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Title: Synthesis and characterization of Pt supported on Fe5(PO4)3(OH)5 catalysts
Authors: Kumar, P Anil
Padmasri, A Hari
Kumar, S Naveen
Venugopal, A
Singh, Sooboo
Keywords: Catalysts;Supported catalysts;Reduction;Oxidation;Iron hydroxyphosphate;Photoelectron spectroscopy
Issue Date: 19-Apr-2014
Abstract: Pt supported on iron hydroxyphosphate catalysts has been synthesized and characterized by various adsorption and spectroscopic methods. X-ray diffraction patterns of the supported and unsupported catalysts indicate a very weak diffraction line due to the Fe5(PO4)3(OH)5 phase. The X-ray photoelectron spectroscopic studies reveal a surface composition attributed to Fe5(PO4)3(OH)5 species. The temperature programmed sequential reduction-oxidation-reduction of 1wt.% Pt/Fe5(PO4)3(OH)5 indicates the absence of H2 spillover due to Pt on the Fe5(PO4)3(OH)5 support. The temperature programmed reduction studies also show the non-reducible behavior of Fe5(PO4)3(OH)5 phase.
Page(s): 566-571
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.53A(04-05) [April-May 2014]

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