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Figure 2 | Nanoscale Research Letters

Figure 2

From: Real-time detection of chlorine gas using Ni/Si shell/core nanowires

Figure 2

Electron microscopy images of as-grown Ni-Si NWs. (a) Scanning electron microscope (SEM) image of individual Ni-Si NWs. (b) Transmission electron microscope (TEM) image of a single Ni-Si NW. According to SEM and TEM images, the Ni-Si NWs had a length of 1 ~ 4 μm and a diameter of approximately 60 nm. (c) SEM image and EDS data of Ni-Si NWs fixed on a Al2O3 surface. The rectangle on the SEM image (left) shows the region of EDS analysis. The peaks show the Ni and Si peaks. The Al peak is from the Al2O3 substrate used for NW fixation.

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