25th Anniversary Article: MXenes: A New Family of Two‐Dimensional Materials. (19th December 2013)

• Record Type: Journal Article
• Authors: Naguib, Michael; Mochalin, Vadym N.; Barsoum, Michel W.; Gogotsi, Yury
• Is Part Of: Advanced materials. Volume 26:Number 7(2014)
• Page Start: 992
• Page End: 1005
• Publication Date: 2013-12-19
• Subjects: Materials -- Periodicals; Chemical vapor deposition -- Periodicals; 620.11
• DOI: 10.1002/adma.201304138
• Languages: English
• ISSNs: 0935-9648

Abstract

<abstract abstract-type="main" xml:lang="en"> <title> <x xml:space="preserve">Abstract</x> </title> <p>Recently a new, large family of two‐dimensional (2D) early transition metal carbides and carbonitrides, called MXenes, was discovered. MXenes are produced by selective etching of the A element from the MAX phases, which are metallically conductive, layered solids connected by strong metallic, ionic, and covalent bonds, such as Ti₂AlC, Ti₃AlC₂, and Ta₄AlC₃. MXenes ­combine the metallic conductivity of transition metal carbides with the hydrophilic nature of their hydroxyl or oxygen terminated surfaces. In essence, they behave as "conductive clays". This article reviews progress—both ­experimental and theoretical—on their synthesis, structure, properties, intercalation, delamination, and potential applications. MXenes are expected to be good candidates for a host of applications. They have already shown promising performance in electrochemical energy storage systems. A detailed outlook for future research on MXenes is also presented.</p> </abstract>