Lanthanide metal–organic frameworks: Structural, thermal and sorption properties

Two coordination polymers of erbium(III) and neodymium(III) ions with 1,3,5-benzenetricarboxylic acid were synthesized under the solvothermal conditions from the dimethylformamide solution. They were characterized by the attenuated total reflectance Fourier transform spectroscopy (ATR-FTIR), thermog...

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Bibliographic Details
Published in:Adsorption science & technology 2017-09, Vol.35 (7-8), p.677-683
Main Authors: Łyszczek, Renata, Mazur, Liliana, Ostasz, Agnieszka, Bartyzel, Agata, Głuchowska, Halina
Format: Article
Language:English
Subjects:
Coordination polymers
Differential scanning calorimetry
Erbium
Fourier transforms
Infrared analysis
Infrared spectroscopy
Metal-organic frameworks
Neodymium
Porosity
Single crystals
Sorption
Spectrum analysis
Thermogravimetric analysis
Thermogravimetry
Water chemistry
X ray analysis
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Summary:Two coordination polymers of erbium(III) and neodymium(III) ions with 1,3,5-benzenetricarboxylic acid were synthesized under the solvothermal conditions from the dimethylformamide solution. They were characterized by the attenuated total reflectance Fourier transform spectroscopy (ATR-FTIR), thermogravimetry and differential scanning calorimetry (TG-DSC), thermogravimetric analysis coupled with Fourier transform infrared spectroscopy (TG-FTIR) and X-ray diffractions methods. The single-crystal X-ray analysis confirmed formation of three-dimensional framework of Er(III) 1,3,5-benzenetricarboxylate with the channels occupied by dimethylformamide and water molecules. Porosity of crystalline complexes was investigated by the nitrogen sorption experiments. The Nd and Er compounds exhibit real porosity with the BET surface area of 259 and 225 m2/g, respectively. The Horvath–Kawazoe analysis of pore-size distributions for the obtained complexes points out to their microporous character.
ISSN:0263-6174
2048-4038
DOI:10.1177/0263617417704310