Room-temperature phosphorescence as an indicator of triplet-triplet energy transfer between dyes and polycyclic aromatic hydrocarbons solubilized in anionic micelles

G. V. Melnikov; S. Shtykov; I. Goryacheva

doi:10.1117/12.380119

20 March 2000 Room-temperature phosphorescence as an indicator of triplet-triplet energy transfer between dyes and polycyclic aromatic hydrocarbons solubilized in anionic micelles

G. V. Melnikov, S. Shtykov, I. Goryacheva

Author Affiliations +

Proceedings Volume 4002, Saratov Fall Meeting '99: Laser Physics and Spectroscopy; (2000) https://doi.org/10.1117/12.380119
Event: Saratov Fall Meeting '99, 1999, Saratov, Russian Federation

Abstract

The present work is aimed at investigating the triplet- triplet excitation energy transfer process between dyes and polycyclic aromatic hydrocarbons in microheterogeneous micellar solutions of sodium dodecylsulphate. The result of the transfer is the sensitized room-temperature phosphorescence of polycyclic aromatic hydrocarbons observed for the first time. Spectral and photophysical properties of donor and acceptor solubilized in the micelles were studied, constants characterizing the `heavy atom' effect on the singlet and triplet states of the lumiphor were determined. The constant of the triplet energy transfer between triphaflavine (donor) and pyrene (acceptor) was obtained.

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G. V. Melnikov, S. Shtykov, and I. Goryacheva "Room-temperature phosphorescence as an indicator of triplet-triplet energy transfer between dyes and polycyclic aromatic hydrocarbons solubilized in anionic micelles", Proc. SPIE 4002, Saratov Fall Meeting '99: Laser Physics and Spectroscopy, (20 March 2000); https://doi.org/10.1117/12.380119

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