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. 2021 Sep 21;11(50):31159–31173. doi: 10.1039/d0ra10894d

Summary of the atomic composition and stoichiometric assignments obtained from the fitting of the XPS spectra reported in ESI Fig. 1S and 5.

Precursor Element Atomic% Peak binding energy (eV) Assignments Assignment%
NbCl5 C 85.3 284.8 C–C 78.6
286.3 C–O 4.7
288.8 O–C Created by potrace 1.16, written by Peter Selinger 2001-2019 O 1.9
O 10.2 530.2 M–O 5.4
531.7 C Created by potrace 1.16, written by Peter Selinger 2001-2019 O 4.1
533.3 C–O 2.4
Nb 2.9 203.0 Nb4+3d5/2 0.1
206.9 Nb5+3d5/2 1.5
209.3 Nb5+3d3/2 0.4
Se 1.5 53.4 Se3d5/2 0.7
55.5 Se3d3/2 0.6
NbF5 C 77.9 284.9 C–C 59.5
286.2 C–O 6.0
288.7 O–C Created by potrace 1.16, written by Peter Selinger 2001-2019 O 4.1
O 13.3 530.1 M–O 2.8
531.8 C Created by potrace 1.16, written by Peter Selinger 2001-2019 O 5.5
533.6 C–O 4.4
Nb 2.5 203.6 Nb4+3d5/2 1.6
206.3 Nb4+3d5/2 1.6
207.3 Nb5+3d3/2 1.3
210.1 Nb5+3d5/2 1.6
Se 6.3 54.2 Se3d5/2 8.3
55.4 Se3d3/2 3.7