Issue 27, 2020
From the journal:

Journal of Materials Chemistry C

Hole transport layer-free deep-blue OLEDs with outstanding colour purity and high efficiency†

Fei Huang,ab   Hongli Liu, ORCID logo *ab   Wei Sun,ab   Xianggao Li ORCID logo ab  and  Shirong Wang ORCID logo *ab  

* Corresponding authors

a Tianjin University, School of Chemical Engineering and Technology, Tianjin 300072, China
E-mail: liuhongli@tju.edu.cn, wangshirong@tju.edu.cn

b Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China

Abstract

Hole transport layer-free deep-blue OLEDs were fabricated and excimer emission was greatly suppressed by modifying ITO. They displayed CIE color coordinates of (0.162, 0.028), and the deepest blue colour among blue OLEDs ever reported. Meanwhile, a FWHM of only 38 nm, a maximum EQE of 4.43% and a slight efficiency roll-off were obtained.

Graphical abstract: Hole transport layer-free deep-blue OLEDs with outstanding colour purity and high efficiency

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Article information

DOI
https://doi.org/10.1039/D0TC01684E
Article type
Communication
Submitted
03 Apr 2020
Accepted
12 May 2020
First published
19 May 2020

J. Mater. Chem. C, 2020,8, 9184-9188

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Hole transport layer-free deep-blue OLEDs with outstanding colour purity and high efficiency

F. Huang, H. Liu, W. Sun, X. Li and S. Wang, J. Mater. Chem. C, 2020, 8, 9184 DOI: 10.1039/D0TC01684E

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