Synthesis of highly photostable NIR-emitting quantum dots CdTeSe/CdS/CdZnS/ZnS

Abstract

The use of near IR (NIR) fluorescent labels is promising in such areas as molecular biology, diagnostics and imaging, because this spectrum region is absorbed minimally by tissues and is significantly shifted from the autofluorescence spectra of biological materials. The development of NIR LED sources is of interest as well. One of the key limitations of most NIR fluorophores is lack of stability to environmental conditions, in particular their low photostability. In this paper we propose a method of synthesis of luminescent core/shell cadmium telluride-selenide nanoparticles with quantum yield of 80% and increased resistance to photodegradation.

Original language	English
Pages (from-to)	337-343
Number of pages	7
Journal	Nanotechnologies in Russia
Volume	11
Issue number	5-6
DOIs	https://doi.org/10.1134/S199507801603006X
Publication status	Published - 1 May 2016

ASJC Scopus subject areas

Condensed Matter Physics
Materials Science(all)
Engineering(all)

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title = "Synthesis of highly photostable NIR-emitting quantum dots CdTeSe/CdS/CdZnS/ZnS",

abstract = "The use of near IR (NIR) fluorescent labels is promising in such areas as molecular biology, diagnostics and imaging, because this spectrum region is absorbed minimally by tissues and is significantly shifted from the autofluorescence spectra of biological materials. The development of NIR LED sources is of interest as well. One of the key limitations of most NIR fluorophores is lack of stability to environmental conditions, in particular their low photostability. In this paper we propose a method of synthesis of luminescent core/shell cadmium telluride-selenide nanoparticles with quantum yield of 80% and increased resistance to photodegradation.",

author = "Dezhurov, {S. V.} and Trifonov, {A. Yu} and Lovygin, {M. V.} and Rybakova, {A. V.} and Krylsky, {D. V.}",

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AU - Rybakova, A. V.

AU - Krylsky, D. V.

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AB - The use of near IR (NIR) fluorescent labels is promising in such areas as molecular biology, diagnostics and imaging, because this spectrum region is absorbed minimally by tissues and is significantly shifted from the autofluorescence spectra of biological materials. The development of NIR LED sources is of interest as well. One of the key limitations of most NIR fluorophores is lack of stability to environmental conditions, in particular their low photostability. In this paper we propose a method of synthesis of luminescent core/shell cadmium telluride-selenide nanoparticles with quantum yield of 80% and increased resistance to photodegradation.

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Synthesis of highly photostable NIR-emitting quantum dots CdTeSe/CdS/CdZnS/ZnS

Abstract

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