Quadruple π stack of two perylene bisimide tweezers: a bimolecular complex with kinetic stability

Changzhun Shao; Matthias Stolte; Frank Würthner

doi:10.1002/anie.201302479

Quadruple π stack of two perylene bisimide tweezers: a bimolecular complex with kinetic stability

Angew Chem Int Ed Engl. 2013 Jul 15;52(29):7482-6. doi: 10.1002/anie.201302479. Epub 2013 Jun 11.

Authors

Changzhun Shao¹, Matthias Stolte, Frank Würthner

Affiliation

¹ Universität Würzburg, Institut für Organische Chemie and Center for Nanosystems Chemistry, Am Hubland, 97074 Würzburg, Germany.

PMID: 23757369
DOI: 10.1002/anie.201302479

Abstract

Self-assembly: A tweezer-type perylene bisimide (PBI) dyad self-assembles into a defined bimolecular complex composed of a quadruple PBI π stack with remarkable kinetic stability, which is unprecedented for π-stacked dye aggregates (see picture). These persistent supramolecular species are of considerable interest for the elucidation of functional properties of dye aggregates.

Keywords: dyes/pigments; kinetic trapping; self-assembly; tweezers; π stacks.