Acceptor modification of diindolocarbazole embedded multiple-resonance emitters for efficient narrowband deep-blue OLEDs with CIE<sub><i>y</i></sub> ≤ 0.08 and alleviated efficiency roll-off-Reference-Cited by-同舟云学术

Acceptor modification of diindolocarbazole embedded multiple-resonance emitters for efficient narrowband deep-blue OLEDs with CIE_y ≤ 0.08 and alleviated efficiency roll-off

Published:2024 Issue:7 Volume:12 Page:2485-2492
ISSN:2050-7526
Container-title:Journal of Materials Chemistry C
language:en
Short-container-title:J. Mater. Chem. C

Author:

Wang Shuxin¹²,Zhou Jianping³,Jin Jibiao¹²,Mai Minqiang³,Tsang Chui-Shan¹,Lee Lawrence Yoon Suk¹^ORCID,Duan Lian³^ORCID,Wong Wai-Yeung¹²^ORCID

Affiliation:

1. Department of Applied Biology and Chemical Technology and Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China

2. The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, P. R. China

3. Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China

Abstract

We designed and synthesized two efficient narrowband deep-blue emitters, pICz-PPO and pICz-2PPO, via an acceptor modification strategy to optimize the charge carrier mobility and thus addressed the efficiency roll-off issue.

Funder

CAS-Croucher Funding Scheme for Joint Laboratories

National Key Research and Development Program of China

National Natural Science Foundation of China

Research Grants Council, University Grants Committee

Hong Kong Polytechnic University

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/TC/D3TC03808D

Reference65 articles.

1. Achieving Ultimate Narrowband and Ultrapure Blue Organic Light‐Emitting Diodes Based on Polycyclo‐Heteraborin Multi‐Resonance Delayed‐Fluorescence Emitters