Gold supported calcium deficient hydroxyapatite for room temperature co oxidation

Enkoda, L R and A, Prabhakarn and J, Karuppiah and N, Rameshbabu and Ch, Subrahmanyam (2012) Gold supported calcium deficient hydroxyapatite for room temperature co oxidation. International Journal of Nanoscience, 11. pp. 1-7. ISSN 0219-581X

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Abstract

Gold supported hydroxyapatite (HA) and calcium deficient hydroxyapatite (CDHA) was studied for the room temperature CO oxidation. Nanostructured gold catalyst has been prepared by deposition precipitation method, whereas HA was synthesized by microwave synthesis. Inorder to understand the influence of surface properties of HA, support HA was synthesized with different Ca/P ratios (1.67, 1.62, 1.57, 1.534 and 1.5). The gold supported catalysts were characterized by XRD, BET, ICP-OES and TEM. Typical results indicate that gold supported 1.57 HA shows higher activity compared to other HA catalysts (1.67, 1.62, 1.534 and 1.5) which may be due to the presence of optimum number of acidic and basic sites

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IITH Creators:
IITH CreatorsORCiD
Ch, SubrahmanyamUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Au loading; Calcium deficient hydroxyapatite; CO oxidation; nanosized
Subjects: ?? sub5.8 ??
Divisions: Department of Chemistry
Depositing User: Team Library
Date Deposited: 17 Nov 2014 13:36
Last Modified: 12 Jun 2015 08:43
URI: http://raiith.iith.ac.in/id/eprint/760
Publisher URL: http://dx.doi.org/10.1142/S0219581X12400042
OA policy: http://www.sherpa.ac.uk/romeo/issn/0219-581X/
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