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. 2017 Nov 1;7:14851. doi: 10.1038/s41598-017-14782-2

Figure 4.

Figure 4

Thermal stability of G-SERS substrate. In situ Raman spectra of (A) G-SERS and (B) Ag/SiO2/Si for low temperature heating (<300 °C) in air. In situ Raman spectra of (C) G-SERS and (D) graphene/SiO2/Si for high temperature heating (>400 °C) in air.