Abstract
AbstractThis manuscript is reporting hydrogen adsorption uptake of PCN‐250(Fe) metal organic framework (MOF) at temperature of 300, 126K, and pressure in between 6 and 10 bar. X‐ray diffraction spectrum of PCN‐250(Fe) confirms crystalline structure, however Fourier transform infrared (FT‐IR) spectrum showing dominant bonding structure of COOH, N = N, and Fe─O functional groups. SEM images confirm surface morphology as an octahedrons of average crystalline size upto 50 µm. Thermogravimetric analysis (TGA) confirms excellent thermal stability upto 450 °C. The hydrogen adsorption uptake of 0.80 wt% has been found at 126 K and pressure of 10 bar attributes adsorption occurs due to the structural and physical properties like topology, porosity, and presence of open metal sites as well as surface area. It is suggested that PCN‐250(Fe) as an adsorbent material offers as an intensive way of storing H2 at low temperature and at ambient pressure.
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