Photosynthetic hydrogen production |
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| Authors: | Suleyman I. Allakhverdiev Velmurugan Thavasi Vladimir D. Kreslavski Sergey K. Zharmukhamedov Vyacheslav V. Klimov Seeram Ramakrishna Dmitry A. Los Mamoru Mimuro Hiroshi Nishihara Robert Carpentier |
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| Affiliation: | 1. Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya Street 35, Moscow 127276, Russia;2. Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia;3. Nanoscience and Nanotechnology Initiative, National University of Singapore, 2, Engineering Drive 3, Singapore 117576, Singapore;4. Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606-8501, Japan;5. Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan;6. Groupe de recherche en biologie végétale, Université du Québec à Trois-Rivières, CP 500, Trois-Rivières, Québec G9A 5H7, Canada |
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| Abstract: | Among various technologies for hydrogen production, the use of oxygenic natural photosynthesis has a great potential as can use clean and cheap sources—water and solar energy. In oxygenic photosynthetic microorganisms electrons and protons produced from water and redirected by the photosynthetic electron-transport chain via ferredoxin to the hydrogen-producing enzymes hydrogenase or nitrogenase. By these enzymes, e? and H+ recombine and form molecular hydrogen. Hydrogenase activity can be very high but is extremely sensitive to the photosynthetically evolved O2 that leads to reduced and unstable H2 production. However, presently, several approaches are developed to improve the energetic efficiency to generate H2. This review examines the main available pathways to improve the photosynthetic H2 production. |
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