Porous Polymer Networks: Synthesis, Porosity, and Applications in Gas Storage/Separation

被引:509
作者
Lu, Weigang [3 ]
Yuan, Daqiang [3 ]
Zhao, Dan [3 ]
Schilling, Christine Inge [1 ,2 ]
Plietzsch, Oliver [1 ,2 ]
Muller, Thierry [1 ,2 ]
Braese, Stefan [1 ,2 ]
Guenther, Johannes [3 ]
Blumel, Janet [3 ]
Krishna, Rajamani [5 ]
Li, Zhen [4 ]
Zhou, Hong-Cai [3 ]
机构
[1] KIT, Inst Organ Chem, Fritz Haber Weg 6, D-76131 Karlsruhe, Germany
[2] KIT, Ctr Funct Nanostruct, D-76131 Karlsruhe, Germany
[3] Texas A&M Univ, Dept Chem, College Stn, TX 77842 USA
[4] Texas A&M Univ, Mat Characterizat Facil, College Stn, TX 77842 USA
[5] Univ Amsterdam, Vant Hoff Inst Mol Sci, NL-1098 XH Amsterdam, Netherlands
基金
美国国家科学基金会;
关键词
METAL-ORGANIC FRAMEWORKS; CONJUGATED MICROPOROUS POLYMER; HYDROGEN-STORAGE MATERIALS; CARBON-DIOXIDE; SURFACE-AREA; HIGH-CAPACITY; NATURAL-GAS; CO2; METHANE; PHYSISORPTION;
D O I
10.1021/cm1021068
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Three porous polymer networks (PPNs) have been synthesized by the homocoupling of tetrahedral monomers. Like other hyper-cross-linked polymer networks, these materials are insoluble in conventional solvents and exhibit high thermal and chemical stability. Their porosity was confirmed by N-2 sorption isotherms at 77 K. One of these materials, PPN-3, has a Langmuir surface area of 5323 m(2) g(-1). Their clean energy applications, especially in H-2: CH4, and CO2 storage, as well as CO2/CH4 separation, have been carefully investigated. Although PPN-1 has the highest gas affinity because of its smaller pore size, the maximal gas uptake capacity is directly proportional to their surface area. PPN-3 has the highest H2 uptake capacity among these three (4.28 wt %, 77 K). Although possessing the lowest surface area, PPN-1 shows the best CO2/CH4 selectivity among them.
引用
收藏
页码:5964 / 5972
页数:9
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