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Large-Scale Synthesis of MOF-Derived Superporous Carbon Aerogels with Extraordinary Adsorption Capacity for Organic Solvents

Authors
Wang, ChaohaiKim, JeonghunTang, JingNa, JongbeomKang, Yong-MookKim, MinjunLim, HyunsooBando, YoshioLi, JianshengYamauchi, Yusuke
Issue Date
27-1월-2020
Publisher
WILEY-V C H VERLAG GMBH
Keywords
agarose; carbon aerogels; mesoporous materials; metal-organic frameworks; nanoarchitectured materials
Citation
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.59, no.5, pp.2066 - 2070
Indexed
SCIE
SCOPUS
Journal Title
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume
59
Number
5
Start Page
2066
End Page
2070
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/57945
DOI
10.1002/anie.201913719
ISSN
1433-7851
Abstract
Carbon aerogels (CAs) with 3D interconnected networks hold promise for application in areas such as pollutant treatment, energy storage, and electrocatalysis. In spite of this, it remains challenging to synthesize high-performance CAs on a large scale in a simple and sustainable manner. We report an eco-friendly method for the scalable synthesis of ultralight and superporous CAs by using cheap and widely available agarose (AG) biomass as the carbon precursor. Zeolitic imidazolate framework-8 (ZIF-8) with high porosity is introduced into the AG aerogels to increase the specific surface area and enable heteroatom doping. After pyrolysis under inert atmosphere, the ZIF-8/AG-derived nitrogen-doped CAs show a highly interconnected porous mazelike structure with a low density of 24 mg cm(-3), a high specific surface area of 516 m(2) g(-1), and a large pore volume of 0.58 cm(-3) g(-1). The resulting CAs exhibit significant potential for application in the adsorption of organic pollutants.
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공과대학 (신소재공학부)
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