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Title:
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
Author: Qiao, Shanlin1; Huang, Wei1,2; Wei, Huan1; Wang, Ting1; Yang RenQiang(阳仁强)1
Source: POLYMER
Issued Date: 2015-07-23
Volume: 70, Issue:1, Pages:52-58
Keyword: Conjugated microporous polymers ; Polycarbazole ; Steric configuration
DOI: 10.1016/j.polymer.2015.06.011
DOC Type: Article
English Abstract:

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.

WOS Headings: Science & Technology ; Physical Sciences
WOS Subject: Polymer Science
WOS Subject Extended: Polymer Science
WOS Keyword Plus: CONJUGATED MICROPOROUS POLYMERS ; CARBON-DIOXIDE CAPTURE ; POROUS ORGANIC POLYMERS ; SMALL GAS-STORAGE ; SURFACE-AREA ; ENERGY APPLICATIONS ; LOW-PRESSURE ; SEPARATION ; HYDROGEN ; PERFORMANCE
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000358005000008
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/6519
Appears in Collections:先进有机功能材料团队_期刊论文

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description.institution: 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

Recommended Citation:
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.
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