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Excitonic coupling in covalently-bound Perylene Bisimide dimers revealed by two-dimensional electronic spectroscopy

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Abstract

Supramolecular structures based on Perylene Bisimides (PBIs) have been extensively studied because of their fundamental photophysical properties and for their application in a range of different optoelectronic devices.

Two-dimensional electronic spectroscopy (2D-ES) is the most complete third order (χ(3)) technique, it has been shown that it is particularly useful to disentangle close-lying energy levels and to reveal dynamics in coupled molecular systems.

Two different PBI covalently “head-to-tail” bound dimers (D0 and D1) with increasing interchromophoric separation, and a reference monomer (M) were synthesised and studied by means of 2D-ES in order to characterise the 1 to 2-exciton state transition and how its behaviour changes in relation to the PBI-PBI distance.

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Original languageEnglish
Publication statusPublished - Jul 2018
Peer-reviewedYes
EventCMDS 2018 - Korea University, Seoul, South Korea
Duration: 25 Jun 2018 → …
https://cmds2018.org/

Conference

ConferenceCMDS 2018
CountrySouth Korea
CitySeoul
Period25/06/18 → …
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