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Piezoresistive SU-8 Cantilever With Fe(III)Porphyrin Coating for CO Sensing

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Title Piezoresistive SU-8 Cantilever With Fe(III)Porphyrin Coating for CO Sensing
 
Creator REDDY, CVB
KHADERBAD, MA
GANDHI, S
KANDPAL, M
PATIL, S
CHETTY, KN
RAJULU, KG
CHARY, PCK
RAVIKANTH, M
RAO, VR
 
Subject Cantilevers
carbon monoxide
iron porphyrin
piezoresistance
sensor
CARBON-MONOXIDE SENSOR
GAS SENSORS
FUEL-CELL
PORPHYRIN
 
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.
 
Publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
 
Date 2014-10-15T11:46:57Z
2014-10-15T11:46:57Z
2012
 
Type Article
 
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
 
Language en