Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.orgel.2011.07.023
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dc.titleHigh-performance inverted polymer solar cells with lead monoxide-modified indium tin oxides as the cathode
dc.contributor.authorZhang, H.
dc.contributor.authorOuyang, J.
dc.date.accessioned2014-10-07T09:50:27Z
dc.date.available2014-10-07T09:50:27Z
dc.date.issued2011-11
dc.identifier.citationZhang, H., Ouyang, J. (2011-11). High-performance inverted polymer solar cells with lead monoxide-modified indium tin oxides as the cathode. Organic Electronics: physics, materials, applications 12 (11) : 1864-1871. ScholarBank@NUS Repository. https://doi.org/10.1016/j.orgel.2011.07.023
dc.identifier.issn15661199
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/86417
dc.description.abstractThe photovoltaic stability of polymer solar cells (PSCs) can be greatly improved by adopting an inverted device structure. This paper reports high-performance inverted PSCs with lead monoxide (PbO)-modified indium tin oxide (ITO) as the cathodes. A thin PbO layer can effectively lower the work function of ITO from 4.5 to 3.8 eV. The optimal inverted PSCs with poly(3-hexylthiophene) (P3HT) as the donor and [6,6]-phenyl-C 61-butyric acid methyl ester (PCBM) as the acceptor exhibited high photovoltaic performance: open-circuit voltage of 0.59 V, short-circuit current density of 10.8 mA cm-2, fill factor of 0.632, and power conversion efficiency of 4.00% under simulated AM1.5G illumination (100 mW cm -2). The photovoltaic efficiency is significantly higher than that of the control inverted PSCs with unmodified ITO as the cathode. It is even better than that of the control PSCs with normal architecture, which have an optimal efficiency of 3.5%. The lowering in the work function by the PbO modification is attributed to the charge transfer between PbO and ITO, as evidenced by the X-ray photoelectron spectra. © 2011 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.orgel.2011.07.023
dc.sourceScopus
dc.subjectInverted
dc.subjectLead monoxide
dc.subjectPolymer solar cells
dc.subjectSurface modification
dc.subjectWork function
dc.typeArticle
dc.contributor.departmentMATERIALS SCIENCE AND ENGINEERING
dc.description.doi10.1016/j.orgel.2011.07.023
dc.description.sourcetitleOrganic Electronics: physics, materials, applications
dc.description.volume12
dc.description.issue11
dc.description.page1864-1871
dc.identifier.isiut000295830700018
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