期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 5, 页码 2066-2070出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201913719
关键词
agarose; carbon aerogels; mesoporous materials; metal-organic frameworks; nanoarchitectured materials
资金
- National Natural Science Foundation of China (NSFC) [51878352]
- China Scholarship Council (CSC)
- Shanghai Tongji Gao Tingyao Environmental Science and Technology Development Foundation
- Australian Research Council (ARC) [DE190101410, FT150100479]
- National Research Foundation (NRF) - Ministry of Science, Korea [2017M3A7B4041987]
- Australian Research Council [DE190101410] Funding Source: Australian Research Council
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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