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The impact of driving force on electron transfer rates in photovoltaic donor-acceptor blends

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dc.contributor.authorWard, A.J.
dc.contributor.authorRuseckas, A.
dc.contributor.authorKareem, M.M.
dc.contributor.authorEbenhoch, B.
dc.contributor.authorSerrano, L.A.
dc.contributor.authorAl-Eid, M.
dc.contributor.authorFitzpatrick, B.
dc.contributor.authorRotello, V.M.
dc.contributor.authorCooke, G.
dc.contributor.authorSamuel, I.D.W.
dc.date.accessioned2015-03-26T12:31:04Z
dc.date.available2015-03-26T12:31:04Z
dc.date.issued2015-04-17
dc.identifier.citationWard , A J , Ruseckas , A , Kareem , M M , Ebenhoch , B , Serrano , L A , Al-Eid , M , Fitzpatrick , B , Rotello , V M , Cooke , G & Samuel , I D W 2015 , ' The impact of driving force on electron transfer rates in photovoltaic donor-acceptor blends ' , Advanced Materials , vol. 27 , no. 15 , pp. 2496–2500 . https://doi.org/10.1002/adma.201405623en
dc.identifier.issn0935-9648
dc.identifier.otherPURE: 176927063
dc.identifier.otherPURE UUID: 81c890a6-d659-4a1b-95a3-b271d18c0756
dc.identifier.otherScopus: 85027947061
dc.identifier.otherORCID: /0000-0001-9114-3522/work/32543064
dc.identifier.otherWOS: 000352819400012
dc.identifier.urihttps://hdl.handle.net/10023/6345
dc.descriptionThis work was funded by Engineering and Physical Sciences Research Council of the UK (grants EP/I00243X and EP/J009016) and the European Research Council of the European Union (grant 321305). I.D.W.S. also acknowledges support from a Royal Society Wolfson Research Merit Award. AJW acknowledges the Scottish Doctoral Training Centre in Condensed Matter Physics for financial support.en
dc.description.abstractThe effect of acceptor energy level on electron transfer rate in blends of the polymer solar cell material poly[[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl]] (PTB7) is studied using time-resolved fluorescence. Fast electron transfer in <2 ps is observed for driving force between 0.2 and 0.6 eV and slower electron transfer outside this range. This dependence is described by Marcus theory with a reorganization energy of ≈0.4 eV.
dc.language.isoeng
dc.relation.ispartofAdvanced Materialsen
dc.rights© 2015 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is an open access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.en
dc.subjectCharge generationen
dc.subjectExcitonic solar cellsen
dc.subjectReorganization energyen
dc.subjectPTB7en
dc.subjectQC Physicsen
dc.subjectNDASen
dc.subjectSDG 7 - Affordable and Clean Energyen
dc.subject.lccQCen
dc.titleThe impact of driving force on electron transfer rates in photovoltaic donor-acceptor blendsen
dc.typeJournal articleen
dc.contributor.sponsorEPSRCen
dc.contributor.sponsorEuropean Research Councilen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.identifier.doihttps://doi.org/10.1002/adma.201405623
dc.description.statusPeer revieweden
dc.identifier.urlhttp://onlinelibrary.wiley.com/doi/10.1002/adma.201405623/suppinfoen
dc.identifier.grantnumberEP/I00243X/1en
dc.identifier.grantnumberen


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