期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 608, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2020.125602
关键词
Graphene aerogel; Carbon fibers; Superhydrophobicity; Adsorption; Stability; Compressibility
资金
- Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi [2019L0148, 2019L0255]
- National Natural Science Foundation of China [51671140, U1710117, U1610255]
- National Key Research and Development Program of China [2017YFB0603104]
- Key R&D Program of Shanxi Province [201903D421077]
Supported N-doped reduced graphene oxide aerogel with fiber materials shows ultra-light density, high adsorption capacity, and thermal stability, making it suitable for high-value utilization.
In order to improve structural stability of aerogel, supported N-doped reduced graphene oxide aerogels are prepared by introducing fiber materials (biomass cellulose and carbon fibers) via self-assembly method. Thereinto, N-doped carbon fibers/reduced graphene oxide aerogel exhibits ultra-light density (7.19 mg/cm(3)), high specific surface area (329.6 m(2)/g), excellent superhydrophobicity, high adsorption capacity (206.38 g/g), which is superior to most reported cellulose aerogels. Moreover, regardless of multiple heating or squeezing cycles, adsorption capacity of this aerogel is also more than 90 %. In addition, N-doped carbon fibers/reduced graphene oxide aerogel shows good mechanical compressive property and thermal stability, which contributes to high-valued utilization in practice.
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