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Hydrogen and oxygen evolution photocatalysts synthesized from strontium titanate by controlled doping and their performance in two-step overall water splitting under visible light

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Title: Hydrogen and oxygen evolution photocatalysts synthesized from strontium titanate by controlled doping and their performance in two-step overall water splitting under visible light
Authors: Hara, Shoichi Browse this author
Yoshimizu, Masaharu Browse this author
Tanigawa, Satoshi Browse this author
Ni, Lei Browse this author
Ohtani, Bunsho Browse this author →KAKEN DB
Irie, Hiroshi Browse this author
Issue Date: 23-Aug-2012
Publisher: American Chemical Society
Journal Title: Journal of physical chemistry. C
Volume: 116
Issue: 33
Start Page: 17458
End Page: 17463
Publisher DOI: 10.1021/jp306315r
Abstract: A visible-light-induced two-step overall water splitting was achieved by combining two types of photocatalysts prepared by introducing foreign elements into the identical mother structure with a controlled electronic band structure. Strontium titanate (SrTiO3) was selected as the mother structure and was doped with either vanadium (and sodium) or rhodium to introduce visible light sensitivity. By utilizing these two types of SrTiO3-based photocatalysts, simultaneous liberation of hydrogen (H2) and oxygen (O2) with a molar ratio of 2:1 was achieved in the presence of iodate ion (IO3–)/iodide ion (I–) as a redox mediator under irradiation with only visible light (>420 nm).
Type: article
URI: http://hdl.handle.net/2115/52798
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大谷 文章

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