Size-dependent luminescence of small palladium particles

Adelt, Maik; Nepijko, Sergej A.; Drachsel, Wolfgang; Freund, Hans-Joachim

doi:10.1016/S0009-2614(98)00620-4

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Size-dependent luminescence of small palladium particles

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Adelt, Maik
Chemical Physics, Fritz Haber Institute, Max Planck Society;

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Nepijko, Sergej A.
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Drachsel, Wolfgang
Chemical Physics, Fritz Haber Institute, Max Planck Society;

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Freund, Hans-Joachim
Chemical Physics, Fritz Haber Institute, Max Planck Society;

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Citation

Adelt, M., Nepijko, S. A., Drachsel, W., & Freund, H.-J. (1998). Size-dependent luminescence of small palladium particles. Chemical Physics Letters, 291(3-4), 425-432. doi:10.1016/S0009-2614(98)00620-4.

Cite as: https://hdl.handle.net/21.11116/0000-0007-1A57-B

Abstract

We report cathodoluminescence spectra of small Pd clusters of various size deposited on a thin, well-ordered oxide film. The size distribution of the deposited metal aggregates can be chosen and deliberately varied. The luminescence spectra vary characteristically as a function of the variation of particle size. The resonance energy at the highest luminescence energy with decreasing average particle size vary as expected for electronic states in a quantum confined metal particle. For an average aggregate size of 10 Å the luminescence is maximum.