Unique nanoscale {CuII36LnIII24} (Ln = Dy and Gd) metallo-rings

Ji-Dong Leng; Jun-Liang Liu; Ming-Liang Tong

doi:10.1039/C2CC30521F

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Unique nanoscale {Cu^II₃₆Ln^III₂₄} (Ln = Dy and Gd) metallo-rings†

Ji-Dong Leng,^a Jun-Liang Liu^a and Ming-Liang Tong*^a

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* Corresponding authors

^a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
E-mail: tongml@mail.sysu.edu.cn

Abstract

Two unprecedented 3d–4f hexagonal metallo-rings {Ln₂₄Cu₃₆} (Ln = Dy and Gd) with a diagonal dimension of about 4.6 nm were facilely synthesized by self-assembly of Cu^II, Ln^III nitrates and benzoate in the presence of triethylamine. Magnetic studies show slow relaxation behaviour for the dysprosium analogue and a large magnetocaloric effect (MCE) for the gadolinium analogue.

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Article information

DOI: https://doi.org/10.1039/C2CC30521F
Article type: Communication
Submitted: 16 Dec 2011
Accepted: 24 Feb 2012
First published: 28 Feb 2012

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Chem. Commun., 2012,48, 5286-5288

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Unique nanoscale {Cu^II₃₆Ln^III₂₄} (Ln = Dy and Gd) metallo-rings

J. Leng, J. Liu and M. Tong, Chem. Commun., 2012, 48, 5286 DOI: 10.1039/C2CC30521F

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