Reversible polymorph-to-amorphous phase transformation based on an aggregation-dependent thermally activated delayed fluorescence emitter

Jiannai Chen; Xingshun Yang; Xinjie Xu; Rule Zhang; Dongcheng Li; Linjie Ma; Mingjiao Sun; Yujie Dong; Weijun Li; Fener Chen

doi:10.1039/d6tc00594b

January 1, 2026Journal of Materials Chemistry C

Reversible polymorph-to-amorphous phase transformation based on an aggregation-dependent thermally activated delayed fluorescence emitter

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Key Points

This research aims to explore how polymorphic structures can enhance thermally activated delayed fluorescence in organic materials.
Synthesis of the benzoimido-benzamide derivative DMAC-PYZ.
Investigation of phase transformation behavior under aggregation conditions.
Analysis of its luminescent properties through various thermal treatments.
Demonstrated that DMAC-PYZ exhibits reversible polymorph to amorphous transformation.
Showed significant enhancement in luminescence associated with thermally activated delayed fluorescence.
Identified optimum conditions for achieving enhanced light emission through aggregation.

Implication

Observes phase transformation in luminescent materials, indicating design advances in organic emitters.

Abstract

The design of suitable polymorphism thermally activated delayed fluorescence (TADF) emitters is crucial for advancing multifunctional organic luminescent materials. Herein, a unique multifunctional molecule, the benzoimido-benzamide derivative DMAC-PYZ, was synthesized...

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Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/69fadad703f892aec9b1e7e7 https://doi.org/10.1039/d6tc00594b

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Reversible polymorph-to-amorphous phase transformation based on an aggregation-dependent thermally activated delayed fluorescence emitter

Key Points

Implication

Abstract

Discussion

Cite This Study

Reversible polymorph-to-amorphous phase transformation based on an aggregation-dependent thermally activated delayed fluorescence emitter

Key Points

Implication

Abstract

Discussion

Cite This Study

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