磷光
合理设计
金属有机骨架
猝灭(荧光)
原位
材料科学
金属
纳米技术
光化学
化学
无机化学
有机化学
吸附
荧光
量子力学
物理
作者
Rui Feng,Zi-Ying Li,Zhao‐Quan Yao,Ziang Guo,Yinan Zhang,Haoxiang Sun,Wei Li,Xian‐He Bu
标识
DOI:10.1007/s11426-021-1123-3
摘要
The rational designability and chemical tunability of metal-organic frameworks (MOFs) are enabling tributes to efficaciously enhance their room temperature phosphorescence (RTP) performance. A family of stable anionic MOFs, [Zn2(4,5-ImDC)2]M2 (NKU-132, M = (CH3)2NH2 or (CH2CH3)2NH2), featuring significant RTP have been synthesized. By rational cation selection and in-situ replacement from dimethylammonium to diethylammonium, the phosphorescence lifetime is increased from 30.88 to 126.3 ms, along with less sensitivity to air. This work provides an anti-quenching and lifetime tuning example for RTP-MOF materials via facile host-guest chemistry.
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