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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, E-ISSN 0975-427X, 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
Identifiers
URN: urn:nbn:se:kth:diva-117987ISI: 000312621500094Scopus ID: 2-s2.0-84875193695OAI: oai:DiVA.org:kth-117987DiVA: diva2:604227
Funder
Swedish Research Council
Note

QC 20130208

Available from: 2013-02-08 Created: 2013-02-08 Last updated: 2017-12-06Bibliographically approved

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