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|Title:||Visible light induced oxidation of water by rare earth manganites, cobaltites and related oxides|
|Authors:||Naidu, B. S.|
Rao, C. N. R.
Atomic, Molecular & Chemical Physics
|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
|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.|
|Appears in Collections:||Research Papers (Prof. C.N.R. Rao)|
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