B,N,O-co-doped carbon dots with dual fluorescence-phosphorescence for efficient blue and white LEDs
Qi-Rui Liang1, Ming-Zhu Li1, Hong-Ji Tan1
1Department of Chemistry, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, 515063, P. R. China. qxtong@stu.edu.cn.
Abstract:
B,N,O-co-doped carbon dots with dual fluorescence-phosphorescence are prepared. Blue LEDs achieve an external quantum efficiency (EQE) of 6.01%, exceeding the fluorescent limit, and white LEDs deliver 4.18% efficiency with good colour stability.


