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WO3 nanotubes have been successfully synthesized by electrospinning and followed by calcination. The synthesized WO3 nanotubes have been characterized by scanning electron microscope (SEM) and X-ray powder diffraction (XRD). Based on the experimental results, the average diameter of the WO3 nanotubes is about 200nm. Gas sensors based on WO3 nanotubes were made in order to investigate their gas sensing...
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