固体NMR研究MOFs吸附和分离过程中的主客体相互作用
Solid-state NMR Investigation of the Host-guest Interactions in Gas Adsorption and Chemical Separation Using MOFs as Adsorbents
固体NMR研究MOFs吸附和分离过程中的主客体相互作用 |
| 贺彩艳,肖宇情,李申慧,徐君,邓风 |
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Solid-state NMR Investigation of the Host-guest Interactions in Gas Adsorption and Chemical Separation Using MOFs as Adsorbents |
| HE Caiyan,XIAO Yuqing,LI Shenhui,XU Jun,DENG Feng |
| 图4 (a) 1.1、1.9、5.8和9.6 bar下，丙烷/丙烯共吸附在ZIF-8的1H MAS NMR谱；(b) 9.6 bar下，丙烷/丙烯共吸附在ZIF-8上的二维1H-1H COSY MAS NMR谱；(c) IAST理论预测方法和1H MAS NMR实验计算得到的ZIF-8的丙烷选择性；(d) 1.1 bar下，丙烷/丙烯共吸附在ZIF-8的二维1H-1H T2滤波自旋扩散同核相关NMR谱和F2维切片图；(e) 丙烷CH3和CH2基团向ZIF-8骨架极化传递的自旋扩散曲线[ |
| Fig. 4 (a) 1H MAS NMR spectra of propane/propylene co-adsorbed on ZIF-8 at 1.1, 1.9, 5.8 and 9.6 bar; (b) 2D 1H-1H COSY MAS NMR spectrum of propane/propylene co-adsorbed on ZIF-8 at 9.6 bar; (c) Propane selectivity in ZIF-8 determined by IAST predications and 1H MAS NMR experiments; (d) 2D 1H-1H T2-filtered spin diffusion homo-nuclear correlation NMR spectra and extracted F2 slices of ZIF-8 upon adsorption of propane and propylene at 1.1 bar; (e) Spin diffusion buildup curves for the designated polarization transfer pathway from propane CH3 and CH2-group to ZIF-8 framework[ |
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