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

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Abstract

Superhydrophobicity and high elasticity are the two key properties of oil-absorption porous materials. The hydrophobic graphene/carbon black coating on the skeleton of a 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 a high elasticity. Its absorbed oils could be recycled by simple squeezing and it was also regenerated by squeezing because of the high elasticity. In addition, it showed a high absorption capacity for common oil contaminations and its fabrication was facile. Therefore, it is really an excellent absorbent for the practical absorption of oil contaminations from water.

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

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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, Advance Article
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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, Advance Article , DOI: 10.1039/C7TA02613G

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