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Synthesis of Pd/SnO2 films by wet chemical route for LPG sensor

Published online by Cambridge University Press:  06 May 2008

S. Majumder ,
S. Dalui ,
R. Bhar  and
A. K. Pal
S. Majumder
Affiliation:
Department of Instrumentation Science, USIC Building, Jadavpur University, Calcutta - 700 032, India
S. Dalui
Affiliation:
Department of Instrumentation Science, USIC Building, Jadavpur University, Calcutta - 700 032, India
R. Bhar
Affiliation:
Department of Instrumentation Science, USIC Building, Jadavpur University, Calcutta - 700 032, India
A. K. Pal*
Affiliation:
Department of Instrumentation Science, USIC Building, Jadavpur University, Calcutta - 700 032, India
*
[email protected]
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Abstract

Pd/SnO2 composite films were obtained by wet chemical route using SnCl2:2H2O as tin containing precursor and PdCl2 as palladium containing precursor. The bilayer structures were subjected to rapid thermal annealing for the incorporation of Pd in SnO2 matrix. Pd/Sn was varied between 6 to 20% for optimizing the Pd concentration for improved sensitivity. Liquid Petroleum Gas (LPG) sensing properties were also investigated. The films thus obtained were subjected optical, microstructural, FTIR and Raman studies both before and after LPG exposure.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 42 , Issue 3 , June 2008 , pp. 193 - 202
Copyright
© EDP Sciences, 2008

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