期刊
INORGANIC CHEMISTRY FRONTIERS
卷 10, 期 13, 页码 3821-3827出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3qi00391d
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In this study, the selection and optimization of synthesis routes for porous metal-organic materials were compared. Mechanochemistry, slurry, and solution methods were assessed for the synthesis of a 1D chain coordination polymer, and it was found that both water slurry and water-assisted mechanochemical syntheses were successful in yielding the desired intermediate. However, the resulting products exhibited different CO2 sorption profiles depending on the synthesis methods used.
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)(H2O)(2)]center dot bpy}(n) (chn-1-Co-NCS-H2O) 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-H2O, in high yield. Nevertheless, the resulting sql-1-Co-NCS products were observed to exhibit different CO2 sorption profiles depending on the synthesis methods used to prepare chn-1-Co-NCS-H2O. 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.
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