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Gas Sensing Properties of Tin Oxide Powder Synthesized in the Presence of Surfactants

Published online by Cambridge University Press:  15 February 2011

Kiran Jain ,
A.K. Srivastava ,
R.K. Saxena  and
K. Ramesh
Kiran Jain
Affiliation:
Electronic Materials Division
A.K. Srivastava
Affiliation:
Materials Characterization Division National Physical Laboratory, New Delhi-110012, India
R.K. Saxena
Affiliation:
Materials Characterization Division National Physical Laboratory, New Delhi-110012, India
K. Ramesh
Affiliation:
Department of Physics, Indian Institute of Sciences, Banglore, India
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Abstract

Nanocrystalline tin oxide powder was prepared using a solution precipitation technique after adding the surfactant sodium bis (2-ethylhexyl) sulfosuccinate (AOT). Powders were characterized using X-ray diffraction (XRD), surface area (BET) and transmission electron microscopy (TEM). The gas sensitivity for surfactant added powders increased for liquid petroleum gas (LPG) as well as compressed natural gas (CNG), due to the decreased particle size and the increased surface area. The LPG gas sensitivity increased several times using phosphorus treated surfactant AOT.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 876: Symposium A – Nanoporous and Nanostructured Materials for Catalysis, Sensor and Gas Separation Applications , 2005 , R8.4
Copyright
Copyright © Materials Research Society 2005

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