Document Detail


Organic photovoltaic cell in lateral-tandem configuration employing continuously-tuned microcavity sub-cells.
MedLine Citation:
PMID:  19030085     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We propose a lateral-tandem organic photovoltaic system consisting of a dispersive-focusing element and continuously-tuned, series-connected sub-cells. The proposed system overcomes the efficiency limitation of organic photovoltaic devices by spectral re-distribution of incoming solar photons and their delivery to the wavelength-matched, resonant sub-cells. By numerical simulations, we demonstrate that optical resonance in a microcavity sub-cell with a metal/organic multilayer/metal structure can be tuned over a broad spectrum by varying the thickness of the organic multilayer. We show that the power-conversion efficiency exceeding 18% can be obtained in a lateral-tandem system employing an ideal dispersive-focusing element and the microcavity sub-cells.
Authors:
Changsoon Kim; Jungsang Kim
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics express     Volume:  16     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2008 Nov 
Date Detail:
Created Date:  2008-11-25     Completed Date:  2009-03-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  19987-94     Citation Subset:  -    
Affiliation:
Fitzpatrick Institute for Photonics, Department of Electrical and Computer Engineering, Duke University, Durham, NC 27708, USA. ckim@duke.edu
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