Table 5. Mo 3d Fitting Data of MoS₂/AC Catalysts.

catalysts	Mo4+,a %	Mo5+,b %	Mo6+,c %	SMo,d %	MoS2,ewt %
MoS2/AC	42.86	24.24	32.90	42.86	8.57
MoS2/AC1	44.50	20.82	34.68	44.50	8.90
MoS2/AC2	46.20	22.65	31.15	46.20	9.24
MoS2/AC3	52.13	18.14	29.73	52.13	10.42
MoS2/AC4	45.72	18.20	36.08	45.72	9.14

^aPercentage of XPS peak area of fully sulfurized MoS₂.

^bPercentage of XPS peak area of incompletely sulfurized MoS_xO_y.

^cPercentage of XPS peak area of unsulfurized MoO₃.

^dSulfurization degree S_Mo = Mo⁴⁺/ (Mo⁴⁺ + Mo⁵⁺ + Mo⁶⁺).³⁵

^eAmount of MoS₂, MoS₂ = S_Mo × 20% (the amount of MoO₃).