Ultrafast bi-excitonic dynamics and annihilation in molecular and mesoscopic systems

We present 5th and 3rd order 2D spectra of a squarine trimer. Slowly decaying (τ = 0.8 ps) and intensity dependent features unique to the 5th order signal are attributed to exciton-exciton annihilation.

Bibliographic Details
Main Authors: Malevich Pavel, Heshmatpour Constantin, Lincoln Craig N., Ceymann Harald, Schreck Maximilian H., Hauer Jürgen
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_06013.pdf