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. 2017 Sep 27;2(9):6187–6200. doi: 10.1021/acsomega.7b00757

Table 3. XPS Peak Spectra along with Peak Positions.

element peak splitting peak positions (eV) references
molybdenum (Mo) Mo 3d5/2 (Mo4+) 229.7 (11, 15, 17, 21, 22, 24, 25)
Mo 3d3/2 (Mo4+) 230.2
Mo 3d3/2 (Mo6+) 233.1
sulfur (S) S 2p1/2 165.8 (11, 15, 17, 21, 22, 24, 25)
S 2p3/2 167.0
iron (Fe2+ and Fe3+) Fe 2p1/2 711.4 (2, 7, 15, 17, 19)
Fe 2p1/2 713.2
oxygen (O) O 1s 527.7 (2, 7, 15, 17)
529.1
chromium (Cr) Cr 2p1/2 574.5 (2, 5, 24, 25, 33, 34)
Cr 2p1/2 573.4
Cr 2p1/2 583.8