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- Title
Efficient Red Electroluminescence From Phenanthro[9,10‐d]imidazole‐Naphtho[2,3‐c][1,2,5]thiadiazole Donor‐Acceptor Derivatives.
- Authors
Tang, Xiangyang; Liu, Hui; Liu, Futong; He, Xin; Xu, Xuehui; Chen, Jianwu; Peng, Qiming; Lu, Ping
- Abstract
Red emission is one of the three primary colors and is indispensable for full color displays. Fluorescent materials that can generate efficient red electroluminescence (EL) are limited and need to be developed. In this work, we report efficient red emitters based on phenanthro[9,10‐d]imidazole‐naphtho[2,3‐c][1,2,5]thiadiazole donor‐acceptor derivatives. The molecules, abbreviated as PINzP and PINzPCN, exhibited high photoluminescence quantum yield (PLQY) up to unity in doped films. They can also reach a relatively high PLQY of ∼30% in neat films. PINzP and PINzPCN were capable of generating efficient red EL in doped devices with a maximum external quantum efficiency (EQE) of 6.96% and 5.92%, respectively.
- Subjects
ELECTROLUMINESCENCE; QUANTUM efficiency; LIGHT emitting diodes; PHOTOLUMINESCENCE
- Publication
Chemistry - An Asian Journal, 2021, Vol 16, Issue 14, p1942
- ISSN
1861-4728
- Publication type
Article
- DOI
10.1002/asia.202100391