TiO<sub>2</sub> Supported Photobiocatalytic Systems

ISSN: 2211-5498 (Online)
ISSN: 2211-548X (Print)


Volume 3, 2 Issues, 2014


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Editor-in-Chief:
Shaobin Wang
Department of Chemical Engineering
Curtin University of Technology
Perth, WA 6845
Australia


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TiO2 Supported Photobiocatalytic Systems

Author(s): Victor Nadtochenko, Vitaliy Nikandrov, Yanina Borisova, Galina Nizova, Arseny Aybush, Andrei Kostrov, Igor Shagadeev, Eugeniy Lukashov, Fedor Gostev, Ivan Shelaev, Mamadou Traore, Andrei Kanaev, Vladimir Shuvalov and Aleksei Semenov

Affiliation: NN Semenov Institute of Chemical Physics RAS, Kosigin str. 4, Moscow, Russia, 119071.

Abstract

We report on a performance of the photocatalytic solar energy convertors based on mesoporous TiO2 films with immobilized enzymes and membrane pigment-protein complexes of bacterial reaction centers Rhodobacter sphaeroides and Synechocystis sp. PCC 6803 photosystem-I (PS I) using our patented immobilization technique. These semiconductor- enzymes-pigment-protein systems functioned as both the light-harvester and charge separator in photocatalytic and solar cells self-assembled on nanostructured semiconductors. We described our recent patents on different possibilities of electrons photogeneration in the TiO2 conduction band (c.b.) as well as possibilities to use the potential of e- in the TiO2 c.b for the catalytic reduction of H+ to molecular hydrogen and for reduction of NAD+ (NADP+) to NADH(NADPH) by immobilized enzymes. We also report on femtosecond dynamics of charge separation in PS I with relation to these photocatalytic solar energy convertors.

Keywords: Enzymes, hydrogen production, photosynthesis, plasmons, photocatalysis, solar energy conversion, titanium dioxide films.

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Article Details

Volume: 2
Issue Number: 2
First Page: 91
Last Page: 100
Page Count: 10
DOI: 10.2174/2211548X03666140129000100
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