Magnetic properties and magnetocaloric effect of Ln = Dy, Tb carborane-based metal–organic frameworks

Li, Zhen; Arauzo, Ana; Giner Planas, José; Bartolomé, Elena

doi:10.1039/d4dt00626g

Dalton Trans.

2024

DOI: 10.1039/d4dt00626g

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Magnetic properties and magnetocaloric effect of Ln = Dy, Tb carborane-based metal–organic frameworks

Zhen Li,

Ana Arauzo,

José Giner Planas

et al.

Abstract: We present the synthesis and magneto-thermal properties of carborane-based lanthanide Metal-Organic Frameworks (MOFs) with formula {[(Ln)3(mCB-L)4(NO3)(DMF)n]·Solv}, where Ln=Dy or Tb, characterized by dc and ac susceptibility, X-ray absorption spectroscopy (XAS),...

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Cited by 4 publications

References 98 publications

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Lanthanide(III) Metal‐Organic Frameworks (Ln=Gd, Tb, Dy) Based on a C₃ Symmetrical Tricarboxylate Linker

McHugh,

Tong,

Bezrukov

et al. 2024

Eur J Inorg Chem

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Lanthanide‐based metal‐organic frameworks have attracted significant interest due to their ability to combine porosity with one or more additional properties, providing an alternative method for the development of multifunctional materials. With this in mind, we report the synthesis and characterisation of the OnG5 family of MOFs with the formula [LnLH(DMF)3][(4‐NH2Ph)3C](NO3)(CH3CO2H), where Ln = Gd (OnG5‐Gd), Tb (OnG5‐Tb), Dy (OnG5‐Dy), and LH3‐= the trianion of 4,4′,4′′‐(1E)‐[4,4′,4′′‐(methanetriyl)tris(benzene‐4,1‐diyl)tris(azan‐1‐ yl‐1‐ylidene)]tris(methan‐1‐yl‐1‐ylidene)tribenzoic acid. OnG5 were synthesised in situ from the reaction of Ln(NO3)3.xH2O, pararosaniline base [(4‐NH2Ph)3COH] and terephthalaldehydic acid in DMF. Their structure was studied through single crystal x‐ray crystallography and confirmed with DFT calculations. OnG5 display a 2D, three‐fold interpenetrated structure with a honeycomb lattice topology. They are the first examples bearing the ligand LHH3 and they display photoluminescence originating from an intraligand π‐π* or n‐π* transition. Dc and ac magnetic susceptibility studies conducted on the OnG5‐Gd analogue revealed an absence of magnetic interaction between the metal centres.

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Lanthanide(III) Metal‐Organic Frameworks (Ln=Gd, Tb, Dy) Based on a C₃ Symmetrical Tricarboxylate Linker

McHugh,

Tong,

Bezrukov

et al. 2024

Eur J Inorg Chem

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Structural distortion driven polaronic transport and table-like magnetocaloric properties in polycrystalline Tb_0.7Sr_0.3MnO₃ compound

Das,

Mazumdar,

Das

2024

Phys. Chem. Chem. Phys.

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Multifunctional self-refrigerated multivariate {GdLn} (Ln = Dy, Tb, Tb/Eu) metal–organic frameworks

Li,

Arauzo,

Roscini

et al. 2024

J. Mater. Chem. A

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Magnetic properties and magnetocaloric effect of Ln = Dy, Tb carborane-based metal–organic frameworks

Abstract: We present the synthesis and magneto-thermal properties of carborane-based lanthanide Metal-Organic Frameworks (MOFs) with formula {[(Ln)3(mCB-L)4(NO3)(DMF)n]·Solv}, where Ln=Dy or Tb, characterized by dc and ac susceptibility, X-ray absorption spectroscopy (XAS),...

Cited by 4 publications

References 98 publications

Lanthanide(III) Metal‐Organic Frameworks (Ln=Gd, Tb, Dy) Based on a C₃ Symmetrical Tricarboxylate Linker

Lanthanide(III) Metal‐Organic Frameworks (Ln=Gd, Tb, Dy) Based on a C₃ Symmetrical Tricarboxylate Linker

Structural distortion driven polaronic transport and table-like magnetocaloric properties in polycrystalline Tb_0.7Sr_0.3MnO₃ compound

Multifunctional self-refrigerated multivariate {GdLn} (Ln = Dy, Tb, Tb/Eu) metal–organic frameworks

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Product

Resources

About

Magnetic properties and magnetocaloric effect of Ln = Dy, Tb carborane-based metal–organic frameworks

Abstract: We present the synthesis and magneto-thermal properties of carborane-based lanthanide Metal-Organic Frameworks (MOFs) with formula {[(Ln)3(mCB-L)4(NO3)(DMF)n]·Solv}, where Ln=Dy or Tb, characterized by dc and ac susceptibility, X-ray absorption spectroscopy (XAS),...

Cited by 4 publications

References 98 publications

Lanthanide(III) Metal‐Organic Frameworks (Ln=Gd, Tb, Dy) Based on a C3 Symmetrical Tricarboxylate Linker

Lanthanide(III) Metal‐Organic Frameworks (Ln=Gd, Tb, Dy) Based on a C3 Symmetrical Tricarboxylate Linker

Structural distortion driven polaronic transport and table-like magnetocaloric properties in polycrystalline Tb0.7Sr0.3MnO3 compound

Multifunctional self-refrigerated multivariate {GdLn} (Ln = Dy, Tb, Tb/Eu) metal–organic frameworks

Contact Info

Product

Resources

About

Lanthanide(III) Metal‐Organic Frameworks (Ln=Gd, Tb, Dy) Based on a C₃ Symmetrical Tricarboxylate Linker

Lanthanide(III) Metal‐Organic Frameworks (Ln=Gd, Tb, Dy) Based on a C₃ Symmetrical Tricarboxylate Linker

Structural distortion driven polaronic transport and table-like magnetocaloric properties in polycrystalline Tb_0.7Sr_0.3MnO₃ compound