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XPS spectra for (a) Fe 2p, (b) Te 3d, (c) Cd 3d, (d) Se 3d core levels. In all four plots, the traces for the CdSe quantum dot/[Fe3Te2(CO)9] assembly are plotted as the top trace with that for the pure [Fe3Te2(CO)9] cluster (a,b) or pure quantum dot (c,d) plotted below.
