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A 2D lanthanum coordination polymer as a multiresponsive luminescent chemosensor with fast response and high sensitivity
Journal of Solid State Chemistry ( IF 3.2 ) Pub Date : 2020-01-03 , DOI: 10.1016/j.jssc.2020.121173
Yuhao Wang , Yu’e Yu , Jing Lu , Yunwu Li , Suna Wang , Dacheng Li , Jianmin Dou

Based on a flexible ether-oxygen tricarboxylate ligand, H3L = 3,5-bis[(3-carboxylphenyl)oxy]benzoic acid, one novel 2-D La-CP with the formula of {[La(L)(H2O)3]·H2O}n has been solventhermally synthesized. The 2-D bilayer structure of La-CP is constructed by carboxylate-bridged Lan(CO2)n layers connected by M-shaped tricarboxylate ligands arranged below and above, respectively. The La-CP exhibits blue luminescence and demonstrates multi-responsive luminescence sensing activities toward Fe3+, Cr(VI) and benzothiazoles (BTs) through luminescence quenching. It could be repeated after at least five cycling runs. The fast response, high sensitivity and selectivity makes it a potential multi-functional chemosensor.



中文翻译:

二维镧配位聚合物作为具有快速响应和高灵敏度的多响应发光化学传感器

Based on a flexible ether-oxygen tricarboxylate ligand, H3L = 3,5-bis[(3-carboxylphenyl)oxy]benzoic acid, one novel 2-D La-CP with the formula of {[La(L)(H2O)3]·H2O}n has been solventhermally synthesized. The 2-D bilayer structure of La-CP is constructed by carboxylate-bridged Lan(CO2)n layers connected by M-shaped tricarboxylate ligands arranged below and above, respectively. The La-CP exhibits blue luminescence and demonstrates multi-responsive luminescence sensing activities toward Fe3+,Cr(VI)和苯并噻唑(BTs)通过发光淬灭。至少进行5次循环后,可以重复进行一次。快速响应,高灵敏度和选择性使其成为潜在的多功能化学传感器。

更新日期:2020-01-04
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