Journal
MATERIALS LETTERS
Volume 178, Issue -, Pages 95-99Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.04.131
Keywords
Nitrogen-doped graphene; Porous materials; Oil absorption; Carbon materials
Funding
- National Natural Science Foundation of China [51402140, 11205235]
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A superoleophilic and hydrophobic Nitrogen-doped graphene (NG) sponge with three-dimensional (3 D) structure is fabricated through a facile hydrothermal method without further surface pretreatments or modification. The as-prepared NG exhibited a high specific surface area (132 m(2)/g), low density (0.501 cm(3)/g) and good porosity. Interestingly, NG demonstrated very strong absorption capacities (up to 200 times as its own weight) in a short time (5 s) for a broad spectrum of oil and organic solvents with a good recyclability of 5 times. The research results suggest that practical application of NG in the field of spilled oil recovery is feasible, cost-effective and scalable. (C) 2016 Elsevier B.V. All rights reserved.
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