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LnMOFs based on cyclobutane-1,1-dicarboxylic acid: single crystal structure and CH3OH sensor
Inorganic Chemistry Communications ( IF 4.4 ) Pub Date : 2020-02-01 , DOI: 10.1016/j.inoche.2019.107744
Zhao Chen , Xiaobo Yu , Xiaoping Li , Qinghua Ye , Keai Zhou , Yujia Cai , Lei Huang , Lei Wang , Yuan Li , Chenghui Zeng

Abstract Three lanthanide metal-organic frameworks (LnMOFs) are constructed under mild solvothermal condition by adopting the ligand of cyclobutane-1,1-dicarboxylic acid (H2L). They are characterized by single crystal X-ray diffraction (SCXRD) and have the formula of [Ln2L3(H2O)2]n (Ln3+ = Eu3+, 1; Tb3+, 2; Gd3+, 3). 1 and 3 are fully characterized by powder X-ray diffraction (PXRD), FT-IR and thermogravimetric analysis (TGA). Luminescence spectra, luminescence decay lifetimes and luminescence quantum yield (QY) of Eu3+ complex (1) are analyzed in detail, 1 shows relative high luminescence QY of 35.33%. Interestingly, further study indicates that 1 is a luminescence sensor for CH3OH.

中文翻译:

基于环丁烷-1,1-二羧酸的 LnMOF:单晶结构和 CH3OH 传感器

摘要 采用环丁烷-1,1-二羧酸(H2L)配体,在温和的溶剂热条件下构建了三种镧系金属有机骨架(LnMOFs)。它们通过单晶 X 射线衍射 (SCXRD) 进行表征,分子式为 [Ln2L3(H2O)2]n (Ln3+ = Eu3+, 1; Tb3+, 2; Gd3+, 3)。图 1 和图 3 通过粉末 X 射线衍射 (PXRD)、FT-IR 和热重分析 (TGA) 进行了全面表征。详细分析了Eu3+配合物(1)的发光光谱、发光衰变寿命和发光量子产率(QY),1表明发光QY相对较高,为35.33%。有趣的是,进一步的研究表明 1 是 CH3OH 的发光传感器。
更新日期:2020-02-01
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