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Wiley, Angewandte Chemie, 43(126), p. 11722-11726, 2014

DOI: 10.1002/ange.201406811

Wiley, Angewandte Chemie International Edition, 43(53), p. 11538-11542

DOI: 10.1002/anie.201406811

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

Journal article published in 2014 by Christine A. Caputo, Manuela A. Gross, Vincent W. Lau ORCID, Christine Cavazza, Bettina V. Lotsch ORCID, Erwin Reisner
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Solar-light-driven H2 production in water with a [NiFeSe]-hydrogenase (H2ase) and a bioinspired synthetic nickel catalyst (NiP) in combination with a heptazine carbon nitride polymer, melon (CNx), 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 H2 (mol H2ase)−1 and approximately 155 mol H2 (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).