通过高分辨率固态核磁共振探测金属有机框架中二氧化碳在高压下的动力学。
Probing dynamics of carbon dioxide in a metal-organic framework under high pressure by high-resolution solid-state NMR.
作者信息
Inukai Munehiro, Kurihara Takuya, Noda Yasuto, Jiang Weiming, Takegoshi Kiyonori, Ogiwara Naoki, Kitagawa Hiroshi, Nakamura Koichi
机构信息
Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minami-Josanjima-Cho, Tokushima 770-8506, Japan.
Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan.
出版信息
Phys Chem Chem Phys. 2020 Jul 8;22(26):14465-14470. doi: 10.1039/d0cp01216e.
The application of high-resolution NMR analysis for CO2 adsorbed in a MOF under high pressure is reported for the first time. The results showed that CO2 adsorbed in MOF-74 had an unusually slow mobility (τ ∼ 10-8 s). CO2-CO2 interactions suppressed the mobility of CO2 under high pressure, which, in turn, would have contributed to the stability of CO2 at the adsorption sites.
首次报道了高压下高分辨率核磁共振分析在金属有机框架（MOF）中吸附二氧化碳的应用。结果表明，吸附在MOF-74中的二氧化碳具有异常缓慢的迁移率（τ ∼ 10-8秒）。二氧化碳-二氧化碳相互作用在高压下抑制了二氧化碳的迁移率，这反过来又有助于二氧化碳在吸附位点的稳定性。
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