Ultrafast photo-induced processes in fullerene-metal nanostructures

Sergey Chekalin; Victor Kompanets; Nickolai Starodubtsev

doi:10.1117/12.675135

9 June 2006 Ultrafast photoinduced processes in fullerene-metal nanostructures

Sergey Chekalin, Victor Kompanets, Nickolai Starodubtsev

Proceedings Volume 6181, Photon Echo and Coherent Spectroscopy 2005; 61810Y (2006) https://doi.org/10.1117/12.675135
Event: Photon Echo and Coherent Spectroscopy 2005, 2005, Kaliningrad, Russian Federation

Abstract

Investigation of photo-induced processes in Sn nanocrystals covered by a submonolayer of C₆₀ anions was performed with femtosecond pump-probe method. Samples in thin films were excited by 150 fs laser pulse at 400 nm (10⁹ W/cm²). Dynamics of difference transmission and reflection has been measured in the spectral range of 1 100-1700 nm. The dynamics of relaxation are quite different for various nanostructures depending on the deposition mode and the ratio of tin and fullerene content. Relaxation, observed in the samples, is explained by electron transfer from excited anions to metal followed by energy transfer from excited C₆₀ molecules to anions in the ground state.

Citation Download Citation

Sergey Chekalin, Victor Kompanets, and Nickolai Starodubtsev "Ultrafast photoinduced processes in fullerene-metal nanostructures", Proc. SPIE 6181, Photon Echo and Coherent Spectroscopy 2005, 61810Y (9 June 2006); https://doi.org/10.1117/12.675135

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