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Chemicals, plastics and rubber industries

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Abstracts » Chemicals, plastics and rubber industries

Self-trapped excitons in LH2 antenna complexes between 5 K and ambient tempera

Article Abstract:

The combination of high spectral-resolution hole-burning and fluorescence line-narrowing investigations applicable at low temperatures with conventional broadband spectroscopy and picosecond time-resolved fluorescence lifetime measurements at higher temperatures are studied. Results revealing physical parameters characterizing exciton polarons in the B850 aggregate are evaluated.

Author: Timpmann, Kou, Freiberg, Arvi, Ratsep, Margus, Trinkunas, Gediminas, Woodbury, Neil W.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
Usage, Fluorescence, Spectrum analysis, Spectroscopy

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Excitons in molecular aggregates of 3,3'-bis[3-sulfopropyl]-5,5'-dichloro-9-ethylthiacarbocyanine (THIATS): temperature dependant properties.

Article Abstract:

The optical and electronic properties of the J-aggregate of the dye THIATS (triethylammonium salt of 3,3'-bis[3-sulfopropyl]-5,5'-dichloro-9-ethylthiacarbocyanine) by application of the excitons theory is explained. This application is observed at the temperature range 5 to 130K and at room temperature.

Author: Van der Auweraer, M., Vitukhnovsky, A.G., Schebylkin, I.G., Sliusarenko, O.Yu., Lepnev, L.S.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2001
Optical properties, Thermal properties, Ammonium compounds, Ammonium chloride, Ammonium paratungstate, Ammonium salts

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A kinetic model for J-aggregate dynamics

Article Abstract:

A new study seeks to construct a self-consistent model of the 3,3'-disulfopropyl-5,5'-dichloro-thiacarbocyanine J-aggregate by coincidental simulation of both the emission and absorption spectra together with luminescence decay profiles.

Author: Gallos, L.K., Pimenov, A.V., Scheblykin, I.G., Van der Auweraer, M., Hungerford, G., Varnavsky, O.P., Vitukhnovsky, A.G., Argyrakis, P.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2000
Monomolecular films

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Subjects list: Research, Analysis, Chemistry, Physical and theoretical, Physical chemistry, Exciton theory, Excitons
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