TECHNOLOGY AND APPLICATIONS OF GRAPHENE OXIDE MEMBRANES

Xuanye Leng, Siyu Chen, Kou Yang, Musen Chen, Majid Shaker, Evgenii E. Vdovin, Qi Ge, Kostya S. Novoselov and Daria V. Andreeva
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Xuanye Leng: Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
Siyu Chen: Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
Kou Yang: Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
Musen Chen: Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
Majid Shaker: Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore†Chongqing 2D Materials Institute, Liangjiang New Area, Chongqing, 400714, P. R. China
Evgenii E. Vdovin: #x2021;Institute of Microelectronics Technology RAS, Chernogolovka, 142432, Russia
Qi Ge: #x2020;Chongqing 2D Materials Institute, Liangjiang New Area, Chongqing, 400714, P. R. China
Kostya S. Novoselov: Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore†Chongqing 2D Materials Institute, Liangjiang New Area, Chongqing, 400714, P. R. China
Daria V. Andreeva: Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore

Surface Review and Letters (SRL), 2021, vol. 28, issue 08, 1-24

Abstract: Graphene oxide (GO) is an amphiphilic, water dispersible, chemical derivative of graphene. Widely used as a pathway to obtain graphene, it also has a number of interesting applications by itself due to its ability to form covalently and non-covalently bonded organic–inorganic hybrids and polymer composites. Thus, GO-based composites are used in numerous applications in membrane and coating technologies. It is important that due to the presence of functional acidic groups, GO possesses tunable physicochemical properties like a negatively charged polyelectrolyte and can be used as stimuli responsive membranes, membranes that can interact with environment and switch their properties on demand. Thus, ionic/molecular separation, water purification, selective sensing, and stimuli responsive properties have already been demonstrated in the laboratory. Good mechanical strength and conductivity (in its partially reduced form) make it attractive for the construction of the membranes for energy devices and sensors. However, concentration and distribution of the functional groups on GO molecules is difficult to control. It makes GO materials difficult to standardize, produce, and apply in industry. To this end, it is important to highlight recent achievement in the synthesis of GO as well as in design of GO-based energy devices, corrosion inhibiting coatings, and biomedical devices with improved working performances to evoke interest on mass production of GO with improved formulation.

Keywords: 2D materials; GO membranes; ion/molecular separation; water treatment; transistors; corrosion protection (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218625X21400047

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