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A nitrogen-rich, azaindole-based microporous organic network: synergistic effect of local dipole–π and dipole–quadrupole interactions on carbon dioxide uptake  
A nitrogen-rich, azaindole-based microporous organic network: synergistic effect of local dipole–π and dipole–quadrupole interactions on carbon dioxide uptake
资料类型: PDF文件
关键词: microporous  organic  polymer  dipole–π  and  dipole–quadrupole  interactions  
资料大小: 1475k
所属学科: 高分子化学
来源: 来源网络
简介:
A new type of microporous organic polymer with azaindole units (N-PEINK) has been designed. The resulting N-PEINK exhibits good chemical and thermal stability with a decomposition temperature of 550 °C. Taking advantage of the synergistic effect of local dipole–π and dipole–quadrupole interactions between azaindole and carbon dioxide (CO2), the CO2 uptake capacity of the polymer reaches 20.8 wt% (1.0 bar, 273 K) with high selectivities (CO2/N2 = 97, CO2/CH4 = 18), making the polymer a promising microporous material for application in CO2 separation and capture. Furthermore, the azaindole-based microporous organic polymer also exhibits a high hydrogen storage (2.67 wt%) at 1.0 bar and 77 K. For comparison, the microporous organic polymer with indole units (PEINK) was also prepared.
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上传时间: 2017-2-8 14:03:20
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