Figure 1 | Scientific Reports

Figure 1

From: High-efficiency exfoliation of large-area mono-layer graphene oxide with controlled dimension

Figure 1

Spectroscopic analysis of GtO produced by shearing stress reactor. (a) XRD pattern of GtO at 10.3° (d-spacing: ~8.5 Å, upper) and graphite powder at 26.5° (d-spacing: ~3.4 Å, lower). (b) C1s XPS spectra of C-C bond at 284.5 eV (blue), C–O bond at 286.7 eV (red), and C=O bond at 288.2 eV (green). (c) Raman spectra of GtO with D (1349 cm−1) and G peak (1589 cm−1). 514 nm excitation.

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