Qi-Rui Liang, Ming-Zhu Li, Hong-Ji Tan, Si-Yi Deng, Zi-Han Zhou, Xiao-Qi Lai, Hui-Lin Zhong, Zi-Yang Hu, Qing-Xiao Tong, Jing-Xin Jian
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.
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