Biphenyl Carboxylic Acid Impurities

Afterglow at 0.1 ppm

Trace impurities in commercial benzoic acid derivatives are shown to be the origin of afterglow, enabling phosphorescence at extremely low doping levels.

Jiayu, Wang · Ma, Liangwei · Ding, Bingbing · Zhou, Lei · Sun, Siyu · Ohtomo, Manabu · Song, Jinming · Wu, Zhiqin · Tian, He · Ma, Xiang

Angewandte Chemie - International Edition 2026

Specifications

掺杂

{'zh': '0.1', 'en': ''} ppm

类同系物余辉成功率

{'zh': '73.3', 'en': ''} %

其他样品余辉成功率

{'zh': '6.5', 'en': ''} %