Issue 9, 2014

A biomimetic photoelectrochemical device from a molecular heterometallic sodium–manganese water splitting catalyst

Abstract

A photoelectrochemical device for water splitting has been fabricated from a new water stable molecular [Na2Mn4] complex that acts as an in situ precursor towards NaMn2Ox nanoparticles under catalytic conditions when immobilized within a conductive PEDOT : PSS/Nafion composite film for optimal electron transport. The optimized photoanode architecture of ITO/TiO2/Ru/60% PEDOT : PSS/Na2Mn4/Nafion resulted in a water oxidation onset potential of 1.35 V (vs. RHE) and achieved a maximum current density of 1.31 mA cm−2 (initial) and 0.80 mA cm−2 (stabilized) at 1.8 V (vs. RHE) at pH 6.5.

Graphical abstract: A biomimetic photoelectrochemical device from a molecular heterometallic sodium–manganese water splitting catalyst

Supplementary files

Article information

Article type
Research Article
Submitted
08 juin 2014
Accepted
08 sept. 2014
First published
10 sept. 2014

Inorg. Chem. Front., 2014,1, 705-711

A biomimetic photoelectrochemical device from a molecular heterometallic sodium–manganese water splitting catalyst

C. R. R. Gan, Z. Liu, S. Bai, S. W. Tay, X. Ge, J. Wu and T. S. A. Hor, Inorg. Chem. Front., 2014, 1, 705 DOI: 10.1039/C4QI00081A

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