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Title: Single-step synthesis and structural study of phosphate modified titania through seeding method
Authors: Raj, K Joseph Antony
Elangovan, T
Viswanathan, B
Keywords: Catalyst;Mesoporous phosphated titania;Phosphated titania;Titania;Titanium oxysulphate;Seeding method
Issue Date: May-2012
Publisher: NISCAIR-CSIR, India
Abstract: A single-step organic-free process has been evolved to prepare phosphate-modified titania, a nanomaterial, from titanium oxysulphate solution. The adsorption of phosphate ions from aqueous solution onto titania has been studied by XRD, XPS, and DRIFT which show strong adsorption of phosphate, as Ti-O-P on the surface of titania. An increase in crystallinity and decrease in surface area are observed with calcination temperature. XPS results reveal a pentavalent oxidation state for P and the substitution of P for oxygen. The phosphate-modified titania displays good thermal stability, an essential property required for the application as catalyst and active support.
Page(s): 676-680
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.51A(05) [May 2012]

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