Highly crystalline NaBiTiO of a photocatalyst valence-band-controlled with Bi(III) for solar water splitting.

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2020
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Abstract
Na0.5Bi0.5TiO3 (BG 3.1 eV) with a valence band formed by Bi(iii) was found as a new photocatalyst for solar water splitting. The water splitting activity of highly crystalline Na0.5Bi0.5TiO3 synthesized by a flux method was much higher than that of the samples synthesized by a solid-state reaction. The optimized RhCr2Ox(0.1 mol%)/Na0.5Bi0.5TiO3/CoOOH(0.02 mol%) gave a 5.1% apparent quantum yield at 350 nm and split water even under simulated sunlight irradiation with a 0.05% solar to hydrogen energy conversion efficiency. We have successfully achieved solar water splitting using a one-step photoexcitation type photocatalyst valence-band-controlled with Bi(iii).
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watanabe2020highlychemical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Watanabe, Kenta;Iikubo, Yoichi;Yamaguchi, Yuichi;Kudo, Akihiko;
Journal Chemical communications (Cambridge, England)
Year 2020
DOI
10.1039/d0cc07371g
URL
Keywords
catalytic oxidation flue gas treatment gas-phase oxidation liquid-phase oxidation no oxidation

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