Document Type : Review Article
Authors
1
Ph.D Student, Chemistry Department, Kashan university, P.O. Box: 87317-51167, Kashan, Iran
2
Non-metallic Materials Research Group, Niroo Research Institute, P.O. Box 14665517, Tehran, Iran.
3
Associate Professor, Chemistry Department, Kashan university, P.O. Box: 87317-51167, Kashan, Iran
10.22034/amnc.2023.412789.1249
Abstract
Since the discovery of Ti3C2 MXene in 2011, continuous research has been carried out in the development of new MAX phases and the extraction of MXene from them. MXene has a series of exceptional properties due to its unique structure, excellent hydrophilicity, and conductivity of adjustable surface chemical functional groups. In this paper, a comprehensive review of the etchants widely used for the etching of A element from MAX phases leading to the formation of Maxene is also discussed. Similar to other 2D materials, due to strong van der Waals forces, MXene layers inevitably undergo stacking, leading to a severe loss of electrochemically active sites. If the accumulation of MXene layers can be prevented effectively, their electrochemical performance will increase. Therefore, in the next part of the article, the compounds that lead to an increase in the distance between the MXene layers are introduced, and finally the surface terminals such as -O, -OH, -F groups in MXene, which significantly affect their properties, are presented.
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