OPTICAL TECHNOLOGIES SILVER NANOCLUSTERS INFLUENCE ON FORMATION OF QUANTUM DOTS IN FLUORINE PHOSPHATE GLASSES

Kolobkova Elena V, Nikonorov Nikolay V. , Vladimir A. Aseev

2012 , VOLUME 12, NUMBER 5 ( September-October )

ISSN 2226-1494 (print), ISSN 2500-0373 (online)

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Nikiforov
Vladimir O.
D.Sc., Prof.

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OPTICAL TECHNOLOGIES SILVER NANOCLUSTERS INFLUENCE ON FORMATION OF QUANTUM DOTS IN FLUORINE PHOSPHATE GLASSES

E. V. Kolobkova, N. V. Nikonorov, V. A. Aseev

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Abstract

Silver nanoclusters influence on formation of PbSe QDs in fluorine phosphate glasses Nа2О-Р2О5-Gа2О3-А1F3-ZnО(Se)-PbF2 has been studied. Absorption spectra of the glasses containing silver nanoclusters and PbSe QDs (at diameter from 3,5 nm up to 13 nm) demonstrated a shift of the first ecxitonic peak position to the longer wavelengths than Ag-free glasses under given heat-treatment conditions. Moreover the absorption coefficients of the glasses containing silver nanoclusters and PbSe QDs are higher than ones for Ag-free glasses.

Keywords: quantum dots, surface plasmonic resonance, silver nanoclusters, absorption spectra

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