Abstract

AbstractCoexistence of free and self‐trapped exciton in amphi‐PIC J‐aggregates is proved by the numerous experimental data presented and analyzed. The self‐trapping states are shown to originate from delocalized exciton states exhibiting collective nature of polaronic relaxation. The strong correlation between the efficiency of exciton self‐trapping and static disorder degree in J‐aggregates has been shown. In amphi‐PIC J‐aggregates the polaronic state formation found out to require the overcoming an energy barrier which appears for quasi‐one‐dimension system as a result of combination of one‐dimensional exciton motion and three‐dimension lattice deformation. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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