Non-doped organic light-emitting diodes based on phenanthroimidazole-triphenylamine derivatives with a low efficiency roll-off of 9% at a high luminance of 10 000 cd m −2

作者：Chunya Du, Futong Liu, Hui Liu, Xin He, Dongyan Jiang, Zijun Feng, Lei Gao, Ping Lü · 发表于：Journal of Materials Chemistry C · 年份：2020 · DOI：10.1039/d0tc03379k · 被引用次数：21 · 研究领域：Organic Light-Emitting Diodes Research、Luminescence and Fluorescent Materials、Organic Electronics and Photovoltaics

The “hot exciton” material TPPI-BZPCN is successfully achieved by fine-tuning the T 1 features of acceptor. The non-doped device based on TPPI-BZPCN exhibits a maximum EQE of 3.33%, and remains 3.03% at a high luminescence of 10 000 cd m −2 .