Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 179, Issue 4, Pages 1214-1218Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2006.01.024
Keywords
layered perovskite; photocatalysts; water splitting
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Nearly complete substitution of lead into layered perovskites is a generic method of visible light sensitization for these ultraviolet (UV)-active materials. Thus, CaBi4Ti4O15 (Aurivillius phase), K0.5La0.5Ca1.5Nb3O10 (Dion-Jacobson phase), and Sr3Ti2O7 (Ruddlesden-Popper phase) are photocatalysts, all working under UV light, but their analogs containing lead (PbBi4Ti4O15, K0.5La0.25Bi0.25Ca0.75Pb0.75Nb3O10, and PbTiO3) absorb visible light and exhibit photocatalytic activity of decomposition of water under visible light. (c) 2006 Elsevier Inc. All rights reserved.
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