Singlet-Oxygen Sensitization by Associates of Methylene Blue with Colloidal Ag 2 S Quantum Dots Passivated by Thioglycolic Acid

O. V. Ovchinnikov; M. S. Smirnov; T. S. Kondratenko; A. S. Perepelitsa; I. G. Grevtseva; S. V. Aslanov

doi:10.1134/S0030400X18070214

Singlet-Oxygen Sensitization by Associates of Methylene Blue with Colloidal Ag₂S Quantum Dots Passivated by Thioglycolic Acid

Authors: Ovchinnikov O.V.¹, Smirnov M.S.¹, Kondratenko T.S.¹, Perepelitsa A.S.¹, Grevtseva I.G.¹, Aslanov S.V.¹
Affiliations:
1. Voronezh State University
Issue: Vol 125, No 1 (2018)
Pages: 107-112
Section: Nanophotonics
URL: https://ogarev-online.ru/0030-400X/article/view/165751
DOI: https://doi.org/10.1134/S0030400X18070214
ID: 165751

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Abstract

Luminescence studies of singlet-oxygen photosensitization by methylene blue molecules in various solvents, as well as by hybrid associates of this dye with colloidal Ag₂S quantum dots with average sizes of 2.0, 2.4, and 2.7 nm, are performed. The conditions for simultaneous singlet-oxygen photosensitization and detection of the IR luminescence of colloidal Ag₂S quantum dots passivated by thioglycolic acid are determined.