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다차원 탄소재료 연구단
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Synthesis of Porous Covalent Quinazoline Networks (CQNs) and Their Gas Sorption Properties

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Title
Synthesis of Porous Covalent Quinazoline Networks (CQNs) and Their Gas Sorption Properties
Author(s)
Onur Buyukcakir; Recep Yuksel; Yi Jiang; Sun Hwa Lee; Won Kyung Seong; Xiong Chen; Rodney S. Ruoff
Publication Date
2019-01
Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.58, no.3, pp.872 - 876
Publisher
WILEY-V C H VERLAG GMBH
Abstract
The development of different classes of porous polymers by linking organic molecules using new chemistries still remains a great challenge. Herein, we introduce for the first time the synthesis of covalent quinazoline networks (CQNs) using an ionothermal synthesis protocol. Zinc chloride (ZnCl2) was used as the solvent and catalyst for the condensation of aromatic ortho-aminonitriles to produce tricycloquinazoline linkages. The resulting CQNs show a high porosity with a surface area up to 1870 m(2) g(-1). Varying the temperature and the amount of catalyst enables us to control the surface area as well as the pore size distribution of the CQNs. Furthermore, their high nitrogen content and significant microporosity make them a promising CO2 adsorbent with a CO2 uptake capacity of 7.16 mmol g(-1) (31.5 wt %) at 273 K and 1 bar. Because of their exceptional CO2 sorption properties, they are promising candidates as an adsorbent for the selective capture of CO2 from flue gas. (c) 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/5601
ISSN
1433-7851
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
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