首页 | 本学科首页   官方微博 | 高级检索  
     


Modulation versus Templating: Fine‐Tuning of Hierarchally Porous PCN‐250 Using Fatty Acids To Engineer Guest Adsorption
Authors:Angelo Kirchon  Jialuo Li  Fangqing Xia  Gregory S. Day  Benjamin Becker  Wenmiao Chen  Hung‐Jue Sue  Yu Fang  Hong‐Cai Zhou
Abstract:Modulation and templating are two synthetic techniques that have garnered significant attention over the last several years for the preparation of hierarchically porous metal–organic frameworks (HP‐MOFs). In this study, by using fatty acids with different lengths and concentrations as dual‐functional modulators/templates, we were able to obtain HP‐MOFs with tunable mesopores that exhibit different pore diameters and locations. We found that the length and concentration of the fatty acids can determine if micelle formation occurs, which in turn dictates the porosity of the resulting HP‐MOFs. The HP‐MOFs with different mesopores differed in their performance in gas uptake and dye adsorption, and the structure–performance relationships were ascribed to the pore diameters and locations. This approach could provide a potentially universal method to efficiently introduce hierarchal mesopores into existing microporous MOF adsorbents with tunable properties.
Keywords:Farbstoffadsorption  Hierarchisch porö  se Materialien  Metallorganische Gerü  ste  Mizellen  Templatsynthese
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号