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Substituent Effect on Hole Mobility of Conjugated Polymers in Photovoltaic Cells
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.
2013 (English)In: Asian Journal of Chemistry, ISSN 0970-7077, Vol. 25, no 4, 2177-2181 p.Article in journal (Refereed) Published
Abstract [en]

In this work, we have theoretically investigated the substituent effect on hole mobility of the conjugated alternating polymers typically applied in photovoltaic cells. We found that both linear and nonlinear behaviour of binding energy of polarons with respect to their extension size in two series of polymers. The resistances in the process of polaron's jumping between polymer chains are thus different. The experimental relative hole mobility of two kinds of polymers are well explained. Analysis of substituent effect provides insight into obtaining better hole-transport conjugated polymers in future.

Place, publisher, year, edition, pages
2013. Vol. 25, no 4, 2177-2181 p.
Keyword [en]
Substituent effect, Hole mobility, Binding energy, Photovoltaic cells
National Category
Chemical Sciences
URN: urn:nbn:se:kth:diva-117987ISI: 000312621500094ScopusID: 2-s2.0-84875193695OAI: diva2:604227
Swedish Research Council

QC 20130208

Available from: 2013-02-08 Created: 2013-02-08 Last updated: 2013-02-08Bibliographically approved

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