DOI: 10.17586/2226-1494-2015-15-2-359-361


LUMINESCENCE OF CADMIUM SULFIDE QUANTUM DOTS IN FLUOROPHOSPHATE GLASSES

Z. O. Lipatova, E. V. Kolobkova, V. A. Aseev


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Article in Russian

For citation: Lipatova Zh.O., Kolobkova E.V., Aseev V.A. Luminescence of cadmium sulfide quantum dots in fluorophosphate glasses. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2015, vol.15, no. 2, pp. 359–361.

Abstract
Cadmium sulfide quantum dots are perspective materials in optics, medicine, biology and optoelectronics. Fluorophosphate glasses, doped with cadmium sulfide quantum dots, were examined in the paper. Heat treatment led to the
formation of quantum dots with diameters equal to 2.8 nm, 3.0 nm and 3.8 nm. In view of such changes in the quantum dots size the fundamental absorption edge shift and the luminescence band are being displaced to the long wavelengths. Luminescence lifetime has been found to be dependent on the registration wavelength in the range from 450 to 700 nm. Obtained fluorophosphate glasses with CdS quantum dots can find their application as fluorescent materials with intensive luminescence band and long excited-state natural lifetime.

Keywords: quantum dots, luminescence, absorption, fluorophosphate glasses.

Acknowledgements. This work was financially supported by the Russian Scientific Foundation (Agreement # 14-23-00136).

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