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High performance graphene-based foam fabricated by a facile approach for oil absorption

Abstract

The superhydrophobicity and high elasticity are the two key properties of oil-absorption porous materials. The hydrophobic graphene/carbon black coating on the skeletons of melamine sponge facilitated the surface to form the micro/nanoscale roughness. The resulting sponge thus was superhydrophobic. Moreover, it inherited the extremely high elasticity of raw melamine sponge, which showed no plastic deformation even after 1000 compression/relaxing cycles. To our knowledge, this was the first superhydrophobic graphene-based porous monolith with such high elasticity. Its absorbed oils could be recycled by simple squeezing and it was also regenerated by squeezing because of high elasticity. In addition, it showed high absorption capacity for common oil contaminations and its fabrication was facile. Therefore, it was really an excellent absorbent for practical absorption of oil contaminations from water.

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Publication details

The article was received on 24 Mar 2017, accepted on 08 May 2017 and first published on 08 May 2017


Article type: Paper
DOI: 10.1039/C7TA02613G
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    High performance graphene-based foam fabricated by a facile approach for oil absorption

    C. Ji, K. Zhang, L. Li, X. Chen, J. Hu, D. Yan, G. Xiao and X. He, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA02613G

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