A new approach to fabricate the Mn(II)-based magnetic refrigerant through incorporation of a diamagnetic {LiO4} spacer

Jia-Wei Wu; Xue Wang; Chong-Bin Tian; Shao-Wu Du

doi:10.1039/C7DT04820C

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A new approach to fabricate the Mn(ii)-based magnetic refrigerant through incorporation of a diamagnetic {LiO₄} spacer†

Jia-Wei Wu,^ab Xue Wang,^c Chong-Bin Tian*^a and Shao-Wu Du

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou 350002, P. R. China
E-mail: tianchongbin@fjirsm.ac.cn, swdu@fjirsm.ac.cn

^b University of Chinese Academy of Sciences, Beijing 100049, P. R. China

^c Yantai Branched Center of Shandong Technology Transfer Center, Chinese Academy of Sciences, Shandong, Yantai 264000, P. R. China

Abstract

A new 3D MOF [MnLi₂(ip)₂(H₂O)₂] (1) with a 1D heterometallic inorganic Mn(II)–Li(I) chain is reported. With the assistance of diamagnetic {LiO₄} connectors, which separate the paramagnetic Mn(II) ions and act as magnetic spacers, very weak magnetic interactions were obtained. Remarkably, 1 showed a significant magnetocaloric effect (MCE) with a large entropy change value of 30.4 J kg⁻¹ K⁻¹ for ΔH = 8 T at 2 K.

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Article information

DOI: https://doi.org/10.1039/C7DT04820C
Article type: Communication
Submitted: 21 Dec 2017
Accepted: 17 Jan 2018
First published: 17 Jan 2018

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Dalton Trans., 2018,47, 2143-2147

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A new approach to fabricate the Mn(II)-based magnetic refrigerant through incorporation of a diamagnetic {LiO₄} spacer

J. Wu, X. Wang, C. Tian and S. Du, Dalton Trans., 2018, 47, 2143 DOI: 10.1039/C7DT04820C

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Dalton Transactions