Issue 39, 2009
From the journal:

Physical Chemistry Chemical Physics

A porphyrin–polyoxometallate bio-inspired mimic for artificial photosynthesis†

Kristopher J. Elliott,a   Anthony Harriman,*a   Loïc Le Pleux,b   Yann Pellegrin,b   Errol Blart,b   Cédric R. Mayerc  and  Fabrice Odobel*b  

* Corresponding authors

a Molecular Photonics Laboratory, School of Chemistry, Bedson Building, Newcastle University, Newcastle upon Tyne, UK
E-mail: Anthony.harriman@ncl.ac.uk
Fax: +44 191 222 8660

b Université de Nantes, CNRS, Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation (CEISAM), UMR CNRS no. 6230, 2, rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France
E-mail: Fabrice.Odobel@univ-nantes.fr
Fax: +33 2 51 12 54 02

c Institut Lavoisier de Versailles, UMR-CNRS 8180, Université de Versailles St-Quentin, Bâtiment Lavoisier45 avenue des Etats-Unis, 78035 Versailles cedex, France

Abstract

A multi-porphyrin cluster has been covalently attached to a polyoxometallate (POM) catalyst so as to form an advanced model for the photosynthetic reaction complex. This bio-inspired mimic displays efficient energy transfer from the peripheral zinc porphyrins (ZnP) to the central free-base porphyrin (FbP). The latter species participates in a light-induced electron transfer with the POM. Charge recombination is hindered by hole transfer from the FbP to one of the ZnPs. Charge accumulation occurs at the POM under illumination in the presence of a sacrificial electron donor.

Graphical abstract: A porphyrin–polyoxometallate bio-inspired mimic for artificial photosynthesis

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Article information

DOI
https://doi.org/10.1039/B905548G
Article type
Paper
Submitted
19 Mar 2009
Accepted
15 Jun 2009
First published
15 Jul 2009

Phys. Chem. Chem. Phys., 2009,11, 8767-8773

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A porphyrin–polyoxometallate bio-inspired mimic for artificial photosynthesis

K. J. Elliott, A. Harriman, L. Le Pleux, Y. Pellegrin, E. Blart, C. R. Mayer and F. Odobel, Phys. Chem. Chem. Phys., 2009, 11, 8767 DOI: 10.1039/B905548G

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