Issue 10, 2015

Scalable production of wrinkled and few-layered graphene sheets and their use for oil and organic solvent absorption

Abstract

High-quality wrinkled and few-layered graphene sheets have been produced via a mechano-thermal exfoliation process for a simple, effective and low-cost mass production. Graphene sheets were produced by first ball milling of graphite with ammonium chloride followed by thermal annealing at 800 °C in nitrogen gas. The few layered graphene sheets show highly efficient selectivity and capacity for the absorption of petroleum products as well as organic solvents such as ethanol, cyclohexane and chloroform (up to 82, 42 and 98 times of their own weight, respectively). The saturated few-layered graphene sheets can be cleaned for reuse by simply burning in air. The low-cost strategy for mass production and easy recycling routes demonstrate the great potential of few-layered graphene sheets for oil removal.

Graphical abstract: Scalable production of wrinkled and few-layered graphene sheets and their use for oil and organic solvent absorption

Supplementary files

Article information

Article type
Paper
Submitted
15 Dec 2014
Accepted
29 Jan 2015
First published
30 Jan 2015

Phys. Chem. Chem. Phys., 2015,17, 6913-6918

Author version available

Scalable production of wrinkled and few-layered graphene sheets and their use for oil and organic solvent absorption

D. Liu, W. Lei and Y. Chen, Phys. Chem. Chem. Phys., 2015, 17, 6913 DOI: 10.1039/C4CP05864J

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