Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/11043
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dc.contributor.authorShoaee, Safa-
dc.contributor.authorEng, Mattias P.-
dc.contributor.authorEspildora, Eva-
dc.contributor.authorLuis Delgado, Juan-
dc.contributor.authorCAMPO, Bert-
dc.contributor.authorMartin, Nazario-
dc.contributor.authorVANDERZANDE, Dirk-
dc.contributor.authorDurrant, James R.-
dc.date.accessioned2010-08-03T09:58:17Z-
dc.date.availableNO_RESTRICTION-
dc.date.available2010-08-03T09:58:17Z-
dc.date.issued2010-
dc.identifier.citationENERGY & ENVIRONMENTAL SCIENCE, 3(7). p. 971-976-
dc.identifier.issn1754-5692-
dc.identifier.urihttp://hdl.handle.net/1942/11043-
dc.description.abstractIn this paper, we compare the charge recombination dynamics observed in films comprising poly(3-hexylthiophene) blended with three fullerene derivatives: PCBM and two alternative pyrazolinofullerenes. Transient absorption data indicate that replacement of PCBM with either of the pyrazolinofullerene derivatives results in a transition from bimolecular to monomolecular (geminate) recombination dynamics. We show that this transition cannot be explained by a difference in interfacial energetics. However, this transition does correlate with nanomorphology data which indicate that both pyrazolinofullerenes yield a much finer phase segregation, with correspondingly smaller domain sizes, than observed with PCBM. Our results therefore provide clear evidence of the role of nanomorphology in determining the nature of recombination dynamics in such donor/acceptor blends.-
dc.description.sponsorshipThe authors are grateful to EPSRC and BP Solar for funding and John Seddon for use of his light microscope. MPE acknowledges the Knut and Alice Wallenberg foundation for funding. This work has been supported by the European Science Foundation (05-SONS-FP-021 SOHYD), the MEC of Spain (CT2008-00795/BQU, and Consolider-Ingenio 2010C-07-25200, Nanociencia Molecular) and Comunidad de Madrid (P-PPQ-000225-0505). JLD thanks the MICINN for a Ramon y Cajal Fellowship, co-financed by the EU Social Funds. The research of BC is funded by a PhD grant of the Institute for the Promotion of Innovation through Science and Technology in Flanders (IWT-Vlaanderen). ESI dagger is available online or from the author.-
dc.language.isoen-
dc.publisherROYAL SOC CHEMISTRY-
dc.titleInfluence of nanoscale phase separation on geminate versus bimolecular recombination in P3HT:fullerene blend films-
dc.typeJournal Contribution-
dc.identifier.epage976-
dc.identifier.issue7-
dc.identifier.spage971-
dc.identifier.volume3-
local.format.pages6-
local.bibliographicCitation.jcatA1-
dc.description.notes[Shoaee, Safa; Eng, Mattias P.; Durrant, James R.] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AZ, England. [Espildora, Eva; Luis Delgado, Juan; Martin, Nazario] Univ Complutense, Fac Quim, Dept Quim Organ, E-28040 Madrid, Spain. [Luis Delgado, Juan; Martin, Nazario] Fac Ciencias, IMDEA Nanociencia, E-28049 Madrid, Spain. [Campo, Bert; Vanderzande, Dirk] Univ Hasselt, Inst Mat Res, Div Chem, BE-3590 Diepenbeek, Belgium. j.durrant@imperial.ac.uk-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.bibliographicCitation.oldjcatA1-
dc.identifier.doi10.1039/c003394d-
dc.identifier.isi000279322800012-
item.accessRightsClosed Access-
item.fulltextNo Fulltext-
item.validationecoom 2011-
item.contributorShoaee, Safa-
item.contributorEng, Mattias P.-
item.contributorEspildora, Eva-
item.contributorLuis Delgado, Juan-
item.contributorCAMPO, Bert-
item.contributorMartin, Nazario-
item.contributorVANDERZANDE, Dirk-
item.contributorDurrant, James R.-
item.fullcitationShoaee, Safa; Eng, Mattias P.; Espildora, Eva; Luis Delgado, Juan; CAMPO, Bert; Martin, Nazario; VANDERZANDE, Dirk & Durrant, James R. (2010) Influence of nanoscale phase separation on geminate versus bimolecular recombination in P3HT:fullerene blend films. In: ENERGY & ENVIRONMENTAL SCIENCE, 3(7). p. 971-976.-
crisitem.journal.issn1754-5692-
crisitem.journal.eissn1754-5706-
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