The selection and optimization of synthesis routes for porous metal-organic materials are critical for their large-scale manufacture but remain largely underexplored.In this study,we compare mechanochemistry vs.slurry...The selection and optimization of synthesis routes for porous metal-organic materials are critical for their large-scale manufacture but remain largely underexplored.In this study,we compare mechanochemistry vs.slurry vs.solution methods for the synthesis of a 1D chain coordination polymer{[Co(bpy)(NCS)_(2)(H_(2)O)_(2)]·bpy}n(chn-1-Co-NCS-H_(2)O)that is an intermediate to the 2D switching coordination network[Co(bpy)_(2)(NCS)_(2)]n,sql-1-Co-NCS(1=bpy=4,4′-bipyridine).Although neat mechanosynthesis using Co(NCS)_(2) and bpy as the starting materials failed,both water slurry and water-assisted mechanochemical syntheses afforded the desired intermediate,chn-1-Co-NCS-H_(2)O,in high yield.Nevertheless,the resulting sql-1-Co-NCS products were observed to exhibit different CO_(2)sorption profiles depending on the synthesis methods used to prepare chn-1-Co-NCS-H_(2)O.This study reveals that water can play an important role in mechanosynthesis,not only by inducing and accelerating the reaction process,but also by enhancing product quality in a manner that is not readily detectable by PXRD.展开更多
基金support of Science Foundation Ireland(16/IA/4624)the Irish Research Council(IRCLA/2019/167).
文摘The selection and optimization of synthesis routes for porous metal-organic materials are critical for their large-scale manufacture but remain largely underexplored.In this study,we compare mechanochemistry vs.slurry vs.solution methods for the synthesis of a 1D chain coordination polymer{[Co(bpy)(NCS)_(2)(H_(2)O)_(2)]·bpy}n(chn-1-Co-NCS-H_(2)O)that is an intermediate to the 2D switching coordination network[Co(bpy)_(2)(NCS)_(2)]n,sql-1-Co-NCS(1=bpy=4,4′-bipyridine).Although neat mechanosynthesis using Co(NCS)_(2) and bpy as the starting materials failed,both water slurry and water-assisted mechanochemical syntheses afforded the desired intermediate,chn-1-Co-NCS-H_(2)O,in high yield.Nevertheless,the resulting sql-1-Co-NCS products were observed to exhibit different CO_(2)sorption profiles depending on the synthesis methods used to prepare chn-1-Co-NCS-H_(2)O.This study reveals that water can play an important role in mechanosynthesis,not only by inducing and accelerating the reaction process,but also by enhancing product quality in a manner that is not readily detectable by PXRD.
