Porous Organic Frameworks-derived Porous Carbons with Outstanding Gas Adsorption Performance

被引：0
作者：
Tingting Yan
Guolong Xing
Saikat Das
Teng Ben
Shilun Qiu
机构：
[1] Jilin University,College of Chemistry
来源：
Chemical Research in Chinese Universities | 2018年 / 34卷
关键词：
Porous organic framework; Gas adsorption; Pyrolysis; Porous carbon;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A series of porous carbon materials was synthesized via high temperature pyrolysis from well-defined and thermally stable precursors, namely porous organic frameworks(POFs), in inert atmosphere. The porous carbon materials showed enhanced gas adsorption capacities together with increased heat of adsorption and stronger affinity between the frameworks and the gases as compared to the precursor materials. To exemplify, sample C-POF-TBBP-1000 with a high BET surface area of 1290 m2/g can adsorb 2.8 mmol/g CH4(273 K, 101.325 kPa), 5.4 mmol/g CO2(273 K, 101.325 kPa) and 2.2% H2(mass fraction, 77 K, 101.325 kPa), thereby surpassing most other porous adsorbent materials reported till date. The study highlights the potential of porous carbons derived from novel porous organic framework structures for gas adsorption applications.
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页码：338 / 343
页数：5
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