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Full-color-tunable Chiral Aggregation-induced Emission Fluorophores with Tailored Propeller Chirality and their Circularly Polarized Luminescence
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  • Yifan Li,
  • Junhao Liang,
  • Shiwei Fu,
  • Haoxin Huang,
  • Sheng Liu,
  • Lei Wang,
  • Yi Liu
Yifan Li
Shenzhen University College of Materials Science and Engineering
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Junhao Liang
Shenzhen University College of Materials Science and Engineering
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Shiwei Fu
Shenzhen University College of Materials Science and Engineering
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Haoxin Huang
Shenzhen University College of Materials Science and Engineering
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Sheng Liu
Shenzhen University College of Materials Science and Engineering
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Lei Wang
Shenzhen University College of Materials Science and Engineering
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Yi Liu
Shenzhen University College of Materials Science and Engineering

Corresponding Author:liuyiacee@szu.edu.cn

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Abstract

The regulation of emission color, emission efficiency and asymmetry factor is of great significance for the real applications of circularly polarized luminescent (CPL) materials. Herein, we develop a modular synthetic strategy toward full-color-tunable CPL materials based on chiral macrocyclic aggregation-induced emission (AIE) luminogens via delicate molecular engineering. Modular synthesis of chiral AIEgens with different acceptor moieties has afforded series of bright solid emitters with tunable emission colors. These chiral cyclic AIEgens have retained high solid state emission quantum yield and displayed CPL emission from blue to red as nano-aggregates, in liquid crystal matrix and polymer film. The strong acceptor units in the red-emitting chiral AIEgens RBTPE-2CN and SBTPE-2CN have rendered them twisted intramolecular charge transfer property and solvatochromic luminescence. And polymer matrix with different polarity further facilitates the tuning of CPL emission color from green to red emission. These results have paved a reliable approach toward constructing full-spectra solid-state CPL material.
Submitted to Aggregate
18 Apr 2024Submission Checks Completed
18 Apr 2024Assigned to Editor
05 Jun 2024Assigned to Editor
05 Jun 2024Submission Checks Completed
05 Jun 2024Review(s) Completed, Editorial Evaluation Pending
06 Jun 2024Editorial Decision: Accept