Lanthanide metal–organic frameworks containing a novel flexible ligand for luminescence sensing of small organic molecules and selective adsorption
作者:Xiaoqing Wang、Liangliang Zhang、Jie Yang、Fuling Liu、Fangna Dai、Rongming Wang、Daofeng Sun
DOI:10.1039/c5ta00061k
日期:——
Five lanthanide metal–organic frameworks, [Ln(L)(H2O)(NMP)]·1.5H2O (Ln = Ce (1), Pr (2); H3L = 1,3,5-tris(4-carboxyphenyl-1-ylmethyl)-2,4,6-trimethylbenzene), and [Ln2(L)2(H2O)3]·2H2O (Ln = Eu (3), Tm (4), Yb (5)), have been synthesized and characterized. Complexes 1–5 exhibit similar 1D channels through the linkage of Ln-carboxylate chains with the backbones of H3L ligands. The channels for complexes
五个镧系金属-有机骨架,[Ln(L)(H 2 O)(NMP)]·1.5H 2 O(Ln = Ce(1),Pr(2); H 3 L = 1,3,5-tris (4-羧基苯基-1-基甲基)-2,4,6-三甲基苯)和[Ln 2(L)2(H 2 O)3 ]·2H 2 O(Ln = Eu(3),Tm(4) ,Yb(5)),已经合成并表征。配合物1-5通过Ln-羧酸盐链与H 3 L的主链连接,表现出相似的一维通道配体。配合物1和2的通道被协调的NMP分子占据。图3示出了小有机分子的发光感测的潜在应用。此外,5表现出CO 2在N 2和CH 4上的选择性吸附以及对氰基硅烷化反应的催化活性。