Spectral diffusion of single semiconductor nanocrystals: the influence of the dielectric environment

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We have explored the influence of different matrices on the emission line shape of individual homogeneously coated CdSe/CdS/ZnS nanocrystals. The results obtained corroborate previous observations of a correlation between blinking events and spectral diffusion but in addition we have found that the extent of spectral diffusion is almost independent of the dielectric environment of the NC. Additionally, we report the observation of a correlation between the line width and emission energy which is not expected to occur in the spherical - symmetric NCs employed in this work. The implications of these results are discussed.
3 pages, 3 figures

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Materials Science, Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/107111

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0601626
 http://arxiv.org/abs/cond-mat/0601626
 Applied Physics Letters 88, 154106 (2006)
 doi:10.1063/1.2193967

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arXiv