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Issue 53, 2015
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Aqueous light driven hydrogen production by a Ru–ferredoxin–Co biohybrid

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Abstract

Herein we report the creation of a novel solar fuel biohybrid for light-driven H2 production utilizing the native electron transfer protein ferredoxin (Fd) as a scaffold for binding of a ruthenium photosensitizer (PS) and a molecular cobaloxime catalyst (Co). EPR and transient optical experiments provide direct evidence of a long-lived (>1.5 ms) Ru(III)–Fd–Co(I) charge separated state formed via an electron relay through the Fd [2Fe–2S] cluster, initiating the catalytic cycle for 2H+ + 2e → H2.

Graphical abstract: Aqueous light driven hydrogen production by a Ru–ferredoxin–Co biohybrid

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Supplementary files

Article information


Submitted
10 Apr 2015
Accepted
02 Jun 2015
First published
08 Jun 2015

Chem. Commun., 2015,51, 10628-10631
Article type
Communication
Author version available

Aqueous light driven hydrogen production by a Ru–ferredoxin–Co biohybrid

S. R. Soltau, J. Niklas, P. D. Dahlberg, O. G. Poluektov, D. M. Tiede, K. L. Mulfort and L. M. Utschig, Chem. Commun., 2015, 51, 10628 DOI: 10.1039/C5CC03006D

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