Beyond CoOx: A versatile amorphous cobalt species as efficient cocatalyst for visible-light-driven photocatalytic water oxidation
2019
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 Co-ethylene diamine tetraacetic acid complex in air at 300 °C. Various Bi-based semiconductors loaded with the a-Co-E cocatalyst exhibit impressively higher photocatalytic O2 evolution rate than their CoOx-loaded counterparts.
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