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. 2020 Mar 5;11:1207. doi: 10.1038/s41467-020-15004-6

Fig. 6. Band alignment of crystal violet and [Au25(Cys)18] from XPS.

Fig. 6

a N 1s spectra taken from CV only, [Au25(Cys18)] only and CV&[Au25(Cys)18)]. Experimental data shown as blue line are fitted with the peak shapes derived from phase-pure crystal violet (red line) and [Au25(Cys)18] (black line). b XPS band alignment between crystal violet and [Au25(Cys)18]. CV indicates crystal violet. EHBM is homo band maximum energy. ΔEH is the energy offset between CV EHBM and [Au25(Cys)18] EHBM. ELBM is lumo band maximum energy. ΔEL is the energy offset between CV ELBM and [Au25(Cys)18] ELBM. ΔECL is the core level offset between the N 1s core levels.