新型二维材料MXene的研究进展

张建峰, 曹惠杨, 王红兵

Research Progress of Novel Two-dimensional Material MXene

Jian-Feng ZHANG, Hui-Yang CAO, Hong-Bing WANG

表1 Ti_n₊₁AlC_n、NB-Ti_n₊₁Al_0.5C_n、NB-Ti_n₊₁C_n、B1-TiC的结合能E_coh及结合能差ΔE_coh^[37]

Table1 Cohesive energies ( E_coh, ) and differences in E_coh ( ΔE ) for MAX Ti_n₊₁AlC_n phases, Ti_n₊₁Al_0.5C_n and Ti_n₊₁C_n free-standing NBs uersus B1-TiC^[37]

System	^*E_coh/ eV	^*ΔE_coh/ eV
^*TiC	7.49(7.16^a; 9.14^b; 9.28^c; 7.20^d; 7.30^e; 7.31^f; 7.45ⁱ)	-
^*Ti₂AlC	6.29(7.79^c)	1.20(1.49^c)
Ti₂Al_0.5C	6.28	1.21
Ti₂C	6.28	1.21
Ti₃AlC₂	6.71(8.32^c; 6.93^g; 7.70^h; 8.499^j)	0.78(0.96^c)
Ti₃Al_0.5C₂	6.76	0.73
Ti₃C₂	6.82	0.67