□□ ―120―Interaction of hydrogen molecules with high-surface-area porous materials: Hydrogen storage and isotope separation Linda Zhang (Creative Interdisciplinary Research Division/ Materials and Energy) The burgeoning demand for clean energy solutions underscores the critical role of hydrogen as a sustainable fuel source. In this context, the interaction of hydrogen molecules with high-surface-area porous materials, such as metal-organic frameworks (MOFs), emerges as a pivotal area of research for effective hydrogen storage and the precise separation of hydrogen isotopes, which have applications ranging from energy storage to medical and industrial uses. This study investigates the hydrogen storage capabilities and isotope separation potential of materials like Cu-BTC, MIL-101, DUT-9, and CFA-7, at 77K. Our findings indicate a direct correlation between volumetric hydrogen uptake and surface area, adhering to Chahine's rule, and highlight the exceptional storage densities achieved. Furthermore, the research delves into hydrogen isotope separation, leveraging quantum sieving and chemical affinity sieving through materials such as MFU-4 and Cu(I)-MFU-4l. This approach unveils significant advancements in selective adsorption processes, attributed to differences in zero-point energy and adsorption strength, which are critical for isotope purification. The use of thermal desorption spectroscopy and calibrated mass spectrometry further elucidates the desorption rates of hydrogen isotopes, showcasing the materials' efficiency in isotope separation. This study not only enhances our understanding of hydrogen interaction with porous materials but also sets a foundation for future innovations in hydrogen storage and isotope separation technologies. □□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□DNA□□RNA□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□ [1]□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□ [2]□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□□ □□□□□[1] *Ichinose T, et al., (2023) eLife. Reviewed preprint. [2] Venkatasubramani AV, Ichinose T, et al., (2023) EMBO Reports.□□□□□ □□□□□□□□□□□□□□□□□□ □□□□□□□□□□□□□□□□□
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