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Enhanced Power Conversion Efficiency in PCDTBT/PC70BM Bulk Heterojunction Photovoltaic Devices with Embedded Silver Nanoparticle Clusters

Title
Enhanced Power Conversion Efficiency in PCDTBT/PC70BM Bulk Heterojunction Photovoltaic Devices with Embedded Silver Nanoparticle Clusters
Authors
Wang, Dong HwanPark, Keum HwanSeo, Jung HwaSeifter, JasonJeon, Ji HyeKim, Jung KyuPark, Jong HyeokPark, O. OkHeeger, Alan J.
Issue Date
2011-10
Citation
Advanced Energy Materials, 1(5), 766-770
Type
Article
Article Type
Article
Keywords
Ag NanoparticleBulk-Heterojunction Photovoltaic DevicesElectric ResistanceEnhanced Light AbsorptionsField EffectsHeterojunctionsNanoparticlesPolyol ProcessPower Conversion EfficienciesSeries ResistancesSilverSilver NanoparticlesSynthesis (Chemical)
ISSN
1614-6832
Abstract
The use of size‐controlled Ag nanoparticles (NPs) synthesized by a polyol process in the BHJ shows improved values of Jsc, FF, and the EQE. These results are due to an enhanced light absorption caused by the plasmonic field effect of Ag cluster from NPs and improved charge transport in the active layer. Ag clusters reduce the series resistance and induce an efficient charge transport system in the BHJ active layer.
URI
http://hdl.handle.net/20.500.11750/2484
DOI
10.1002/aenm.201100347
Publisher
Wiley-VCH Verlag
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