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Nano-Biohybrid Light-Harvesting Systems for Solar Energy Applications

Published online by Cambridge University Press:  20 July 2012

Woo-Jin An ,
Jessica Co-Reyes ,
Vivek B. Shah ,
Wei-Ning Wang ,
Gregory S. Orf ,
Robert E. Blankenship  and
Pratim Biswas
Woo-Jin An
Affiliation:
Aerosol and Air Quality Research Laboratory, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Campus Box 1180, St. Louis, MO 63130, U.S.A.
Jessica Co-Reyes
Affiliation:
Aerosol and Air Quality Research Laboratory, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Campus Box 1180, St. Louis, MO 63130, U.S.A.
Vivek B. Shah
Affiliation:
Aerosol and Air Quality Research Laboratory, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Campus Box 1180, St. Louis, MO 63130, U.S.A.
Wei-Ning Wang
Affiliation:
Aerosol and Air Quality Research Laboratory, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Campus Box 1180, St. Louis, MO 63130, U.S.A.
Gregory S. Orf
Affiliation:
Department of Chemistry, Washington University in St. Louis, One Brookings Drive, Campus Box 1134, St. Louis, MO 63130, U.S.A.
Robert E. Blankenship
Affiliation:
Department of Chemistry, Washington University in St. Louis, One Brookings Drive, Campus Box 1134, St. Louis, MO 63130, U.S.A. Department of Biology, Washington University in St. Louis, One Brookings Drive, Campus Box 1137, St. Louis, MO 63130, U.S.A.
Pratim Biswas
Affiliation:
Aerosol and Air Quality Research Laboratory, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, One Brookings Drive, Campus Box 1180, St. Louis, MO 63130, U.S.A.
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Abstract

All photosynthetic organisms contain light-harvesting antenna complexes and electron transfer complexes called reaction centers. Some photosynthetic bacteria contain large (~100 MDa) peripheral antenna complexes known as chlorosomes. Chlorosomes lose their reaction center when they are extracted from organisms. Lead sulfide (PbS) quantum dots (QDs) were used for artificial reaction centers. Successive ionic layer adsorption and reaction (SILAR) allows different sizes of PbS QDs with different cycles to be easily deposited onto the nanostructured columnar titanium dioxide (TiO2) film with single crystal. Chlorosomes were sequentially deposited onto the PbS QDs surface by electrospray. Compared to the typical PbS QD sensitized solar cells, overall energy conversion efficiency increased with the Förster resonance energy transfer (FRET) effect between PbS QDs and chlorosomes.

Keywords

photovoltaicthin filmspray deposition
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1445: Symposium T – Bioinspired Materials for Energy Applications , 2012 , mrss12-1445-t05-04
Copyright
Copyright © Materials Research Society 2012

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References

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