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Title | Formation of J-aggregates of Thiamonomethincyanine Dyes in the Presence of CdTe Nanoparticles |
Authors |
Dimitriev, O.
Petrenko, V. Slominski, Yu. Mazarchyk, I. |
ORCID | |
Keywords |
J-aggregates Nanocrystals of CdTe Composite Films Hybrid Aggregates Monomers Dimers |
Type | Conference Papers |
Date of Issue | 2012 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/35442 |
Publisher | Sumy State University |
License | |
Citation | Formation of J-aggregates of Thiamonomethincyanine Dyes in the Presence of CdTe Nanoparticles / O. Dimitriev, V. Petrenko, Y. Slominski, I. Mazarchyk // Nanomaterials: Applications & Properties (NAP-2012) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2012. - V. 1, No4. - 04FCNF06 |
Abstract |
The conditions of formation of J-aggregates for three types of thiamonomethincyanine dyes, whose
structure is differed by end groups, are studied depending on their concentration and type of interaction
with CdTe nanoparticles with size of about 3 nm in aqueous dispersions. The influence of dye structure on
the efficiency of formation of J-aggregates in solutions and in films was found. It was found that quantum
dots (QDs) of CdTe stabilized by thioglycolic acid can adsorb J-aggregates of the dye molecules on their
surface. It was shown for the first time that the hybrid structure of dye-CdTe can be formed through the
interaction of negatively charged dye molecules and negatively charged surface of the QDs through the
formation of neutral aggregates. It was not found any processes of energy transfer from dye to the particles
of CdTe neither for the dimer - CdTe system nor for the J-aggregates – CdTe system.
When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35442 |
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