Learn New Metal-Organic Frameworks Materials Findings in Ten Mi

  • Metal-organic frameworks (MOFs) are materials that are made up of a regular array of positively charged metal ions surrounded by organic 'linker' molecules. They are organic/inorganic hybrid porous crystalline. Compared with other porous materials, MOFs provides a unique structural diversity, which enable researchers to successfully control the topology, porosity, and function of the framework. MOFs can be applied in many fields such as drug delivery, storage and separations of gases, sensors, catalysis, and liquid separation and purification. MOFs are promising materials for cheap and less energy-intensive gas separation.

    Separate Gases Despite the Presence of Water?

    With so many potential applications in industries, many researchers are make efforts to discover more about MOFs and look forward to new findings. A research team from Hokkaido University in collaboration with Professor Shin-Ichiro Noro and Professor Roland A. Fisher's team at the Technical University of Munich have carried out a series of measurements of typical MOF properties to determine the true selectivity of materials on dry frames and pre-exposed water.

    Their findings—Coordinated Water as New Binding Sites for the Separation of Light Hydrocarbons in Metal–Organic Frameworks with Open Metal Sites, published in ACS Applied Materials and Interfaces, have showed that the predicted material selectivity is too high compared to real-world results. It also indicated that while water does reduce the material's ability to absorb gases, it does not significantly reduce the selectivity. The researchers then performed quantum chemical calculations to figure out why, and realized that the water molecules themselves provided new binding sites for unsaturated hydrocarbons such as propylene (rather than propane), thus preserving the material's function.

    The researchers expressed that they’ve showed the power of multi-component adsorption experiments to analyze the feasibility of using an MOF system. Thus they hope to raise awareness of common theoretical flaws and inspire other teams to also use a combinations of different real-world measurements.


    About the Author

    As an drug delivery company providing customized solutions for developing and producing new, biocompatible drug delivery systems, CD Bioparticles now offers porous organic materials for global researchers, including the customized Metal Organic Frameworks with various of the material formats and chemical composition to help scientists solve the challenges might meet. Please feel free to contact CD Bioparticles to learn more about MOFs in order to find the right one for your studies.