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Fine tailoring the steric configuration of initial building blocks to construct ultramicroporous polycarbazole networks with high CO2 uptake and selectivity of CO2 over N-2
Qiao, Shanlin1; Huang, Wei1,2; Wei, Huan1; Wang, Ting1; Yang, Renqiang1
2015-07-23
发表期刊POLYMER
卷号70期号:1页码:52-58
摘要

Three carbazole based building blocks with similar propeller-like steric configuration are designed and synthesized. The polycarbazole networks P-4, 4'-biscarbazolyl-phenyl (P-BCz), P-tetracarbazolyl-p-difluorobenzene (P-TCz) and P-hexacarbazolyl-phenyl (P-HCz) are obtained with high surface areas and uniform ultramicropores. The aggregation morphologies of networks vary from regular spherical particles, ribbon-like structure to large lamellar structure as the number of carbazole increased around the benzene ring. The networks P-TCz, with four carbazole decorating on the benzene ring, have the largest surface area and highest gas uptake ability among the three networks. However, the CO2 and CH4 isosteric enthalpies increased linearly with increasing the number of carbazole. The networks P-HCz with six carbazole show the excellent CO2/N-2 separative capacity (107 at 273 K, and 127 at 298 K), which is among the highest reported about CO2 separation using organic pore networks. Fine designing and tailoring the topological structure of monomer can control the adsorption properties and optimize the gas uptake performance. (C) 2015 Elsevier Ltd. All rights reserved.

文章类型Article
关键词Conjugated Microporous Polymers Polycarbazole Steric Configuration
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.polymer.2015.06.011
关键词[WOS]CONJUGATED MICROPOROUS POLYMERS ; CARBON-DIOXIDE CAPTURE ; POROUS ORGANIC POLYMERS ; SMALL GAS-STORAGE ; SURFACE-AREA ; ENERGY APPLICATIONS ; LOW-PRESSURE ; SEPARATION ; HYDROGEN ; PERFORMANCE
收录类别SCI
语种英语
WOS研究方向Polymer Science
WOS类目Polymer Science
WOS记录号WOS:000358005000008
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/6519
专题先进有机功能材料团队
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Qiao, Shanlin,Huang, Wei,Wei, Huan,et al. Fine tailoring the steric configuration of initial building blocks to construct ultramicroporous polycarbazole networks with high CO2 uptake and selectivity of CO2 over N-2[J]. POLYMER,2015,70(1):52-58.
APA Qiao, Shanlin,Huang, Wei,Wei, Huan,Wang, Ting,&Yang, Renqiang.(2015).Fine tailoring the steric configuration of initial building blocks to construct ultramicroporous polycarbazole networks with high CO2 uptake and selectivity of CO2 over N-2.POLYMER,70(1),52-58.
MLA Qiao, Shanlin,et al."Fine tailoring the steric configuration of initial building blocks to construct ultramicroporous polycarbazole networks with high CO2 uptake and selectivity of CO2 over N-2".POLYMER 70.1(2015):52-58.
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