Rational molecular design of phenanthroimidazole-based fluorescent materials towards high-efficiency non-doped deep blue OLEDs

Author:

Du Chunya1,Lu Tong1,Cheng Zhuang1,Chang Yulei2ORCID,Liu Hui3,Wang Jun4,Wan Liang1,Lv Ying2,Lu Ping1ORCID

Affiliation:

1. State Key Laboratory of Supramolecular Structure and Materials, Department of Chemistry, Jilin University, Changchun 130012, China

2. State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

3. College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China

4. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer, Key Laboratory of High Performance Plastics, Ministry of Education, College of Chemistry, Jilin University, Changchun, 130012, China

Abstract

The non-doped device of novel deep-blue emission material PPI-3-SBF with weak intramolecular charge transfer characteristics achieves a maximum EQE of 8.41% with CIEy = 0.07.

Funder

National Natural Science Foundation of China

State Key Laboratory of Luminescence and Applications

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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