Construction of NIR luminescent polynuclear lanthanide-based nanoclusters with sensing properties towards metal ions

被引：16
|
作者：
Chen, Hongfen [1 ,2 ]
Yang, Xiaoping [1 ,2 ]
Jiang, Dongmei [1 ,2 ]
Shi, Dongliang [1 ,2 ]
Zhang, Lijie [1 ,2 ]
机构：
[1] Wenzhou Univ, Coll Chem & Mat Engn, Wenzhou 325035, Peoples R China
[2] Zhejiang Key Lab Carbon Mat, Wenzhou 325035, Peoples R China
来源：
DALTON TRANSACTIONS | 2018年 / 47卷 / 39期
基金：
中国国家自然科学基金;
关键词：
ORGANIC FRAMEWORK; MONOPORPHYRINATE COMPLEXES; RECENT PROGRESS; EXPLOSIVES; ANALOGS; PROBES; SITES;
D O I：
10.1039/c8dt03308k
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two types of 4- and 9-metal lanthanide-based nanoclusters [Ln(2)Zn(2)(L-1)(2)(OAc)(6)] (Ln = Yb (1) and Er (2)) and [Yb9L2(L-3)(2)(OAc)(15)(OH)(8)(H2O)(2)(DMF)] (3) were constructed using two Schiff base ligands that have long backbones with two and three phenyl groups. The molecular sizes of 1-2 and 3 are about 7 x 10 x 23 angstrom and 11 x 17 x 22 angstrom, respectively. These clusters exhibit typical NIR luminescence of lanthanide ions. Interestingly, 3 exhibits luminescent sensing of metal ions and exhibits high sensitivities towards Cd2+ and Co2+ ions at the ppm level.
引用
收藏
页码：13880 / 13886
页数：7
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