Figure 3From: Graphene-supported SnO2 nanoparticles prepared by a solvothermal approach for an enhanced electrochemical performance in lithium-ion batteriesRaman spectra of SnO 2 /GNS nanocomposite and bare GNS from 200 to 2,000 cm−1. The inset shows magnified views of the spectra in the range of 400 to 900 cm−1.Back to article page