In this study, a novel MOF has been constructed as a precursor for the preparation of carbon nanostructures. Moreover, we have used V metal as a doping agent to boost the adsorption and photodegradation activity of the MOF-derived carbon nanostructures.
To research the effect of the structural diversity of citrate-based coordination polymers (CPs), the citric acid (H4cit) was selected to combine with Cu(II) under hydrothermal condition. A new CP [Cu2(cit)(H2O)2]...
3D metal-organic frameworks (MOFs) can be appropriate templates for the fabrication of nanomaterials due to they have active sites exposed on the channel or surface, which thus provide them with improved catalytic performance. In this study, a 3D cobalt-based MOF [Co(H 2 bpta)] n (Co-MOF), where H 4 bpta denotes 2,2′,4,4′-biphenyltetracarboxylic acid, has been constructed with the use of a ligand with a high carbon content. On this basis, a 2D magnetic carbon-coated cobalt nanoparticle composite (C@Co) was prepared by using the title MOF. Magnetic C@Co can readily absorb dye from the solution and can thus act as an inexpensive and fast-acting adsorbent. Moreover, we have explored the adsorption isotherms, kinetics and thermodynamics of the anion dyes in detail. The adsorption capacity of the C@Co for investigated methyl orange (MO) and congo red (CR) dyes were 773.48 and 495.66 mg g − 1 , respectively. It is noteworthy that MO adsorption is higher in existing materials. Thermodynamic studies suggest that the adsorption processes are spontaneous and exothermic. This study opens a new insight into the synthesis and application of carbon-based materials that enable the selective removal of organic dyes.
A novel and unusual 3D luminescent coordination polymer (CP) [Zn2(3-bpah)(bpta)(H2O)]•3H2O (1), where 3-bpah denotes N,N'-bis(3-pyridinecarboxamide)-1,2-cyclohexane and H4bpta denotes 2,2′,4,4′-biphenyltetracarboxylic acid, was successfully synthesized via hydrothermal methods from Zn(II) ions as...
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