Piezoresistive SU-8 Cantilever With Fe(III)Porphyrin Coating for CO Sensing
DSpace at IIT Bombay
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Title |
Piezoresistive SU-8 Cantilever With Fe(III)Porphyrin Coating for CO Sensing
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Creator |
REDDY, CVB
KHADERBAD, MA GANDHI, S KANDPAL, M PATIL, S CHETTY, KN RAJULU, KG CHARY, PCK RAVIKANTH, M RAO, VR |
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Subject |
Cantilevers
carbon monoxide iron porphyrin piezoresistance sensor CARBON-MONOXIDE SENSOR GAS SENSORS FUEL-CELL PORPHYRIN |
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Description |
Carbon monoxide detection is required for various healthcare, environmental, and engineering applications. In this paper, 5,10,15,20-tetra (4,5-dimethoxyphenyl)-21H,23H-porphyrin iron(III) chloride (Fe(III)porphyrin) coated on a piezoresistive SU-8 microcantilever has been used as a CO sensor. Rapid detection of CO down to 2 ppm has been observed with aforementioned sensors. Cantilevers without Fe(III)porphyrin have not responded to CO exposure. Fe(III)porphyrin-coated cantilever selectivity toward CO has been analyzed by measuring the sensor response to various gases such as N-2, CO2, O-2, ethanolamine, N2O, and moisture. The sensor has exhibited a fast response and recovery times and is fully recoverable after repeated exposures.
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Publisher |
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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Date |
2014-10-15T11:46:57Z
2014-10-15T11:46:57Z 2012 |
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Type |
Article
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Identifier |
IEEE TRANSACTIONS ON NANOTECHNOLOGY, 11(4)701-706
http://dx.doi.org/10.1109/TNANO.2012.2190619 http://dspace.library.iitb.ac.in/jspui/handle/100/14824 |
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Language |
en
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