Figure 3 .

Raman spectra of SnO2/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.

Wang et al. Nanoscale Research Letters 2012 7:215   doi:10.1186/1556-276X-7-215
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