A novel orange-red thermally activated delayed fluorescence emitter with high molecular rigidity and planarity realizing 32.5% external quantum efficiency in organic light-emitting diodes-Reference-Cited by-同舟云学术

A novel orange-red thermally activated delayed fluorescence emitter with high molecular rigidity and planarity realizing 32.5% external quantum efficiency in organic light-emitting diodes

Published:2022 Issue:9 Volume:9 Page:2425-2432
ISSN:2051-6347
Container-title:Materials Horizons
language:en
Short-container-title:Mater. Horiz.

Author:

Zhang Heng-Yuan¹,Yang Hao-Yu¹,Zhang Ming¹²,Lin Hui¹^ORCID,Tao Si-Lu¹^ORCID,Zheng Cai-Jun¹^ORCID,Zhang Xiao-Hong²^ORCID

Affiliation:

1. School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, 610054, P. R. China

2. Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, 215123, P. R. China

Abstract

With high molecular rigidity and planarity, the orange-red emitter SAF-2NP realized ΦPL and Θ‖ of 99% and 85%, respectively. The optimal device demonstrated a maximum external quantum efficiency of 32.5% with an emission peak of 576 nm.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Electrical and Electronic Engineering,Process Chemistry and Technology,Mechanics of Materials,General Materials Science

Link

http://pubs.rsc.org/en/content/articlepdf/2022/MH/D2MH00639A

Reference39 articles.

1. Stable pure-blue hyperfluorescence organic light-emitting diodes with high-efficiency and narrow emission

2. High‐Efficiency Red Organic Light‐Emitting Diodes with External Quantum Efficiency Close to 30% Based on a Novel Thermally Activated Delayed Fluorescence Emitter

3. Thermally Activated Delayed Fluorescent Dendrimers that Underpin High‐Efficiency Host‐Free Solution‐Processed Organic Light‐Emitting Diodes