Non-doped luminescent material based organic light-emitting devices displaying high brightness under very low driving voltage

Author:

Li Chenglong12345,Wei Jinbei12345,Song Xiaoxian12345,Ye Kaiqi12345,Zhang Hongyu12345,Zhang Jingying12345,Wang Yue12345

Affiliation:

1. State Key Laboratory of Supramolecular Structure and Materials

2. College of Chemistry

3. Jilin University

4. Changchun

5. P. R. China

Abstract

Two phenanthro[9,10-d]imidazole (PI) derivatives, DPAA-PPI and tBuDPAA-PPI, were synthesized. The non-doped OLEDs with DPAA-PPI and tBuDPAA-PPI as emitters displayed very low driving voltages, high brightness and maximum external quantum efficiencies (EQE) of 5.2% and 4.1%, respectively.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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