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A novel composite structure of WO3 nanowires/porous silicon has been successfully synthesized via a convenient thermal evaporation method without using any catalysts. The diameters and lengths of nanowires are 40–60 nm and 20–30 µm, respectively, and the aspect ratio (length/diameter) of nanowires could be in range of 500–750. The obtained products were investigated by scanning electron microscopy,...
In this paper, intermediate-sized porous silicon (PS) sensing material was prepared via galvanostatic electrochemical anodization technique in a Teflon double-tank cell configuration. Then, tungsten oxide (WO3) thin films were deposited onto the PS surface by using DC reactive magnetron sputtering method. The morphology of PS and WO3/PS were observed by field emission scanning electron microscope...
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