Synergistically Boosting the Circularly Polarized Luminescence of Functionalized Pillar (5) arenes by Polymerization and Aggregation

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Abstract: Supramolecular polymers based on chiral macrocycles have attracted increasing attention in the field of circularly polarized luminescence (CPL) owing to their unique properties. However, the construction of macrocyclic supramolecular polymers with highly efficient CPL properties in aggregate states still remains challenging. Herein, w e constructed a class of macrocycle‐based coordination polymers by combining the planar chiral properties of pillar[5]arene with the excellent fluorescence properties of aggregation‐induced emission luminogens. The formation of polymers enhances both the fluorescence and chiral properties, resulting in chiral supramolecular polymers with remarkable CPL properties. Increasing the aggregation degree of the polymers can further improve their CPL properties, as evidenced by a 21‐fold increase in the dissymmetry factor and an over 25‐fold increase in the fluorescence quantum yield in the aggregate state compared to the solution state. Such a synergistic effect of polymerization‐ and aggregation‐enhanced CPL can be explained by the restriction of intramolecular motions and aggregation‐induced conformation confinement. This work provides a promising method for developing highly efficient CPL supramolecular polymers.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Synergistically Boosting the Circularly Polarized Luminescence of Functionalized Pillar (5) arenes by Polymerization and Aggregation ; day:22 ; month:10 ; year:2023 ; extent:10
Advanced science ; (22.10.2023) (gesamt 10)

Urheber
Yan, Hewei
Yin, Xiaojun
Wang, Dong
Han, Ting
Tang, Ben Zhong

DOI
10.1002/advs.202305149
URN
urn:nbn:de:101:1-2023102315112190692487
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
16.04.2035, 16:39 MESZ

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Beteiligte

  • Yan, Hewei
  • Yin, Xiaojun
  • Wang, Dong
  • Han, Ting
  • Tang, Ben Zhong

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