Research Article
TiO2/Pt/TiO2 Sandwich Nanostructures: Towards Alcohol Sensing and UV Irradiation-Assisted Recovery
Figure 3
SEM images of PCB substrate at (a) low and (b) high magnifications, TEM images of the TiO2/Pt/TiO2 layers at (c) low and (d) high magnifications, and (e) Auger depth profile of the TiO2/Pt/TiO2 layers on the SiO2/Si substrate.