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Cited by 163

The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.

Constructing Organic Electroluminescent Material with Very High Color Purity and Efficiency Based on Polycyclization of the Multiple Resonance Parent Core

Xu, Yincai, Wang, Qingyang, Wei, Jinbei, Peng, Xiaomei, Xue, Jianan, Wang, Zhiheng, Su, Shi‐Jian, Wang, Yue·2022·Angewandte Chemie International Edition

Abstract

Multiple resonance thermally activated delayed fluorescence (MR‐TADF) compounds have set off an upsurge of research because of their tremendous application prospects in the field of wide color gamut display. Herein, we propose a novel MR‐TADF molecular construction paradigm based on polycyclization of the multiple resonance parent core, and construct a representative multiple resonance polycyclic aromatic hydrocarbon (MR‐PAH) based on the para‐alignment of boron and nitrogen atoms into a six‐membered ring (p‐BNR). Through the retrosynthesis analysis, a concise synthesis strategy with wide applicability has been proposed, encompassing programmed sequential boron esterification, Suzuki coupling and Scholl oxidative coupling. The target model molecule BN‐TP shows green fluorescence with an emission peak at 523 nm and a narrow full‐width at half‐maximum (FWHM) of 34 nm. The organic light‐emitting diode (OLED) employing BN‐TP as an emitter exhibits ultrapure green emission with Commission Internationale de L'Eclairage (CIE) coordinates of (0.26, 0.70), and achieves a maximum external quantum efficiency (EQE) of 35.1 %.

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Metadata

Authors
Xu, Y., Wang, Q., Wei, J., Peng, X., Xue, J., Wang, Z., Su, S., & Wang, Y.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2022-06-07
Volume
61
Issue
30
Pages
e202204652-e202204652
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W4229004491
Cited by
163
References
2
FWCI
9.50
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Constructing Organic Electroluminescent Material with Very High Color Purity and Efficiency Based on Polycyclization of the Multiple Resonance Parent Core. https://app.cochat.ai/papers/10.1002/anie.202204652
The paper
Xu, Y., Wang, Q., Wei, J., Peng, X., Xue, J., Wang, Z., Su, S., & Wang, Y. (2022). Constructing Organic Electroluminescent Material with Very High Color Purity and Efficiency Based on Polycyclization of the Multiple Resonance Parent Core. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202204652

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