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Titolo:
Evidence of the dynamic disordering effects in PICCl J-aggregates from picosecond spectroscopy
Autore:
Gaizauskas, E; Pakalnis, S; Feller, KH;
Indirizzi:
Univ Appl Sci, D-07745 Jena, Germany Univ Appl Sci Jena Germany D-07745Univ Appl Sci, D-07745 Jena, Germany Vilnius State Univ, Ctr Laser Res, LT-2054 Vilnius, Lithuania Vilnius State Univ Vilnius Lithuania LT-2054 LT-2054 Vilnius, Lithuania
Titolo Testata:
CHEMICAL PHYSICS
fascicolo: 1, volume: 266, anno: 2001,
pagine: 69 - 75
SICI:
0301-0104(20010501)266:1<69:EOTDDE>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
PUMP-PROBE SPECTROSCOPY; BIEXCITONS; COHERENCE; EXCITONS;
Keywords:
J-aggregates; transient spectra; high excitation intensities; dynamic disorder;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Feller, KH Univ Appl Sci, Carl Zeiss Promenade 2B, D-07745 Jena, Germany Univ Appl Sci Carl Zeiss Promenade 2B Jena Germany D-07745 any
Citazione:
E. Gaizauskas et al., "Evidence of the dynamic disordering effects in PICCl J-aggregates from picosecond spectroscopy", CHEM PHYS, 266(1), 2001, pp. 69-75

Abstract

We employ a pump-probe approach to strongly excited molecular aggregates to study disordering processes. The experimental data obtained for PIC Cl J-aggregates at room temperature are discussed on the basis of the theory, which takes into account the effect of dynamic disordering in one-dimensionalmolecular systems. Experimentally measured features of the spectral position and magnitude of the difference absorption spectra are shown as appeareddue to 'hot' processes of off-diagonal disordering of an excited aggregateafter the annihilation event. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 27/09/20 alle ore 13:18:45