ZIF-67 (Zeolitic Imidazolate Framework-67) – Cobalt-Imidazolate MOF

Description

ZIF-67 (Co-Imidazolate MOF) – Cobalt-Based Zeolitic Framework

This cobalt–imidazolate porous framework is an advanced metal–organic material engineered from cobalt ions coordinated with 2-methylimidazole ligands. It features an exceptionally high internal surface area, strong thermal/chemical durability, and tunable porosity. Due to its cobalt-active sites and robust crystalline architecture, this material demonstrates outstanding catalytic behavior and selective gas uptake capabilities.

Our cobalt-imidazolate MOF is supplied with high purity, uniform particle characteristics, and consistent morphology, making it ideal for academic research, industrial development, and next-generation material synthesis.

Technical Characteristics

• Empirical Formula: Co(C₄H₅N₂)₂

• Appearance: Purple crystalline solid

• Elemental Composition (Approx.):
  • Carbon ~87.36 wt%
  • Oxygen ~7.06 wt%
  • Cobalt ~5.59 wt%

• CAS Number: 46201-07-4

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What This Material Is

This compound belongs to the Zeolitic Imidazolate Framework (ZIF) family, a sub-class of metal–organic frameworks. Its structure resembles traditional zeolites but is constructed using metal ions and organic linkers. The incorporation of cobalt ions enhances electron transfer, catalytic activity, and redox capability, enabling diverse chemical transformations and adsorption behaviors.

Applications 

1. Catalysis

Thanks to cobalt-centered active sites, this framework performs strongly in oxidation, hydrogenation, electrocatalysis, and numerous heterogeneous catalytic processes. It is often used as a precursor to generate cobalt oxide catalysts through controlled pyrolysis.

2. Gas Adsorption & Molecular Separation

Integrated into polymer membranes, this material improves the selectivity and permeability of systems used for CO₂ capture, N₂ separation, and general gas purification. Its high porosity increases both storage capacity and adsorption kinetics.

3. Environmental Remediation

Cobalt-based ZIF structures support photocatalytic degradation of dyes, organic pollutants, and pharmaceutical contaminants under visible-light illumination. They are also utilized in wastewater treatment and environmental cleanup technologies.

4. Energy Storage

Derived composites and carbonized forms are utilized in:

• Supercapacitor electrodes

• Lithium-ion battery cathodes/anodes

• Hybrid energy devices
  Their hierarchical porosity and cobalt-oxide transformation provide enhanced conductivity and charge storage.

5. Sensors & Detection Systems

Nanostructured particles are applied in gas sensing and electrochemical detection platforms, where they provide heightened sensitivity and improved signal response due to high surface reactivity.

6. Biomedical & Bio-Functional Uses

Modified versions have been explored for drug delivery, antimicrobial coatings, and certain imaging applications, leveraging the material’s porosity and cobalt-based chemical reactivity. (Note: depends on biocompatibility evaluations.)

7. Electronics & Electromagnetic Absorption

Hybrid materials produced from this MOF exhibit promising performance in microwave absorption, EMI shielding, and smart device component fabrication.

Brief Overview of Production / Synthesis

This cobalt-imidazolate framework is typically synthesized via a solution-phase self-assembly process, where cobalt salts react with 2-methylimidazole under ambient or solvothermal conditions. The reaction leads to rapid nucleation and growth of a crystalline network. Particle size, morphology, and porosity can be tuned by adjusting solvent, temperature, concentration, and additives. After synthesis, the product is washed, purified, and dried to obtain a stable, high-surface-area MOF material.