Isomeric spiro-[acridine-9,9′-fluorene]-2,6-dipyridylpyrimidine based TADF emitters: insights into photophysical behaviors and OLED performances

Author:

Ganesan Paramaguru1234ORCID,Chen Deng-Gao5674,Liao Jia-Ling1234,Li Wei-Cheng89104,Lai Yi-Ning89104,Luo Dian89104,Chang Chih-Hao89104ORCID,Ko Chang-Lun11124,Hung Wen-Yi11124ORCID,Liu Shun-Wei1314154ORCID,Lee Gene-Hsiang5674,Chou Pi-Tai5674ORCID,Chi Yun123416ORCID

Affiliation:

1. Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters

2. National Tsing Hua University

3. Hsinchu 30013

4. Taiwan

5. Department of Chemistry

6. National Taiwan University

7. Taipei 10617

8. Department of Photonics Engineering

9. Yuan Ze University

10. Chung-Li 32003

11. Institute of Optoelectronic Sciences

12. National Taiwan Ocean University

13. Department of Electronic Engineering

14. Ming Chi University of Technology

15. New Taipei 24301

16. Department of Materials Science and Engineering and Department of Chemistry

Abstract

TADF molecules with various dipyridylpyrimidine acceptors are synthesized and exhibited a max. EQE of 14.1% for a non-doped OLED device architecture.

Funder

Ministry of Science and Technology, Taiwan

Ministry of Education

City University of Hong Kong

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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