Ultrafast Synthesis of MXenes in Minutes via Low-Temperature Molten Salt Etching

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - (2024) vom: 17. Okt., Seite e2410736
1. Verfasser: Wang, Yongbin (VerfasserIn)
Weitere Verfasser: Zhou, Bin, Tang, Qi, Yang, Yi, Pu, Ben, Bai, Jia, Xu, Jing, Feng, Qingguo, Liu, Yan, Yang, Weiqing
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article MXenes low‐temperature molten salt ultrafast and scalable synthesis universality
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520 |a Developing green and efficient preparation strategies is a persistent pursuit in the field of 2D transition metal nitrides and/or carbides (MXenes). Traditional etching methods, such as HF-based or high-temperature Lewis-acid-molten-salt etching route, require harsher etching conditions and exhibit lower preparation efficiency with limited scalability, severely constraining their commercial production and practical application. Here, an ultrafast low-temperature molten salt (LTMS) etching method is presented for the large-scale synthesis of diverse MXenes within minutes by employing NH4HF2 as the etchant. The increased thermal motion and improved diffusion of molten NH4HF2 molecules significantly expedite the etching process of MAX phases, thus achieving the preparation of Ti3C2Tx MXene in just 5 minutes. The universality of the LTMS method renders it a valuable approach for the rapid synthesis of various MXenes, including V4C3Tx, Nb4C3Tx, Mo2TiC2Tx, and Mo2CTx. The LTMS method is easy to scale up and can yield more than 100 g Ti3C2Tx in a single reaction. The obtained LTMS-MXene exhibits excellent electrochemical performance for supercapacitors, evidently proving the effectiveness of the LTMS method. This work provides an ultrafast, universal, and scalable LTMS etching method for the large-scale commercial production of MXenes 
650 4 |a Journal Article 
650 4 |a MXenes 
650 4 |a low‐temperature molten salt 
650 4 |a ultrafast and scalable synthesis 
650 4 |a universality 
700 1 |a Zhou, Bin  |e verfasserin  |4 aut 
700 1 |a Tang, Qi  |e verfasserin  |4 aut 
700 1 |a Yang, Yi  |e verfasserin  |4 aut 
700 1 |a Pu, Ben  |e verfasserin  |4 aut 
700 1 |a Bai, Jia  |e verfasserin  |4 aut 
700 1 |a Xu, Jing  |e verfasserin  |4 aut 
700 1 |a Feng, Qingguo  |e verfasserin  |4 aut 
700 1 |a Liu, Yan  |e verfasserin  |4 aut 
700 1 |a Yang, Weiqing  |e verfasserin  |4 aut 
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773 1 8 |g year:2024  |g day:17  |g month:10  |g pages:e2410736 
856 4 0 |u http://dx.doi.org/10.1002/adma.202410736  |3 Volltext 
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