Isoreticular two-dimensional magnetic coordination polymers prepared through pre-synthetic ligand functionalization

Nature Chemistry
J López-CabrellesE Coronado

Abstract

Chemical functionalization is a powerful approach to tailor the physical and chemical properties of two-dimensional (2D) materials, increase their processability and stability, tune their functionalities and, even, create new 2D materials. This is typically achieved through post-synthetic functionalization by anchoring molecules on the surface of an exfoliated 2D crystal, but it inevitably alters the long-range structural order of the material. Here we present a pre-synthetic approach that allows the isolation of crystalline, robust and magnetic functionalized monolayers of coordination polymers. A series of five isostructural layered magnetic coordination polymers based on Fe(II) centres and different benzimidazole derivatives (bearing a Cl, H, CH3, Br or NH2 side group) were first prepared. On mechanical exfoliation, 2D materials are obtained that retain their long-range structural order and exhibit good mechanical and magnetic properties. This combination, together with the possibility to functionalize their surface at will, makes them good candidates to explore magnetism in the 2D limit and to fabricate mechanical resonators for selective gas sensing.

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Citations

Apr 24, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Bei LiuLi-Min Zheng
Jun 8, 2019·Chemical Communications : Chem Comm·Manish K JaiswalAkhilesh K Gaharwar
Feb 14, 2020·Chemistry : a European Journal·Jose A CarrascoEugenio Coronado
Jun 11, 2020·Chemical Communications : Chem Comm·Luis León-AlcaideEugenio Coronado
Jul 25, 2019·Nature Communications·Chongqing YangXinliang Feng
Jun 3, 2020·Nature Communications·Makars ŠiškinsPeter G Steeneken
Jul 19, 2020·Nature Communications·Nobuhiko HosonoTakashi Uemura
Sep 19, 2020·Nature Communications·Laura VoigtKasper S Pedersen
Aug 9, 2020·Research : a Science Partner Journal·Max C LemmePeter G Steeneken
Jun 11, 2020·Chemistry : a European Journal·Mohanad D DarawshehPascual Oña-Burgos
Nov 3, 2020·Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology·Shreedevi Arun KumarAkhilesh K Gaharwar
Feb 16, 2021·Angewandte Chemie·Jonay GonzálezE Carolina Sañudo
Oct 1, 2019·Inorganic Chemistry·Suchithra Ashoka SahadevanMaria Laura Mercuri
Apr 12, 2019·Journal of the American Chemical Society·Javier López-CabrellesGuillermo Mínguez Espallargas
Feb 12, 2020·Chemical Reviews·Agnes E Thorarinsdottir, T David Harris
Nov 2, 2021·Journal of the American Chemical Society·Javier López-CabrellesEugenio Coronado
Jan 13, 2022·Dalton Transactions : an International Journal of Inorganic Chemistry·Javier López-CabrellesGuillermo Mínguez Espallargas
Dec 8, 2020··Pavel AlekseevskiyValentin A. Milichko

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Methods Mentioned

BETA
scanning electron microscopy
X-ray
neutron diffraction
atomic force
transmission electron microscopy
electron diffraction
AFM
chip

Software Mentioned

SingleCrystal

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