УДК: 535.8

Photoinduced dissociation of complexes of cadmium selenide quantum dots with azo dye molecules

Annas, K.I., Gromova, Y.A., Orlova, A.O., Maslov, V.G., Fedorov, A.V., Baranov, A.V.

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Аннас К.И., Громова Ю.А., Орлова А.О., Маслов В.Г., Федоров А.В., Баранов А.В. Фотоиндуцированная диссоциация комплексов квантовых точек селенида кадмия с молекулами азокрасителя // Оптический журнал. 2014. Т. 81. № 8. С. 25–30.

Annas K.I., Gromova Yu.A., Orlova A.O., Maslov V.G., Fedorov A.V., Baranov A.V. Photoinduced dissociation of complexes of cadmium selenide quantum dots with azo dye molecules [in Russian] // Opticheskii Zhurnal. 2014. V. 81. № 8. P. 25–30.

For citation (Journal of Optical Technology):

K. I. Annas, Yu. A. Gromova, A. O. Orlova, V. G. Maslov, A. V. Fedorov, and A. V. Baranov, "Photoinduced dissociation of complexes of cadmium selenide quantum dots with azo dye molecules," Journal of Optical Technology. 81(8), 439-443 (2014). https://doi.org/10.1364/JOT.81.000439

Abstract:

This paper demonstrates photoinduced dissociation of complexes of CdSe/ZnS quantum dots with molecules of 1,2-pyridylazo naphthol under the action of external radiation of various spectral compositions and powers. It is found that energy transport from the quantum dots to the azo dye molecule appreciably contributes to the dissociation rate of the complexes. An analysis of the dissociation rate made it possible for the first time to experimentally estimate the efficiency of intracomplex energy transfer under conditions in which no luminescence of the acceptor is observed.

Keywords:

semiconductor quantum dots, nonradiative resonance energy transfer, azo dye, complexes of quantum dots with organic molecules, photodissociation of complexes

OCIS codes: 260.2160, 260.5130

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