Biomimetic and microbial approaches to solar fuel generation

Ann Magnuson, Magnus Anderlund, Olof Johansson, Peter Lindblad, Reiner Lomoth, Tomas Polivka, Sascha Ott, Karin Stensjö, Stenbjörn Styring, Villy Sundström, Leif Hammarström

Research output: Contribution to journalArticle

320 Citations (Scopus)

Abstract

Photosynthesis is performed by a multitude of organisms, but in nearly all cases, it is variations on a common theme: absorption of light followed by energy transfer to a reaction center where charge separation takes place. This initial form of chemical energy is stabilized by the biosynthesis of carbohydrates. To produce these energy-rich products, a substrate is needed that feeds in reductive equivalents. When photosynthetic microorganisms learned to use water as a substrate some 2 billion years ago, a fundamental barrier against unlimited use of solar energy was overcome. The possibility of solar energy use has inspired researchers to construct artificial photosynthetic systems that show analogy to parts of the intricate molecular machinery of photosynthesis. Recent years have seen a reorientation of efforts toward creating integrated light-to-fuel systems that can use solar energy for direct synthesis of energy-rich compounds, so-called solar fuels. Sustainable production of solar fuels is a long awaited development that promises extensive solar energy use combined with long-term storage. The stoichiometry of water splitting into molecular oxygen, protons, and electrons is deceptively simple; achieving it by chemical catalysis has proven remarkably difficult. The reaction center Photosystem II couples light-induced charge separation to an efficient molecular water-splitting catalyst, a Mn4Ca complex, and is thus an important template for biomimetic chemistry. In our aims to design biomimetic manganese complexes for light-driven water oxidation, we link photosensitizers and charge-separation motifs to potential catalysts in supramolecular assemblies. In photosynthesis, production of carbohydrates demands the delivery of multiple reducing equivalents to CO2. In contrast, the two-electron reduction of protons to molecular hydrogen is much less demanding. Virtually all microorganisms have enzymes called hydrogenases that convert protons to hydrogen, many of them with good catalytic efficiency. The catalytic sites of hydrogenases are now the center of attention of biomimetic efforts, providing prospects for catalytic hydrogen production with inexpensive metals. Thus, we might complete the water-to-fuel conversion.

Original languageEnglish
Pages (from-to)1899-1909
Number of pages11
JournalAccounts of Chemical Research
Volume42
Issue number12
DOIs
Publication statusPublished - Dec 21 2009

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Biomimetics
Solar energy
Photosynthesis
Water
Protons
Hydrogenase
Microorganisms
Hydrogen
Carbohydrates
Catalysts
Fuel systems
Photosensitizing Agents
Photosystem II Protein Complex
Electrons
Molecular oxygen
Biosynthesis
Substrates
Manganese
Hydrogen production
Stoichiometry

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Magnuson, A., Anderlund, M., Johansson, O., Lindblad, P., Lomoth, R., Polivka, T., ... Hammarström, L. (2009). Biomimetic and microbial approaches to solar fuel generation. Accounts of Chemical Research, 42(12), 1899-1909. https://doi.org/10.1021/ar900127h

Biomimetic and microbial approaches to solar fuel generation. / Magnuson, Ann; Anderlund, Magnus; Johansson, Olof; Lindblad, Peter; Lomoth, Reiner; Polivka, Tomas; Ott, Sascha; Stensjö, Karin; Styring, Stenbjörn; Sundström, Villy; Hammarström, Leif.

In: Accounts of Chemical Research, Vol. 42, No. 12, 21.12.2009, p. 1899-1909.

Research output: Contribution to journalArticle

Magnuson, A, Anderlund, M, Johansson, O, Lindblad, P, Lomoth, R, Polivka, T, Ott, S, Stensjö, K, Styring, S, Sundström, V & Hammarström, L 2009, 'Biomimetic and microbial approaches to solar fuel generation', Accounts of Chemical Research, vol. 42, no. 12, pp. 1899-1909. https://doi.org/10.1021/ar900127h
Magnuson A, Anderlund M, Johansson O, Lindblad P, Lomoth R, Polivka T et al. Biomimetic and microbial approaches to solar fuel generation. Accounts of Chemical Research. 2009 Dec 21;42(12):1899-1909. https://doi.org/10.1021/ar900127h
Magnuson, Ann ; Anderlund, Magnus ; Johansson, Olof ; Lindblad, Peter ; Lomoth, Reiner ; Polivka, Tomas ; Ott, Sascha ; Stensjö, Karin ; Styring, Stenbjörn ; Sundström, Villy ; Hammarström, Leif. / Biomimetic and microbial approaches to solar fuel generation. In: Accounts of Chemical Research. 2009 ; Vol. 42, No. 12. pp. 1899-1909.
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