Figure 3.
XPS of GO and SnO2/rGO composite. (a) XPS survey spectra of GO and SnO2/rGO; (b) XPS spectrum of Sn3d of SnO2/rGO and SnO2; (c) O 1s spectra of SnO2/rGO; and (d,e) C1s spectra of GO and SnO2/rGO.
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