Switch of dimensionality of exciton diffusion in aggregates

The ultrafast exciton dynamics in J-aggregates of a perylene bisimide dye is investigated for temperatures down to 77 K revealing at low temperatures a decrease of the exciton mobility and a change in the dimensionality.

Bibliographic Details
Main Authors: Wolter Steffen, Würthner Frank, Kühn Oliver, Lochbrunner Stefan
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:EPJ Web of Conferences
Online Access:https://www.epj-conferences.org/articles/epjconf/pdf/2019/10/epjconf_up2019_06015.pdf