Photocatalytic Hydrogen Production using Polymeric Carbon Nitride with a Hydrogenase and a Bioinspired Synthetic Ni Catalyst | Zendy

Caputo Christine A. | Zendy; Gross Manuela A. | Zendy; Lau Vincent W. | Zendy; Cavazza Christine | Zendy; Lotsch Bettina V. | Zendy; Reisner Erwin | Zendy

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Photocatalytic Hydrogen Production using Polymeric Carbon Nitride with a Hydrogenase and a Bioinspired Synthetic Ni Catalyst

Author(s) -

Caputo Christine A.,

Gross Manuela A.,

Lau Vincent W.,

Cavazza Christine,

Lotsch Bettina V.,

Reisner Erwin

Publication year - 2014

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201406811

Subject(s) - catalysis , photocatalysis , carbon nitride , hydrogenase , nip , hydrogen production , aqueous solution , nickel , carbon fibers , chemistry , materials science , hydrogen , artificial photosynthesis , graphitic carbon nitride , photochemistry , turnover number , inorganic chemistry , chemical engineering , organic chemistry , composite number , engineering , composite material

Solar‐light‐driven H 2 production in water with a [NiFeSe]‐hydrogenase (H 2 ase) and a bioinspired synthetic nickel catalyst (NiP) in combination with a heptazine carbon nitride polymer, melon (CN x ), is reported. The semibiological and purely synthetic systems show catalytic activity during solar light irradiation with turnover numbers (TONs) of more than 50 000 mol H 2 (mol H 2 ase) −1 and approximately 155 mol H 2 (mol NiP) −1 in redox‐mediator‐free aqueous solution at pH 6 and 4.5, respectively. Both systems maintained a reduced photoactivity under UV‐free solar light irradiation (λ>420 nm).

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