Fig. 2From: Salivary Electrochemical Cortisol Biosensor Based on Tin Disulfide Nanoflakesa XRD pattern of SnS2. FE-SEM images of SnS2 nanoflakes were taken at magnifications of (b) × 250,000 and (c) × 100,000. d FEG-TEM images of SnS2 nanoflakes. e Cross-sectional FEG-TEM of SnS2 nanoflakes and zoomed-in FEG-TEM image. f SAED image of SnS2 nanoflakesBack to article page