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|Title:||Ultrafine gold nanowire networks as plasmonic antennae in organic photovoltaics||Authors:||Oo, Than Z.
Wong, Lydia Helena
Sum, Tze Chien
Mhaisalkar, Subodh Gautam
|Keywords:||DRNTU::Science::Chemistry::Physical chemistry||Issue Date:||2012||Source:||Oo, T. Z., Mathews, N., Xing, G., Wu, B., Xing, B., Wong, L. H., et al. (2012). Ultrafine gold nanowire networks as plasmonic antennae in organic photovoltaics. The journal of physical chemistry C, 116(10), 6453-6458.||Series/Report no.:||The journal of physical chemistry C||Abstract:||Solution-processed ultrafine gold nanowires (Au-NWs) have been exploited as plasmonic antennae in organic P3HT:PCBM photovoltaic cells. The careful reduction of the spacer layer thickness which allows the evanescent field to be extended into the photoactive layer and the geometry of the Au-NWs bands which favors the enhanced scattering collectively result in an increased short-circuit current density by 23.2%. The exact nature of the plasmonic effect in Au-NWs incorporated P3HT system and the critical role played by the spacer layer were studied through optical and time-resolved photoluminescence spectroscopy. The improved photocurrent in the Au-NWs integrated devices is due to an enhanced absorption in the photoactive layer which is contributed from an increased plasmon excitation field and far-field scattering of Au-NWs.||URI:||https://hdl.handle.net/10356/99076
|DOI:||10.1021/jp2099637||Fulltext Permission:||none||Fulltext Availability:||No Fulltext|
|Appears in Collections:||SPMS Journal Articles|
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