Influence of processing additives to nano-morphology and efficiency of bulk-heterojunction solar cells: A comparative review

Pivrikas, Almantas, Neugebauer, Helmut and Sariciftci, Niyazi Serdar (2011) Influence of processing additives to nano-morphology and efficiency of bulk-heterojunction solar cells: A comparative review. Solar Energy, 85 6: 1226-1237. doi:10.1016/j.solener.2010.10.012

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Author Pivrikas, Almantas
Neugebauer, Helmut
Sariciftci, Niyazi Serdar
Title Influence of processing additives to nano-morphology and efficiency of bulk-heterojunction solar cells: A comparative review
Journal name Solar Energy   Check publisher's open access policy
ISSN 0038-092X
Publication date 2011-06
Year available 2010
Sub-type Article (original research)
DOI 10.1016/j.solener.2010.10.012
Volume 85
Issue 6
Start page 1226
End page 1237
Total pages 12
Editor F. A. Nüesch
H. M. Upadhyaya
T. M. Razykov
A. N. Tiwari
Place of publication Oxford, United Kingdom
Publisher Elsevier
Collection year 2012
Language eng
Abstract Research and development towards high efficiency plastic solar cells have been accelerating in recent years. Polymer-based bulk heterojunction solar cells are offering an attractive and inexpensive concept for large scale production by solution processing as well as advantageous flexible and aesthetic form factors. The thin film nano-morphology of bulk-heterojunction solar cells has been shown to dramatically influence the photovoltaic performance of the devices. This article reviews the different methods used to control the film nano-morphology of bulk-heterojunction solar cells focussing on the chemical additives during solution processing. All power conversion efficiency limiting mechanisms of bulk-heterojunction solar cells are discussed in detail. It is shown, how the formation of optimal percolation pathways between donor and acceptor influences the photovoltaic device performance. It is explained how the film nano-morphology relates to light absorption, free charge carrier generation as well as charge transport to the electrodes.
Keyword Processing additives
Chemical additives
Organic solar cells
Bulk-heterojunction
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Special issue: Organic photovoltaics and dye sensitized solar cells. Available online 20 December 2010.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Chemistry and Molecular Biosciences
 
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Created: Mon, 19 Mar 2012, 15:34:39 EST by Almantas Pivrikas on behalf of School of Chemistry & Molecular Biosciences