Please use this identifier to cite or link to this item: https://doi.org/10.1039/c3ee00060e
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dc.titleDonor-acceptor interface modification by zwitterionic conjugated polyelectrolytes in polymer photovoltaics
dc.contributor.authorKumar, A.
dc.contributor.authorPace, G.
dc.contributor.authorBakulin, A.A.
dc.contributor.authorFang, J.
dc.contributor.authorHo, P.K.H.
dc.contributor.authorHuck, W.T.S.
dc.contributor.authorFriend, R.H.
dc.contributor.authorGreenham, N.C.
dc.date.accessioned2014-10-16T09:21:24Z
dc.date.available2014-10-16T09:21:24Z
dc.date.issued2013-06
dc.identifier.citationKumar, A., Pace, G., Bakulin, A.A., Fang, J., Ho, P.K.H., Huck, W.T.S., Friend, R.H., Greenham, N.C. (2013-06). Donor-acceptor interface modification by zwitterionic conjugated polyelectrolytes in polymer photovoltaics. Energy and Environmental Science 6 (6) : 1589-1596. ScholarBank@NUS Repository. https://doi.org/10.1039/c3ee00060e
dc.identifier.issn17545692
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/96262
dc.description.abstractWe report that we can enhance the performance of polymer photovoltaics by introducing materials with dipoles at the donor-acceptor interface of the polymer solar cells. We use a zwitterionic conjugated polyelectrolyte (ZCPE) as an interfacial layer in a model bi-layer system consisting of donor and acceptor polymers. We find an increase in short-circuit current and fill factor when a 2 nm thin layer of ZCPE is introduced between donor and acceptor polymers. Absorption of light in the ZCPE interlayer contributes to the photocurrent, and, as revealed by time-resolved pump-push optical spectroscopy, the interlayer reduces the probability of electron-hole recombination at the donor-acceptor interface. © 2013 The Royal Society of Chemistry.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1039/c3ee00060e
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1039/c3ee00060e
dc.description.sourcetitleEnergy and Environmental Science
dc.description.volume6
dc.description.issue6
dc.description.page1589-1596
dc.identifier.isiut000317984700025
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