Self-assembly of hybrid “Organic dye J-aggregate/semiconductor” nanostructures in AOT/waterhexane reverse micelles

Nikolenko, L. M.; Бричкин, С. Б.; Nikolaeva, T. M.; Разумов, В. Ф.

doi:10.1134/s1995078009010029

Cited by 3 publications

(2 citation statements)

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“…Some of the first characteristic traits of J-aggregation of polymethine dyes in the presence of AgBr and AgCl nanoparticles with a size of 3 to 5 nm were established during the synthesis under the conditions of reverse micelles [23]. The possibility of the controlled hybrid association in reverse micelles was shown for colloidal AgI QDs and J-aggregates of thiatrimethincyanine [24].…”

Section: Introductionmentioning

confidence: 99%

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The formation and luminescent properties of hybrid associates of colloidal Ag2S quantum dots with J-aggregates of trimethinecyanine dye

2016

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Spectral patterns of hybrid association in the mixture of colloidal Ag 2 S quantum dots (QDs) with an average size of 2.5 to 0.3 nm with J-aggregates of a pyridinium salt of 3,3'-di(γ-sulphopropyl)-9-ethyl-4,5,4',5-dibenzothiacarbocyanine betaine (Dye), prepared by the sol-gel method in gelatin, are investigated. A conclusion about the preferential formation of cis-J-aggregates in the hybrid associates of Dye with Ag 2 S QDs is made. The effect of photosensitization of IR luminescence (1000-1300 nm) of colloidal Ag 2 S QDs by J-aggregates of Dye is revealed. On the basis of the results, a photosensitization scheme implying the resonance nonradiative transfer of the electronic excitation energy from cis-J-aggregates to the recombination luminescence centers of Ag 2 S QDs is suggested.

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Section: Introductionmentioning

confidence: 99%

“…The possibility of the controlled hybrid association in reverse micelles was shown for colloidal AgI QDs and J-aggregates of thiatrimethincyanine [24]. Further progress in this direction was associated with studies on colloidal QDs of the A 2 B 6 group compounds (CdTe [25], CdSe/ZnS [26], CdSe/ZnCdS [27], ZnSe/CdSe/ZnS [26], CdS [28]).…”

Section: Introductionmentioning

confidence: 99%