Figure 4From: Nanostructured materials with biomimetic recognition abilities for chemical sensingAFM image of MoS 2 NPs and Cu 2 S NPs. (a) AFM image of MoS2 NPs revealing that the size is about 50 to 100 nm; scan size, 10 × 10 μm; scan rate, 2.96 Hz. (b) AFM image of Cu2S NPs; the size is about 50 to 100 nm; scan size, 10 × 10 μm; scan rate, 1.25 Hz.Back to article page