 |
File Format | |
ISBN | 9781424450732 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-12-14 |
Publisher Place | India |
Access Restriction | Subscribed |
Rights Holder | CODEC |
Subject Keyword | Particle beam optics Biomedical optical imaging Costs OFET Polymer composite cantilever CuTPP RDX Polymer films P3HT SU-8 Optical polymers Optical design Explosive detection OFETs Microcantilever Explosives TNT Biosensors Optical sensors |
Content Type | Text |
Resource Type | Article |
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