Concentration Increase of the Singlet-Oxygen Generation Quantum Yield by an Indotricarbocyanine Dye

Regularities in the generation of singlet oxygen sensitized by the indotricarbocyanine dye HITC with I – and ClO 4 – anions in highly and slightly polar solvents were studied as functions of dye concentration (C d ). The yield of singletoxygen formation (γ Δ ) by HITC (I – ) increased in slightly po...

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Bibliographic Details
Published in:Journal of applied spectroscopy 2014-05, Vol.81 (2), p.214-221
Main Authors: Samtsov, M. P., Tarasau, D. S., Stasheuski, A. S., Kaplevsky, K. N., Voropay, E. S.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Atomic/Molecular Structure and Spectra
Dichlorobenzene
Physics
Physics and Astronomy
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Summary:Regularities in the generation of singlet oxygen sensitized by the indotricarbocyanine dye HITC with I – and ClO 4 – anions in highly and slightly polar solvents were studied as functions of dye concentration (C d ). The yield of singletoxygen formation (γ Δ ) by HITC (I – ) increased in slightly polar solvents as its concentration increased. It was shown that HITC with C d < 10 –7 M in CHCl3 and
ISSN:0021-9037
1573-8647
DOI:10.1007/s10812-014-9912-y