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High-efficiency organic solar concentrators for photovoltaics.
MedLine Citation:
PMID:  18621664     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The cost of photovoltaic power can be reduced with organic solar concentrators. These are planar waveguides with a thin-film organic coating on the face and inorganic solar cells attached to the edges. Light is absorbed by the coating and reemitted into waveguide modes for collection by the solar cells. We report single- and tandem-waveguide organic solar concentrators with quantum efficiencies exceeding 50% and projected power conversion efficiencies as high as 6.8%. The exploitation of near-field energy transfer, solid-state solvation, and phosphorescence enables 10-fold increases in the power obtained from photovoltaic cells, without the need for solar tracking.
Authors:
Michael J Currie; Jonathan K Mapel; Timothy D Heidel; Shalom Goffri; Marc A Baldo
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  321     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2008 Jul 
Date Detail:
Created Date:  2008-07-14     Completed Date:  2008-07-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  226-8     Citation Subset:  -    
Affiliation:
Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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