Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3479916
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dc.titleHigh-efficiency inverted bulk heterojunction polymer solar cells with UV ozone-treated ultrathin aluminum interlayer
dc.contributor.authorZhang, H.
dc.contributor.authorOuyang, J.
dc.date.accessioned2014-10-07T09:50:17Z
dc.date.available2014-10-07T09:50:17Z
dc.date.issued2010-08-09
dc.identifier.citationZhang, H., Ouyang, J. (2010-08-09). High-efficiency inverted bulk heterojunction polymer solar cells with UV ozone-treated ultrathin aluminum interlayer. Applied Physics Letters 97 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3479916
dc.identifier.issn00036951
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/86402
dc.description.abstractHighly efficient inverted heterojunction polymer solar cells were developed with an UV ozone-treated ultrathin aluminum interlayer between the active layer and indium tin oxide (ITO). The ultrathin aluminum interlayer was fabricated by thermally depositing on ITO and subsequently treating it with UV ozone. Thus, it forms an alumina layer that improves electron extraction. Power conversion efficiency of 3.92%, open circuit voltage of 0.583 V, short-circuit current of 10.95 mA/ cm2 and fill factor of 0.614 were achieved on the inverted devices of a poly(3-hexylthiophene) and [6,6]-phenyl- C61 -butyric acid methyl ester blend under AM1.5 illumination (100 mW/ cm2), which are significantly higher than that of the control device without the interlayer. The significant improvement in device performances is attributed to the reduction in energy barrier for electron extraction due to the formation of alumina, as revealed by ultraviolet photoelectron spectroscopy. © 2010 American Institute of Physics.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1063/1.3479916
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentMATERIALS SCIENCE AND ENGINEERING
dc.description.doi10.1063/1.3479916
dc.description.sourcetitleApplied Physics Letters
dc.description.volume97
dc.description.issue6
dc.description.page-
dc.description.codenAPPLA
dc.identifier.isiut000280940900095
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