Spectroluminescent properties of cadmium selenide nanoparticles synthesized in AOT reverse micelles

Author： Gak V.   Brichkin S.   Razumov V.  

Publisher： MAIK Nauka/Interperiodica

ISSN： 0018-1439

Source： High Energy Chemistry, Vol.44, Iss.6, 2010-11, pp. : 524-529

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Abstract

Cadmium selenide nanoparticles have been synthesized in solutions of AOT/water/n-heptane reverse micelles with average micelle water pool diameters of 25, 30, and 47 Å using cadmium sulfate (CdSO4) and sodium selenosulfate (Na2SeSO3) as precursors. Absorption and fluorescence spectra of the obtained nanoparticles were recorded. The picosecond dynamics of fluorescence decay over the entire range of their emission band have been investigated by time-resolved fluorescence spectroscopy. A procedure for the stabilization of nanoparticles by dodecanethiol was developed for electron microscopy analysis.

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