Journal
ACS APPLIED NANO MATERIALS
Volume 5, Issue 11, Pages 16027-16032Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.2c03701
Keywords
MXene delamination; swelling; intercalation; MXene films
Funding
- Murata Manufacturing, Japan
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This study demonstrates the delamination of two-dimensional titanium carbide Ti3C2TX MXene using Na+ and K+ as dispersants, thus avoiding adverse effects of Li+ and improving the environmental stability of the films.
Two-dimensional titanium carbide (Ti3C2TX ; MXene) is the most important member of the MXene family with attractive properties and applications in energy storage, electronics, medicine, and many others. A typical synthesis involves selective etching of a layered precursor (MAX phase), followed by intercalation with Li+ ions and delamination into individual flakes. Here, we demonstrate that, by adjusting the etching conditions, Ti3C2TX MXene can be delaminated with Na+ and K+. Since residual delamination agents are still present on the MXene surface after the delamination process, this protocol allows one to avoid adverse effects of Li+ and to improve the environmental stability of the films.
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