2023
DOI: 10.1021/acs.jpclett.3c02468
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Light-Controlled Switching of Perylene Bisimide Assemblies

Hee-won Bahng,
Cathrin D. Ertl,
Jennifer Yuan
et al.

Abstract: Light-driven changes in supramolecular interactions in perylene bisimides (PBIs) with pendant sulfur-containing functional groups at the bay position are demonstrated. In the ground state, a noncovalent S•••X interaction between the σ-hole on sulfur and a heteroatom, X (X = O, N, S), of a neighboring molecule is the main driving force for intermolecular interactions, while in the excited state it is the π−π interaction between PBI scaffolds which drives assembly. The presence of heteroatoms in the solvent resu… Show more

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