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Asymmetric seven-/eight-step spin-crossover in a three-dimensional Hofmann-type metal–organic framework

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Abstract

Spin-crossover (SCO) materials with multiple spin states have attracted special interest for their potential applications in multi-switches and high-order data storage. Herein, an unprecedented asymmetric seven-/eight-step SCO behavior is revealed in a three-dimensional Hofmann-type metal–organic framework [Fe(4-abpt){Au(CN)2}2]·2DMF·EtOH (4-abpt = 4-amino-3,5-bis(4-pyridyl)-1,2,4-triazole), which represents the highest step in the SCO field. Moreover, the formation of a molecular alloy by mixing [Au(CN)2] and [Ag(CN)2] units is explored as a strategy towards multi-step SCO materials for the first time.

Graphical abstract: Asymmetric seven-/eight-step spin-crossover in a three-dimensional Hofmann-type metal–organic framework

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Article information


Submitted
24 Feb 2020
Accepted
28 Feb 2020
First published
02 Mar 2020

Inorg. Chem. Front., 2020, Advance Article
Article type
Research Article

Asymmetric seven-/eight-step spin-crossover in a three-dimensional Hofmann-type metal–organic framework

Y. Peng, S. Wu, Y. Chen, W. Liu, G. Huang, Z. Ni and M. Tong, Inorg. Chem. Front., 2020, Advance Article , DOI: 10.1039/D0QI00245C

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