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Substitution Effect on the Photocatalytic Degradation by the Series AxBi26-xMo10O68+0.5y (A = Ba, y = 0; A = Bi, La, y 2):A Kinetic Study

Muktha, B and Aarthi, T and Madras, Giridhar and Row, Guru TN (2006) Substitution Effect on the Photocatalytic Degradation by the Series AxBi26-xMo10O68+0.5y (A = Ba, y = 0; A = Bi, La, y 2):A Kinetic Study. In: Journal Of Physical Chemistry B, 110 (21). pp. 10280-10286.

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Abstract

The compounds Ba2Bi24Mo10O68 and La2Bi24Mo10O69 were synthesized by the ceramic route and characterized by single crystal and powder X-ray diffraction, respectively. The structure of these phases is isostructural with that of Bi26Mo10O69. Along the b axis columns of [Bi12O14] units are separated by MoO4 tetrahedra and noncolumnar A (A = Ba, La) atoms. UV-visible spectra of Bi26Mo10O69, Ba2Bi24Mo10O68, and La2Bi24Mo10O69 suggest that band gap decreases on substitution of La and Ba for Bi at the noncolumnar site. The photocatalytic degradation of water pollutants such as phenol and substituted phenols was studied. All the catalysts show specificity toward nitro substituent at the para position in the aromatic ring.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Chemical Society.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Division of Mechanical Sciences > Chemical Engineering
Date Deposited: 09 Apr 2009 11:37
Last Modified: 22 Feb 2012 06:19
URI: http://eprints.iisc.ernet.in/id/eprint/18483

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