Exciton-plasmon interactions in quantum dot-gold nanoparticle structures |
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Authors: | Cohen-Hoshen Eyal Bryant Garnett W Pinkas Iddo Sperling Joseph Bar-Joseph Israel |
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Affiliation: | Department of Condensed Matter Physics, Weizmann Institute of Science , Rehovot 76100, Israel. |
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Abstract: | We present a self-assembly method to construct CdSe/ZnS quantum dot-gold nanoparticle complexes. This method allows us to form complexes with relatively good control of the composition and structure that can be used for detailed study of the exciton-plasmon interactions. We determine the contribution of the polarization-dependent near-field enhancement, which may enhance the absorption by nearly two orders of magnitude and that of the exciton coupling to plasmon modes, which modifies the exciton decay rate. |
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