Tungsten Oxide Nano Flower Microstructure

The high-resolution TEM images of the tungsten oxide nanoball structures grown at tungsten oxide particles were analyzed at a holding temperature of 800 ° C and a holding time of 15 minutes. The microstructure of tungsten oxide nano flower presents a flower-like structure. The structure of the diameter of 3μm-5μm, tungsten oxide nano flower microstructure has a regular geometry.

Multiple nanorods grow around the tungsten oxide nanocap center, showing a branched structure, forming a nanostructured shell. The nanorods are 1μm-3μm in length and about 200 nm in diameter with many electron transport channels. In the absence of tungsten oxide particles grown on the location of the growth of the nanorods, the place will grow many nanorods, a length of about 1 um, a diameter of about 200 nm. It can be speculated that the two nanorods are synchronous growth.

Therefore, tungsten oxide particles may become the nucleation center, and the nano flower structure is formed by reaction of tungsten oxide particles. If tungsten oxide particles can be controlled in position, tungsten oxide nanoball structures can even be localized by artificially arranging tungsten oxide particles (such as manipulator manipulation, electrophoresis, coating, etc.).

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