Tuning the space and charge molecular delocalization of Highly Efficient Blue TADF Emitters Based on a 3,4,6,7,9,10-Hexahydroacridine-1,8(2H,5H)-dione Acceptor

Mageshwari Anandan; Sohrab Nasiri; Praveen Managutti; Sharmarke Mohamed; Juozas Padgurskas; Raimundas Rukuiža; Jean‐Michel Nunzi; Venkatramaiah Nutalapati; Yuning Li

doi:10.1039/d6tc01665k

January 1, 2026Journal of Materials Chemistry COpen Access

Tuning the space and charge molecular delocalization of Highly Efficient Blue TADF Emitters Based on a 3,4,6,7,9,10-Hexahydroacridine-1,8(2H,5H)-dione Acceptor

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Key Points

The aim is to develop stable and efficient blue TADF emitters by tuning molecular delocalization.
Development of blue TADF emitters based on a specific molecular structure.
Evaluation of excited-state energy and singlet-triplet energy splitting (ΔEST).
Analysis of nonradiative decay rates to assess efficiency.
Achieved high excited-state energy in newly designed emitters.
Reduced singlet-triplet energy splitting (ΔEST) improving overall performance.
Demonstrated suppressed nonradiative decay leading to increased efficiency.

Implication

Demonstrates tuning molecular delocalization improves efficiency of blue TADF emitters, suggesting design insights for better materials.

Abstract

Development of stable and efficient blue thermally activated delayed fluorescence (TADF) emitters remains challenging due to intrinsic trade-offs among high excited-state energy, small singlet–triplet energy splitting (ΔEST), suppressed nonradiative decay,...

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Cite This Study

Anandan et al. (2026) studied this question.

synapsesocial.com/papers/6a34dd1d65a5b0777af2cf69 https://doi.org/10.1039/d6tc01665k

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Tuning the space and charge molecular delocalization of Highly Efficient Blue TADF Emitters Based on a 3,4,6,7,9,10-Hexahydroacridine-1,8(2H,5H)-dione Acceptor

Key Points

Implication

Abstract

Discussion

Cite This Study

Tuning the space and charge molecular delocalization of Highly Efficient Blue TADF Emitters Based on a 3,4,6,7,9,10-Hexahydroacridine-1,8(2H,5H)-dione Acceptor

Key Points

Implication

Abstract

Discussion

Cite This Study

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