Self-regenerated solar-driven photocatalytic water-splitting by urea derived graphitic carbon nitride with platinum nanoparticles

A natural self-regeneration step for urea derived graphitic carbon nitride with platinum nanoparticles is found by simply opening the system to air in the dark under ambient conditions, following its solar-driven hydrogen production. The produced peroxides deactivate the graphitic carbon nitride. Re...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2012-09, Vol.48 (70), p.8826-8828
Hauptverfasser: Liu, Jinghai, Zhang, Yuewei, Lu, Luhua, Wu, Guan, Chen, Wei
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Sprache:eng
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Zusammenfassung:A natural self-regeneration step for urea derived graphitic carbon nitride with platinum nanoparticles is found by simply opening the system to air in the dark under ambient conditions, following its solar-driven hydrogen production. The produced peroxides deactivate the graphitic carbon nitride. Release of weakly bound peroxides on the polymeric semiconductor surface is a crucial process for regeneration.
ISSN:1359-7345
1364-548X
DOI:10.1039/c2cc33644h