Advances in the application of Mxene nanoparticles in wound healing

Table 2 Methods and conditions of etching

MAX Phase	Etching solution and condition	Resulting product	Characteristic	Reference
Ti₃AlC₂ powder	50%HF, room temperature, 2 h	Ti₃C₂	High toxicity	[23]
Ti₃AlC₂ powder	30%HF, room temperature, 5 h 10%HF, room temperature, 18 h 5%HF, room temperature, 24 h	Ti₃C₂Tx	Low toxicity	[31]
Ti₃AlC₂ powder	1 M NH4HF2, 60℃,8 h	Ti₃C₂	Non-toxic, monolayer MXene	[30, 35]
Ti₃AlC₂ powder	LiF + 6 M HCl, 35℃,24 h	Ti₃C₂Tx	Non-toxic, monolayer MXene	[24]
Ti₃AlC₂ powder	LiF + 9 M HCl, room temperature,24 h	Ti₃C₂Tx	Non-toxic, monolayer MXene	[31]
Ti₃AlC₂ powder	ZnCl2, 550℃	Ti₂CCl₂ Ti₃C₂Cl₂	Non-toxic, Need not MAX Phase	[36]
Zr₃Al₃C₅ powder (not MAXphase)	50%HF, room temperature	Zr₃C₂	Non-toxic, Need not MAX Phase	[37]

ISSN: 1754-1611