Enhanced photocatalytic hydrogen evolution by combining water soluble graphene with cobalt salts
2014 ◽
Vol 5
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pp. 1167-1174
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Keyword(s):
Eosin Y
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There is tremendous effort put in the pursuit for cheap and efficient catalysts for photocatalytic hydrogen evolution systems. Herein, we report an active catalyst that uses the earth-abundant element cobalt and water-dispersible sulfonated graphene. The photocatalytic hydrogen evolution activity of the catalyst was tested by using triethanolamine (TEOA) as electron donor and eosin Y (EY) as the photosensitizer under LED irradiation at 525 nm. Hydrogen was produced constantly even after 20 h, and the turnover number (TON) reached 148 (H2/Co) in 4 h with respect to the initial concentration of the added cobalt salts was shown to be 5.6 times larger than that without graphene.
2017 ◽
Vol 19
(12)
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pp. 8141-8147
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Keyword(s):
2011 ◽
Vol 239-242
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pp. 1686-1689
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2019 ◽
Vol 7
(15)
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pp. 13569-13575
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Keyword(s):
2012 ◽
Vol 37
(17)
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pp. 12150-12157
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Keyword(s):
2015 ◽
Vol 40
(18)
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pp. 6038-6049
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