B,N-Embedded Hetero[9]helicene

High EQE and gEL Simultaneously

Combining MR-TADF properties with a helical skeleton, this emitter achieves both high electroluminescence efficiency and a high dissymmetry factor.

Guo, Wei · Zhao, Long · Ke-Ke, Tan · Li, Meng · Chen Chuan-Kang,

Angewandte Chemie - International Edition 2024

Specifications

EQE

{'zh': '35.5', 'en': ''} %

半高全宽

{'zh': '48', 'en': ''} nm

Advantages

High |gEL| of 6.2 × 10⁻³

Q-factor (|EQE × gEL|) of 2.2 × 10⁻³, highest among helicene analogues