期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 4, 期 3, 页码 1068-1077出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta09540a
关键词
-
资金
- International Science & Technology Cooperation Program of China [2015DFA51110]
The graphene oxide aerogel microspheres were prepared by a novel approach, i.e. a combination of electrospraying and freeze-casting. The unique well-defined center-diverging microchannel dandelion-like structures were observed in the aerogel microspheres and a formation mechanism of the structure, i.e. radial-directional freezing-thawing, was proposed. After further thermal reduction, the reduced graphene oxide aerogel microspheres were obtained and the center-diverging microchannel structures can be remained. Due to their highly porous, hierarchical and hydrophobic structure as well as a random packing effect, the aerogel microspheres possess excellent adsorption ability for various organic solvents and oils, showing their potential applications in environmental pollutant treatment.
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