Please use this identifier to cite or link to this item: http://lib.jncasr.ac.in:8080/jspui/handle/10572/2350
Title: Visible light induced oxidation of water by rare earth manganites, cobaltites and related oxides
Authors: Naidu, B. S.
Gupta, Uttam
Maitra, Urmimala
Rao, C. N. R.
Keywords: Physical Chemistry
Atomic, Molecular & Chemical Physics
Oxygen-Evolving Catalysts
Structural Requirements
Manganese Oxides
Efficient
Evolution
Challenges
Principles
Issue Date: 2014
Publisher: Elsevier Science Bv
Citation: Naidu, BS; Gupta, U; Maitra, U; Rao, CNR, Visible light induced oxidation of water by rare earth manganites, cobaltites and related oxides. Chemical Physics Letters 2014, 591, 277-281, http://dx.doi.org/10.1016/j.cplett.2013.10.089
Chemical Physics Letters
591
Abstract: A study of the visible light induced oxidation of water by perovskite oxides of the formula LaMO3 (M = transition metal) has revealed the best activity with LaCoO3 which contains Co3+ in the intermediate-spin (IS) with one e(g) electron. Among the rare earth manganites, only orthorhombic manganites with octahedral Mn3+ ions exhibit good catalytic activity, but hexagonal manganites are poor catalysts. Interestingly, not only the perovskite rare earth cobaltites but also solid solutions of Co3+ in cubic rare earth sesquioxides exhibit catalytic activity comparable to LaCoO3, the Co3+ ion in all these oxides also being in the IS t(2g)(5)e(g)(1) state. (C) 2013 Elsevier B. V. All rights reserved.
Description: Restricted Access
URI: http://hdl.handle.net/10572/2350
ISSN: 0009-2614
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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