Figure 1From: Enhanced electrical properties in sub-10-nm WO3 nanoflakes prepared via a two-step sol-gel-exfoliation methodSEM images of the nanostructured WO 3 nanostructures obtained by sol-gel process. Annealed at 550°C (A), 650°C (B), 700°C (C), 750°C (D) and 800°C (E), respectively. EDX analysis for WO3 annealed at 550°C (F).Back to article page