来自乙二胺四乙酸（EDTA）的颜色可调超长室温磷光
Color-tunable ultralong room temperature phosphorescence from EDTA.
作者信息
Zheng Haoyue, Wang Yanying, Cao Peisheng, Wu Peng
机构信息
State Key Laboratory of Hydraulics and Mountain River Engineering, Analytical & Testing Center, Sichuan University, Chengdu 610064, China.
出版信息
Chem Commun (Camb). 2021 Apr 14;57(29):3575-3578. doi: 10.1039/d1cc00207d. Epub 2021 Mar 12.
Unexpected color-tunable ultralong room-temperature phosphorescence (RTP, τ∼0.5 s) was observed from EDTA (and also EDTA salts, chelates, and structural analogues). Through both experimental and theoretical investigations, the through-space conjugation of the lone pair n electrons of N/O atoms in EDTA was identified as the origin of RTP. The results here will be important for further developing phosphors with ultralong emission lifetime.
从乙二胺四乙酸（以及乙二胺四乙酸盐、螯合物和结构类似物）中观察到了意想不到的颜色可调超长室温磷光（RTP，τ~0.5秒）。通过实验和理论研究，确定乙二胺四乙酸中N/O原子孤对n电子的空间共轭是RTP的起源。本文的结果对于进一步开发具有超长发射寿命的磷光体具有重要意义。
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