Photoassisted Preparation of Cobalt Phosphate/Graphene Oxide Composites: A Novel Oxygen-Evolving Catalyst with High Efficiency

Cobalt phosphate (CoPi) nanoplates can be integrated with graphene oxide (GO) by photochemical deposition from an aqueous solution under visible‐light illumination using GO as a photocatalyst. The use of the CoPi/GO composites as an oxygen‐evolving catalyst with high efficiency is demonstrated. Inte...

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Published inSmall (Weinheim an der Bergstrasse, Germany) Vol. 9; no. 16; pp. 2709 - 2714
Main Authors Tian, Jingqi, Li, Haiyan, Asiri, Abdullah M., Al-Youbi, Abdulrahman O., Sun, Xuping
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 26.08.2013
WILEY‐VCH Verlag
Wiley Subscription Services, Inc
Subjects
Catalysis
Cobalt - chemistry
composites
graphene oxide
Graphite - chemistry
Nanotechnology
oxygen
Oxygen - chemistry
photocatalysis
Photochemistry - methods
renewable energy
composites
graphene oxide
renewable energy
photocatalysis
oxygen
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Summary:Cobalt phosphate (CoPi) nanoplates can be integrated with graphene oxide (GO) by photochemical deposition from an aqueous solution under visible‐light illumination using GO as a photocatalyst. The use of the CoPi/GO composites as an oxygen‐evolving catalyst with high efficiency is demonstrated. Integrating CoPi with GO leads to reduction of the overvoltage and enhancement of the photocurrent.
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ISSN:1613-6810
1613-6829
DOI:10.1002/smll.201203202