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dc.contributor.authorZhang, Yiwei
dc.contributor.authorSajjad, Muhammad T.
dc.contributor.authorBlaszczyk, Oskar
dc.contributor.authorRuseckas, Arvydas
dc.contributor.authorSerrano, Luis A.
dc.contributor.authorCooke, Graeme
dc.contributor.authorSamuel, Ifor D.W.
dc.identifier.citationZhang , Y , Sajjad , M T , Blaszczyk , O , Ruseckas , A , Serrano , L A , Cooke , G & Samuel , I D W 2019 , ' Enhanced exciton harvesting in a planar heterojunction organic photovoltaic device by solvent vapor annealing ' , Organic Electronics , vol. 70 .
dc.identifier.otherPURE: 258223443
dc.identifier.otherPURE UUID: e8a181e9-b415-4f87-9fc5-b3e65819b8d7
dc.identifier.otherRIS: urn:963DA5FAD0BE4319334C020691E7F2F2
dc.identifier.otherORCID: /0000-0001-9114-3522/work/55643801
dc.identifier.otherScopus: 85064731210
dc.identifier.otherWOS: 000467701400022
dc.descriptionWe thank the European Research Council (ERC) for financial support (EXCITON grant 321305). Data supporting this study is available at
dc.description.abstractThe singlet exciton diffusion length was measured in a small molecule electron donor material DR3TBDTT using fluorescence quenching at a planar interface with a cross-linked fullerene derivative. The one-dimensional exciton diffusion length was increased from ~16 to ~24 nm by annealing the film in carbon disulfide solvent vapor. Planar heterojunction solar cells were fabricated using bilayers of these materials and it was found that solvent vapor annealing increased the short circuit current density by 46%. This can be explained by improved exciton harvesting in the annealed bilayer.
dc.relation.ispartofOrganic Electronicsen
dc.rightsCopyright © 2019 Published by Elsevier B.V. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at
dc.subjectOrganic solar cellsen
dc.subjectExciton diffusion lengthen
dc.subjectPhotoluminescence quenchingen
dc.subjectQC Physicsen
dc.titleEnhanced exciton harvesting in a planar heterojunction organic photovoltaic device by solvent vapor annealingen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews.Condensed Matter Physicsen
dc.contributor.institutionUniversity of St Andrews.Centre for Biophotonicsen
dc.description.statusPeer revieweden

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