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Table 2 The Mo 3d and S 2p peak positions, atomic percentages, and x values of the TR-MoSx samples annealed at 250, 300, and 350 °C

From: Low-Temperature Thermally Reduced Molybdenum Disulfide as a Pt-Free Counter Electrode for Dye-Sensitized Solar Cells

Peak and identity Fitting of Mo 3d and S 2p peak binding energy (eV) (atomic percentage (%))
250 °C 300 °C 350 °C
Mo4+ 3d5/2 MoS2 229.23(31.2) 229.10(44.4) 229.22(54.0)
Mo4+ 3d3/2 232.37(18.1) 232.24(27.6) 232.36(32.6)
Mo5+ 3d5/2 Mo2S5 230.18(19.2) 230.23(9.7) 230.10(4.2)
Mo5+ 3d3/2 233.32(12.8) 233.37(6.4) 233.24(2.8)
Mo6+ 3d5/2 MoS3 231.40(5.6) 231.30(3.4) 231.40(1.7)
Mo6+ 3d3/2 234.54(3.8) 234.44(2.3) 234.54(1.1)
Mo6+ 3d5/2 MoO3 232.50(5.6) 232.50(3.7) 232.50(2.2)
Mo6+ 3d3/2 235.64(3.8) 235.64(2.5) 235.64(1.5)
S2− 2p3/2 MoS2 161.76(35.7) 161.90(51.8) 162.05(61.7)
S2− 2p1/2 162.95(17.9) 163.09(25.9) 163.24(30.9)
S2 2− 2p3/2 163.20(30.9) 163.30(14.9) 163.10(4.9)
S2 2− 2p1/2 164.39(15.5) 164.49(7.4) 164.29(2.5)
S/Mo ratio (x values) 2.26 2.19 2.03