Studies on the Synthesis and Characterization of Pd-TiO(2)-SiO(2) Nanocomposite for Electroanalytical Applications

A nanocomposite of Pd-TiO(2)-SiO(2) is developed through a sol-gel process from the reaction products of titanium isopropoxide followed by mixing the same with palladium linked 3-glycidoxypropyltrimethoxysilane. The reaction product is sonicated and calcinated to obtain the nanocomposite of Pd-TiO(2...

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Bibliographic Details
Published inElectroanalysis (New York, N.Y.) Vol. 23; no. 8; pp. 1991 - 1997
Main Authors Pandey, P C, Prakash, Arvind
Format Journal Article
LanguageEnglish
Published 01.08.2011
Subjects
Linearity
Nanocomposites
Nanomaterials
Nanostructure
Palladium
Phosphates
Reaction products
Silver
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Summary:A nanocomposite of Pd-TiO(2)-SiO(2) is developed through a sol-gel process from the reaction products of titanium isopropoxide followed by mixing the same with palladium linked 3-glycidoxypropyltrimethoxysilane. The reaction product is sonicated and calcinated to obtain the nanocomposite of Pd-TiO(2)-SiO(2). The calcination at 600 degree C yielded an amorphous structure whereas at 900 degree C it resulted into a nanocrystalline structure. The nanocomposite of palladium was further characterized by TEM, XRD, IR and EDS. The material acts as an efficient electrocatalyst. Electro-catalysis of ascorbic acid is observed at 0.1 V vs. Ag/AgCl, shows linearity between 1 mu M and 1 mM in 0.1 M phosphate buffer (pH 7.0).
Bibliography:ObjectType-Article-2
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content type line 23
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ISSN:1040-0397
DOI:10.1002/elan.201100083