Nano-Micro Letters

Potential of MXenes in Water Desalination: Current Status and Perspectives

Ihsanullah Ihsanullah1,*

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Nano-Micro Lett. (2020) 12: 72

First Online: 12 March 2020 (Review)


*Corresponding author. E-mail: engr.ihsan.dir@gmail.com or ihsankhan@kfupm.edu.sa (Ihsanullah Ihsanullah)





MXenes, novel 2D transition metal carbides, have emerged as wonderful nanomaterials and a superlative contestant for a host of applications. The tremendous characteristics of Mxenes, i.e. high surface area, high metallic conductivity, ease of functionalization, biocompatibility, activate metallic hydroxide sites, and hydrophilicity make them the best aspirant for applications in energy storage, catalysis, sensors, electronics, and environmental remediation. Due to their exceptional physicochemical properties and multifarious chemical compositions, MXenes have gained considerable attention for applications in water treatment and desalination in recent times. It is vital to understand the current status of MXene applications in desalination in order to define the roadmap for the development of MXene based materials and endorse their practical applications in future. This paper critically reviews the recent advancement in the synthesis of MXenes and MXene-based composites for applications in desalination. The desalination potential of MXenes is portrayed in detail with a focus on ion sieving membranes, capacitive deionization, and solar desalination. The ion removal mechanism and regeneration ability of MXenes are also summarized to get insight into the process. The key challenges and issues associated with the synthesis and applications of MXenes and MXene-based composites in desalination are highlighted. Lastly, research directions are provided to guarantee the synthesis and applications of MXenes in a more effective way. This review may provide an insight into the applications of MXenes for water desalination in future. 



MXenes; 2D materials; Metal carbides; Capacitive deionization; Solar desalination; Nanomaterials

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