NDLI: Synthesis of highly active rhodium-doped SrTiO<sub>3</sub> powders in <i>Z</i>-scheme systems for visible-light-driven photocatalytic overall water splitting

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Journal of Materials Chemistry A Vol - 1 Issue - 29

Journal of Materials Chemistry A Vol - 1 Issue - 19

Journal of Materials Chemistry A Vol - 1 Issue - 9

Journal of Materials Chemistry A Vol - 1 Issue - 8

Journal of Materials Chemistry A Vol - 1 Issue - 7

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Synthesis of highly active rhodium-doped SrTiO₃ powders in Z-scheme systems for visible-light-driven photocatalytic overall water splitting

Content Provider	Royal Society of Chemistry (RSC)
Author	Kato, Hideki Shirakura, Nana Kudo, Akihiko Sasaki, Yasuyoshi
Copyright Year	2013
Abstract	Two-step excitation photocatalytic systems called Z-scheme systems are attractive to achieve overall water splitting under visible light irradiation. The low activity of SrTiO3:Rh as a H2-evolving photocatalyst suppresses the overall efficiency of the Z-scheme system composed of SrTiO3:Rh modified with a Pt or Ru cocatalyst, BiVO4, and an Fe3+/Fe2+ electron mediator. In this study, improvement of efficiency for water splitting over the Z-scheme system has been achieved through the preparation of highly efficient SrTiO3:Rh photocatalysts by hydrothermal and polymerizable complex methods. It has also been revealed that excess amounts of Sr are necessary to obtain highly active SrTiO3:Rh photocatalysts. Apparent quantum yields of the Z-scheme systems were improved from 0.4% to 3.9–4.2% at 420 nm when SrTiO3:Rh prepared by HT and PC methods was used as a H2-evolving photocatalyst instead of that prepared by a solid state reaction. The efficiency of the improved Z-scheme system for solar energy conversion was determined to be 0.1%.
Starting Page	12327
Ending Page	12333
Page Count	7
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	1
Issue Number	39
Journal	Journal of Materials Chemistry A
DOI	10.1039/c3ta12803b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Light-dependent reactions Water splitting Photocatalysis Hydrothermal circulation Quantum Personal computer Solar energy
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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Microwave-Assisted Hydrothermal Synthesis of SrTiO3:Rh for Photocatalytic Z-scheme Overall Water Splitting

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Facile preparation of semimetallic MoP₂ as a novel visible light driven photocatalyst with high photocatalytic activity

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