Beyond CoOx: a versatile amorphous cobalt species as an efficient cocatalyst for visible-light-driven photocatalytic water oxidation

Cocatalysts play an important role in converting solar energy into chemical energy for photocatalytic water splitting. Herein, a versatile and efficient cocatalyst based on amorphous Co species (a-Co-E) is synthesized through thermal treatment of a Co–ethylene diamine tetraacetic acid complex in air...

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Published inChemical communications (Cambridge, England) Vol. 55; no. 93; pp. 14050 - 14053
Main Authors Zhang, Hongyuan, Guo, Changfa, Ren, Jiabin, Ning, Jiqiang, Zhong, Yijun, Zhang, Ziyang, Hu, Yong
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 04.12.2019
Subjects
Bismuth ferrite
Chemical energy
Cobalt oxides
Diamines
Heat treatment
Organic chemistry
Oxidation
Photocatalysis
Solar energy conversion
Water splitting
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Summary:Cocatalysts play an important role in converting solar energy into chemical energy for photocatalytic water splitting. Herein, a versatile and efficient cocatalyst based on amorphous Co species (a-Co-E) is synthesized through thermal treatment of a Co–ethylene diamine tetraacetic acid complex in air at 300 °C. Various Bi-based semiconductors loaded with the a-Co-E cocatalyst exhibit an impressively higher photocatalytic O2 evolution rate than their CoOx-loaded counterparts.
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ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc07835e