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Updated: Jan 29, 2026

Author Spotlight: Characterizing Porous Materials for Aiding the Development of Robust Metal-Organic Frameworks with Adsorption Behavior
Published on: March 8, 2024
Two 3D Cobalt(II) Metal-Organic Frameworks with Micropores for Selective Dye Adsorption
Ming Ze Wu1, Jian Yun Shi1, Peng Yun Chen1
1Tianjin Key Laboratory of Structure and Performance for Functional Molecules and Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry, MOE, College of Chemistry , Tianjin Normal University , Tianjin 300387 , P. R. China.
Abstract:
Two porous coordination polymers, {[Co0.5(TBC)]·2DMF} n (1) and {[Co(TBC)Cl0.5(CH3OH)]·0.5Cl} n (2), were synthesized via the solvothermal reaction of cobalt(II) salts and 3,5-bis(1 H-1,2,4-triazol-1-yl)benzenecarboxylic acid. Single-crystal X-ray diffraction analyses exhibited that complex 1 contains rtl three-dimensional (3D) skeleton and one-dimensional channels with large apertures, while complex 2 displays a novel 2-nodal 3,6-linked 3D structure with a Schläfli sign of {4.82}2{46.89} and contains micropores. Meanwhile, compound 2 shows selective adsorption properties of anionic methyl orange in a water solution. The dye adsorption studies of 1 and 2 revealed that the porous character and charge properties of metal-organic frameworks are two important factors heavily influencing dye adsorption.
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