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dc.contributor.authorChuang, Ming-Kaien_US
dc.contributor.authorChen, Fang-Chungen_US
dc.date.accessioned2015-07-21T08:29:39Z-
dc.date.available2015-07-21T08:29:39Z-
dc.date.issued2015-04-08en_US
dc.identifier.issn1944-8244en_US
dc.identifier.urihttp://dx.doi.org/10.1021/acsami.5b01161en_US
dc.identifier.urihttp://hdl.handle.net/11536/124681-
dc.description.abstractMetal nanostructures that trigger plasmonic near-field effects are often incorporated in organic photovoltaic devices (OPVs) to improve their light-harvesting ability. These nanostructures usually can be positioned in two different locations in a device: (i) within the photon absorption layers and (ii) at the interfaces between the active layer and the metal electrodes. In this study, we developed amphiphilic gold nanoparticles (Au NPs) for use in dual plasmonic nanostructures within OPVs. We employed graphene oxide as the template to anchor the Au NPs, thereby avoiding their aggregation. Furthermore, we added poly(ethylene glycol) (PEG) bis(amine) to the synthesis medium to improve the solubility of the nanocomposites, such that they could be dispersed well in water and in several organic solvents. Accordingly, we could incorporate the PEGylated Au NP/graphene oxides readily into both the buffer layer and photoactive layer of OPVs, which, as a result, exhibited obvious enhancements in their photocurrents and overall device efficiencies. Moreover, we observed different spectral enhancement regions when we positioned the nanocomposites at different locations, reflecting the different dielectric environments surrounding the NPs; this unexpected behavior should assist in enhancing the broadband absorption of solar irradiation.en_US
dc.language.isoen_USen_US
dc.subjectnanoparticleen_US
dc.subjectgraphene oxidesen_US
dc.subjectplasmonicen_US
dc.subjectsolar cellsen_US
dc.titleSynergistic Plasmonic Effects of Metal Nanoparticle-Decorated PEGylated Graphene Oxides in Polymer Solar Cellsen_US
dc.typeArticleen_US
dc.identifier.doi10.1021/acsami.5b01161en_US
dc.identifier.journalACS APPLIED MATERIALS & INTERFACESen_US
dc.citation.issue13en_US
dc.citation.spage7397en_US
dc.citation.epage7405en_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
dc.identifier.wosnumberWOS:000352751800041en_US
dc.citation.woscount0en_US
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