Plasmonic-enhanced polymer photovoltaic devices incorporating solution-processable metal nanoparticles

We have explored the effect of gold nanoparticle (Au NP)-induced surface plasmons on the performance of organic photovoltaic devices (OPVs). The power conversion efficiency of these OPVs was improved after blending the Au NPs into the anodic buffer layer. The addition of Au NPs increased the rate of...

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Bibliographic Details
Published in:Applied physics letters 2009-07, Vol.95 (1)
Main Authors: Chen, Fang-Chung, Wu, Jyh-Lih, Lee, Chia-Ling, Hong, Yi, Kuo, Chun-Hong, Huang, Michael H.
Format: Article
Language:English
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Summary:We have explored the effect of gold nanoparticle (Au NP)-induced surface plasmons on the performance of organic photovoltaic devices (OPVs). The power conversion efficiency of these OPVs was improved after blending the Au NPs into the anodic buffer layer. The addition of Au NPs increased the rate of exciton generation and the probability of exciton dissociation, thereby enhancing the short-circuit current density and the fill factor. We attribute the improvement in device performance to the local enhancement in the electromagnetic field originating from the excitation of the localized surface plasmon resonance.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3174914