Journal
NANO RESEARCH
Volume 15, Issue 7, Pages 6636-6654Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-022-4273-y
Keywords
graphene oxide; membrane technology; structural modulation; separation mechanism; water treatment
Categories
Funding
- National Natural Scientific Foundation of China [51878361, 52070104]
- Natural Scientific Foundation of Shandong Province [ZR2019MEM048]
- State Key Project of International Cooperation Research [2016YFE01108002017YFE0108300]
- National Program for Introducing Talents of Discipline to Universities (111 plan)
- 1st Class Discipline Program of Materials Science of Shandong Province
- Double-Hundred Foreign Expert Program of Shandong Province
- Henry Samueli School of Engineering & Applied Science
- Department of Bioengineering at the University of California, Los Angeles
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This paper summarizes the separation mechanism and preparation methods of graphene oxide (GO) membranes, reviews the structural regulation of GO, and provides an overview of the potential development prospects and challenges of GO membranes.
Graphene oxide (GO), a derivative of graphene, is a novel carbon material that has attracted a lot of attention in the field of membrane materials as its ability to achieve layer-by-layer stacking and the formation of nanochannels between the lamellae makes it excellent for selective separation of substances. In this paper, the separation mechanism of the GO membrane is summarized. According to the different separation substances, the separation mechanism of graphene oxide membrane is reviewed from two aspects of metal ions and organic pollutants. Next, the preparation methods of graphene oxide membranes is introduced, such as spin-coating, vacuum filtration, dip-coating, spraying, and layer-by-layer self-assembly, followed by a review on the structural regulation of GO. Finally, this paper concludes with an overview of the potential development prospects and challenges of GO membranes.
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