Luminescent Polynuclear Zn- and Cd-Ln Square-Like Nanoclusters With a Flexible Long-Chain Schiff Base Ligand

Two series of Zn-Ln and Cd-Ln nanoclusters [Ln(4)Zn(8)L(2)(OAc)(20)(OH)(4)] [Ln = Nd (1), Yb (2), and Sm (3)] and [Ln(2)Cd(2)L(2)(OAc)(2)(OH)(2)(OCH(3))(2)] [Ln = Nd (4), Yb (5), and Sm (6)] were prepared using a long-chain Schiff base ligand with a flexible (CH(2))(2)O(CH(2))(2)O(CH(2))(2) chain. A...

Descripción completa

Detalles Bibliográficos
Autores principales: Zhu, Ting, Yang, Xiaoping, Zheng, Xiaohui, Wang, Shiqing, Bo, Le, Wang, Chengri, Chen, Hongfen, Jiang, Dongmei, Schipper, Desmond
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2018
Materias:
Chemistry
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6080591/
https://www.ncbi.nlm.nih.gov/pubmed/30109225
http://dx.doi.org/10.3389/fchem.2018.00321
Descripción
Sumario:Two series of Zn-Ln and Cd-Ln nanoclusters [Ln(4)Zn(8)L(2)(OAc)(20)(OH)(4)] [Ln = Nd (1), Yb (2), and Sm (3)] and [Ln(2)Cd(2)L(2)(OAc)(2)(OH)(2)(OCH(3))(2)] [Ln = Nd (4), Yb (5), and Sm (6)] were prepared using a long-chain Schiff base ligand with a flexible (CH(2))(2)O(CH(2))(2)O(CH(2))(2) chain. All these clusters show square-like structures. The Schiff base ligands show “linear” configurations in the structures of 1-6, and the metric dimensions of Zn-Ln and Cd-Ln clusters measure ~8 × 14 × 21 and 8 × 12 × 12 Å, respectively. The study of luminescence properties shows that the Zn/L and Cd/L chromophores can effectively transfer energy to the lanthanide ions, and 1-6 show visible and NIR emissions.

Ejemplares similares