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

Journal Article · · ChemComm
DOI:https://doi.org/10.1039/C5CC03006D· OSTI ID:1339164
 [1];  [1];  [2];  [1];  [1];  [1];  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division; Univ. of Chicago, IL (United States). Graduate Program in Biophysics
In this paper, 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). Finally, 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.
Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1339164
Journal Information:
ChemComm, Journal Name: ChemComm Journal Issue: 53 Vol. 51; ISSN 1359-7345
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (5)

Hybrid Photoelectrochemical Water Splitting Systems: From Interface Design to System Assembly journal June 2019
Photosensitised Multiheme Cytochromes as Light-Driven Molecular Wires and Resistors journal September 2018
Designing a modified clostridial 2[4Fe–4S] ferredoxin as a redox coupler to directly link photosystem I with a Pt nanoparticle journal October 2019
From protein engineering to artificial enzymes – biological and biomimetic approaches towards sustainable hydrogen production journal January 2018
The oxygen reactivity of an artificial hydrogenase designed in a reengineered copper storage protein journal January 2020

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