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...

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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
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author Zhu, Ting
Yang, Xiaoping
Zheng, Xiaohui
Wang, Shiqing
Bo, Le
Wang, Chengri
Chen, Hongfen
Jiang, Dongmei
Schipper, Desmond
author_facet Zhu, Ting
Yang, Xiaoping
Zheng, Xiaohui
Wang, Shiqing
Bo, Le
Wang, Chengri
Chen, Hongfen
Jiang, Dongmei
Schipper, Desmond
author_sort Zhu, Ting
collection PubMed
description 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.
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spelling pubmed-60805912018-08-14 Luminescent Polynuclear Zn- and Cd-Ln Square-Like Nanoclusters With a Flexible Long-Chain Schiff Base Ligand Zhu, Ting Yang, Xiaoping Zheng, Xiaohui Wang, Shiqing Bo, Le Wang, Chengri Chen, Hongfen Jiang, Dongmei Schipper, Desmond Front Chem Chemistry 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. Frontiers Media S.A. 2018-07-31 /pmc/articles/PMC6080591/ /pubmed/30109225 http://dx.doi.org/10.3389/fchem.2018.00321 Text en Copyright © 2018 Zhu, Yang, Zheng, Wang, Bo, Wang, Chen, Jiang and Schipper. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Chemistry
Zhu, Ting
Yang, Xiaoping
Zheng, Xiaohui
Wang, Shiqing
Bo, Le
Wang, Chengri
Chen, Hongfen
Jiang, Dongmei
Schipper, Desmond
Luminescent Polynuclear Zn- and Cd-Ln Square-Like Nanoclusters With a Flexible Long-Chain Schiff Base Ligand
title Luminescent Polynuclear Zn- and Cd-Ln Square-Like Nanoclusters With a Flexible Long-Chain Schiff Base Ligand
title_full Luminescent Polynuclear Zn- and Cd-Ln Square-Like Nanoclusters With a Flexible Long-Chain Schiff Base Ligand
title_fullStr Luminescent Polynuclear Zn- and Cd-Ln Square-Like Nanoclusters With a Flexible Long-Chain Schiff Base Ligand
title_full_unstemmed Luminescent Polynuclear Zn- and Cd-Ln Square-Like Nanoclusters With a Flexible Long-Chain Schiff Base Ligand
title_short Luminescent Polynuclear Zn- and Cd-Ln Square-Like Nanoclusters With a Flexible Long-Chain Schiff Base Ligand
title_sort luminescent polynuclear zn- and cd-ln square-like nanoclusters with a flexible long-chain schiff base ligand
topic Chemistry
url 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
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