河海大学
蒙纳士大学
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| Transition metal oxide nanoparticles have great potential in environmentally and energy-related applications because of their various electronegativity and unique lattice structures. The dispersible functional nanoparticles could extremely increase the performance of the functional materials. Transition metal oxides have the complex valence state and various electronegativity, endowing them with unique properties for specific application. Unlike their traditional counterparts that passively provide invariable functions, they can actively sense and consequently respond to a stimulus in their environment in a manner that is noticeable, controllable, predictable and predetermined.The tungsten oxide and vanadium oxide have gain great interest during the last decades. Their controllable nanostructures provide them great potential in environmentally and energy-related applications. A scale-up method to produce monodispersed m-VO2 nanoparticles with controlled phase transition temperature was promoted. The findings in catalyst ammonia help us improve the productivity of m-VO2 over 20 times than lab scale. The continuous hydrothermal reaction allowed the excess feeding of raw materials, extremely increased the cost- and time- efficiency of the m-VO2 production. And is of great importance to analogous materials. The pre-treatment method used to control the oxygen defects decreased the phase transition temperature to room temperature. The applied dispersion strategy achieved the effective monodisperse of the nanoparticle, and the resulted coating achieved a ΔTsol 11% at the visible light transmittance up to 85%. |
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