Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 15, Issue 42, Pages 18363-18366Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cp53350f
Keywords
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Funding
- NTU Start-Up Grant (SUG)
- NTU seed funding for Solar Fuels Laboratory
- MOE AcRF-Tier1 RG [44/11]
- MOE AcRF-Tier2 [MOE2012-T2-2-041, ARC 5/13]
- CRP from NRF Singapore [NRF-CRP5-2009-04]
- National Natural Science Foundation of China [51002001]
- NRF through the Singapore-Berkeley Research Initiative for Sustainable Energy (SinBeRISE) CREATE Programme
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We report an economic and noble-metal-free artificial photosynthetic system, consisting of g-C3N4 as a photosensitizer and a photocatalyst, and cobaloxime as a co-catalyst, for H-2 generation. This system allows for effective electron transfer fromexcited g-C3N4 to Co-III(dmgH)(2)pyCl to generate reduced cobaloxime intermediate species for efficient H2 evolution. Transient fluorescence studies reveal that the presence of cobaloxime and TEOA promotes the population of excited electrons to transfer from g-C3N4, which is responsible for the high photocatalytic activity of this g-C3N4-cobaloxime conjugation system.
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