NDLI: Synthesis and characterization of the Pt/SiO2 nanocomposite by the sol-gel method

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Synthesis and characterization of the Pt/SiO2 nanocomposite by the sol-gel method

Content Provider	Semantic Scholar
Author	Salabata, A. Baratib, Asghar
Copyright Year	2012
Abstract	Synthesis and characterization of the Pt/SiO2 nanocomposite by the sol-gel method A. Salabat , A. Barati, N. Banijamali a.Department of Chemistry, Arak University, P.O. Box 38156-8-8349, Arak, Iran b Department of Chemical Engineering, Arak University, P.O. Box 38156-8-8349, Arak, Iran Abstract The silica supported platinum nanoparticles was synthesized by using the sol-gel method. The possibility of using diamminedinitro platinum(II) as Pt precursor and effect of metal precursor concentration on the final Pt nanoparticle size was investigated. A stable silica sol was prepared via hydrolysis of tetraethyl orthosilicate (TEOS) as a metal alchoxide and condensation reaction. Subsequently, diamminedinitro platinum (II) was added to sol to form the Pt/silica sol. After drying and calcination of the sol, the Pt/SiO2 nanocpmposite has been obtained. Crystallographic information and crystalline size of the synthesized Pt/SiO2 were determined by X-ray diffraction (XRD) method. Morphology of the nanoparticles and hydrogen-bonding interaction between silanol groups and amine ligands were characterized by SEM and Fourier transform infrared (FTIR) spectra, respectively. Transmission Electron Microscopy (TEM) was employed in evaluating the distribution and size of the platinum nanoparticles in the silica. 2012 JNS All rights reserved Article history: Received 25/8/2011 Accepted 17/12/2011 Published online 1/1/2012
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://jns.kashanu.ac.ir/article_5238_a68224f166f7cc1be1edc2c748d0dc42.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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