Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 216, Issue -, Pages 10-15Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mseb.2016.06.007
Keywords
Natural cotton; Oil sorbent; Reduced-graphene-oxide-coated cotton; Hydrophobic cellulose; Oil spill cleanup
Funding
- PetroVietnam University [GV1503]
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The reduced-graphene-oxide (RGO)-coated cotton sponge (RGO-Cot) was prepared by simply heating a graphene-oxide (GO) -coated cotton sponge, which was fabricated by dipping a commercial cotton sponge into a GO dispersion, under vacuum at 200 degrees C for 2 h. The thus prepared RGO-Cot sponges exhibited superhydrophobicity and superoleophilicity, with a water contact angle of 151 degrees. These RGO-Cot sponges could be used for removal of many types of oils and organic solvents as they exhibit absorption capacities in the range of 22-45 times their weight and good absorption recyclability. (C) 2016 Elsevier B.V. All rights reserved.
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