Figure 2.

Digital picture and Raman and XPS spectra. (a) Digital picture of GO and RGO, (b) Raman spectra of GO and RGO, and (c) C1s XPS spectra of GO before and (d) after reduction.

Chen et al. Nanoscale Research Letters 2012 7:101   doi:10.1186/1556-276X-7-101
Download authors' original image