Absorption lineshape of J-aggregates of thiacarbocyanine dyes: Experiment and numerical study

被引：15

作者：

Argyrakis, P

Basko, DM

Drobizhev, MA

Lobanov, AN

Pimenov, AV

Varnavsky, OP

VanderAuweraer, M

Vitukhnovsky, AG

机构：

[1] ARISTOTELIAN UNIV THESSALONIKI, GR-54006 THESSALONIKI, GREECE

[2] KATHOLIEKE UNIV LEUVEN, LAB MOL DYNAM & SPECTROSCOPY, B-3001 LOUVAIN, BELGIUM

来源：

CHEMICAL PHYSICS LETTERS | 1997年 / 268卷 / 5-6期

关键词：

LATTICE-VIBRATIONS; OPTICAL-PROPERTIES; LOW-TEMPERATURE; PHOTON-ECHO; EXCITON; DYNAMICS; DISORDER; LIFETIME;

D O I：

10.1016/S0009-2614(97)00232-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The experimental absorption spectra of J-aggregates of the carbocyanine dyes THIATS and TDC were fitted to a segment and a continuous energy disorder (CED) model, From 6 K to room temperature the best fits were obtained using an exponential distribution of segment lengths. Both models gave equally good fits when the average length in the segment model corresponded to the average localization length in the CED model. At room temperature homogeneous broadening or/and an enhanced contribution of the off-diagonal disorder must be taken into account.

引用

页码：372 / 380

页数：9

共 28 条

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[Anonymous], 1966, Optische Anregung organischer Systeme

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Davydov A., 1971, THEORY MOL EXCITONS

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