期刊
CATALYSTS
卷 9, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/catal9070616
关键词
CoSe2 clusters; CdS nanorod; hydrogen evolution; photocatalysis
资金
- Chinese National Natural Science Foundation [21862002, 41663012]
- North Minzu University [ZDZX201803]
CoSe2, as a kind of co-catalyst, would replace noble metals element to dope pure CdS. The CoSe2/CdS photocatalyst could be synthesized by simple physical mixing. With the introduction of CoSe2, especially 30% CoSe2/CdS, hydrogen production would be about 500 mu mol within 5 h, five times that of pure CdS under the same conditions. The CoSe2/CdS photocatalyst could bear four cycles of hydrogen evolution and sustain the hydrogen production, with a minor decrease. In other words, the electron transition velocity would surge along with the introduction of CoSe2 particles. The CoSe2 could be deemed as the predator and exit of electrons to inspire the detachment of the hole-electron pairs and relieve the recombination of the hole-electron pairs.
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