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

Hara, Shoichi; Yoshimizu, Masaharu; Tanigawa, Satoshi et al.

Journal of physical chemistry. C, 2012, 116(33), 17458-17463

Permalink : https://hdl.handle.net/2115/52798

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アクセス権
open access
URI
https://hdl.handle.net/2115/52798
タイトル
Hydrogen and oxygen evolution photocatalysts synthesized from strontium titanate by controlled doping and their performance in two-step overall water splitting under visible light
著者
Hara, Shoichi ; Yoshimizu, Masaharu ; Tanigawa, Satoshi ; Ni, Lei ; Ohtani, Bunsho ; Irie, Hiroshi
著者名
Hara, Shoichi
著者名
Yoshimizu, Masaharu
著者名
Tanigawa, Satoshi
著者名
Ni, Lei
e-Rad_Researcher
80176924
著者名
Ohtani, Bunsho
著者名
Irie, Hiroshi
言語
英語
発行日
2012-08-23
出版者
American Chemical Society
収録物名
Journal of physical chemistry. C
巻(号)
116(33)
ページ
17458-17463
抄録
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).
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
PISSN
1932-7447
NCID
AA1217589X
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.1021/jp306315r