Issue 56, 2020
From the journal:

RSC Advances

Two 3D Mn-based coordination polymers: synthesis, structure and magnetocaloric effect†

Ning-Fang Li,a   Ye-Min Han,a   Jia-Nian Li,a   Jia-Peng Cao,a   Ze-Yu Dua  and  Yan Xu ORCID logo *a  

* Corresponding authors

a College of Chemical Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, P. R. China
E-mail: yanxu@njtech.edu.cn

Abstract

Two three-dimensional (3D) coordination polymers, namely MnII6(CH3COO)2(HCOO)2(IN)8(C4H8O)2(H2O) and MnIII6MnII12(μ3-O)6(CH3COO)12(IN)18(H2O)7.5 (abbreviated as MnII6 and MnII12MnIII6 respectively; HIN = isonicotinic acid), were synthesized by the reaction of Mn(CH3COO)2·4H2O and isonicotinic acid under solvothermal conditions. Magnetic studies revealed that antiferromagnetic interactions may be present in compounds MnII6 and MnII12MnIII6. Moreover, the values of −ΔSm (26.27 (MnII6) and 37.69 (MnII12MnIII6) J kg−1 K−1 at ΔH = 7 T) are relatively larger than those of the reported Mn-based coordination polymers. This work provides a great scope in the magnetocaloric effect (MCE) of pure 3d-type systems.

Graphical abstract: Two 3D Mn-based coordination polymers: synthesis, structure and magnetocaloric effect

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Article information

DOI
https://doi.org/10.1039/D0RA05926A
Article type
Paper
Submitted
07 Jul 2020
Accepted
24 Aug 2020
First published
10 Sep 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 33628-33634

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Two 3D Mn-based coordination polymers: synthesis, structure and magnetocaloric effect

N. Li, Y. Han, J. Li, J. Cao, Z. Du and Y. Xu, RSC Adv., 2020, 10, 33628 DOI: 10.1039/D0RA05926A

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