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Rational design of a novel indole-based microporous organic polymer: enhanced carbon dioxide uptake via local dipole–π interactions  
Rational design of a novel indole-based microporous organic polymer: enhanced carbon dioxide uptake via local dipole–π interactions
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关键词: indole-based  microporous  organic  polymer  local  dipole–p  interactions  
资料大小: 870k
所属学科: 功能高分子
来源: 来源网络
简介:
An indole-based microporous organic polymer (PINK) has been obtained by the condensation polymerization of 1,3,5-tris-(4-fluorobenzoyl)benzene with 3,30-diindolylmethane via a catalyst-free nucleophilic substitution reaction. Due to the local dipole–p interactions between indole and carbon dioxide (CO2), the uptake capacity for CO2 reaches up to 16.0 wt% (1.0 bar, 273 K), and the high (CO2/N2), CO2/CH4) selectivities of the polymer make it a promising material for potential application in gas separation. Furthermore, the hydrogen storage is up to 2.48 wt% (1.0 bar, 77 K). In comparison to the reported porous organic polymers, the preparative strategy exhibits cost-effective advantages, which are essential for scale-up preparation. Its good performance for H2 storage and CO2 separation suggests that PINK with a large specific surface area shows potential use in clean energy applications and the environmental field.
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上传时间: 2017-2-8 14:06:39
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