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Superhydrophobic and Superoleophilic Micro-Wrinkled Reduced Graphene Oxide as a Highly Portable and Recyclable Oil Sorbent

文献类型： 外文期刊

作者： Feng, Chunfang 1 ; Yi, Zhifeng 1 ; She, Fenghua 1 ; Gao, Weimin 1 ; Peng, Zheng 1 ; Garvey, Christopher J. 3 ; Dumee, 1 ;

作者机构： 1.Deakin Univ, Inst Frontier Mat, Waurn Ponds, Vic 3216, Australia

2.CATAS, APPRI, Zhanjiang 524001, Peoples R China

3.ANSTO, Lucas Heights, NSW 2234, Australia

关键词： wrinkled reduced graphene oxide;superhydrophobic;uperoleophilic;textured graphene;oil sorption;chemical remediation

期刊名称：ACS APPLIED MATERIALS & INTERFACES （ 影响因子：9.229； 五年影响因子：9.57 ）

ISSN： 1944-8244

年卷期： 2016 年 8 卷 15 期

页码：

收录情况： SCI

摘要： The potential of superhydrophobic and superoleophilic microwrinkled reduced graphene oxide (MWrGO) structures is here demonstrated for oil spill cleanup. The impact of the thickness of MWrGO films on the sorption performance of three different oils was investigated. Water contact angles across the MWrGO surfaces were found to exceed 150 degrees, while oil could be easily absorbed by the microwrinkled structures of MWrGO within seconds after contact. Although the oil surface diffusion rate was not found to be dependent on the thickness of the graphene oxide films, the oil sorption capacity was the largest with the thinner MWrGO films due to the high surface area resulting from their fine surface texture. Furthermore, the composite films can be repeatedly used for at least 20 oil sorption-removal cycles without MWrGO/elastomer composite films could be applied as a potential any notable loss in selectivity and uptake capacity. These candidate material for future oil spill cleanup.

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