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Homogeneous and Heterogeneous Photocatalytic Water Oxidation by Persulfate

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Fukuzumi, Shunichi Jung, Jieun Yamada, Yusuke Kojima, Takahiko Nam, Wonwoo
Description	Author Affiliation: Fukuzumi S ( Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 120-750, Korea. fukuzumi@chem.eng.osaka-u.ac.jp.); Jung J ( Faculty of Science and Engineering, Meijo University, ALCA and SENTAN, Japan Science and Technology Agency (JST), Nagoya, Aichi, 468-0073, Japan. fukuzumi@chem.eng.osaka-u.ac.jp.); Yamada Y ( Graduate School of Engineering, Osaka University, ALCA and SENTAN, Japan Science and Technology Agency (JST), Suita, Osaka, 565-0871, Japan. fukuzumi@chem.eng.osaka-u.ac.jp.); Kojima T ( Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 120-750, Korea.); Nam W ( Department of Applied Chemistry and Bioengineering, Graduate School of Engineering, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi, Osaka, 558-8585, Japan. ymd@a-chem.eng.osaka-cu.ac.jp.)
Abstract	Photocatalytic water oxidation by persulfate $(Na_{2}S_{2}O_{8})$ with $[Ru(bpy)_{3}]^{2+}$ (bpy=2,2′-bipyridine) as a photocatalyst provides a standard protocol to study the catalytic reactivity of water oxidation catalysts. The yield of evolved oxygen per persulfate is regarded as a good index for the catalytic reactivity because the oxidation of bpy of $[Ru(bpy)_{3}]^{2+}$ and organic ligands of catalysts competes with the catalytic water oxidation. A variety of metal complexes act as catalysts in the photocatalytic water oxidation by persulfate with $[Ru(bpy)_{3}]^{2+}$ as a photocatalyst. Herein, the catalytic mechanisms are discussed for homogeneous water oxidation catalysis. Some metal complexes are converted to metal oxide or hydroxide nanoparticles during the photocatalytic water oxidation by persulfate, acting as precursors for the actual catalysts. The catalytic reactivity of various metal oxides is compared based on the yield of evolved oxygen and turnover frequency. A heteropolynuclear cyanide complex is the best catalyst reported so far for the photocatalytic water oxidation by persulfate and $[Ru(bpy)_{3}]^{2+},$ affording 100 % yield of $O_{2}$ per persulfate.
File Format	HTM / HTML
ISSN	18614728
Issue Number	8
Journal	Chemistry - An Asian Journal
Volume Number	11
e-ISSN	1861471X
Language	English
Publisher	Wiley-VCH
Publisher Date	2016-04-20
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Chemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Biochemistry

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