摘要
As far as we known, with white powdery tungstic acid （WPTA） used as the dopant for the first time, tungsten-doped vanadium dioxide （VO2） nanopowders were synthesized through thermolysis at low temperature. The products were characterized by XRD, TEM and DSC. When WPTA was added into V205 （with W/V = 2 atom %）, the phase transition temperature （Tc） of VO2 decreased markedly from 67.15℃ to 26.46℃ after annealing at 500℃. Such a low Tc is beneficial to the application and development of smart windows materials.
As far as we known, with white powdery tungstic acid （WPTA） used as the dopant for the first time, tungsten-doped vanadium dioxide （VO2） nanopowders were synthesized through thermolysis at low temperature. The products were characterized by XRD, TEM and DSC. When WPTA was added into V205 （with W/V = 2 atom %）, the phase transition temperature （Tc） of VO2 decreased markedly from 67.15℃ to 26.46℃ after annealing at 500℃. Such a low Tc is beneficial to the application and development of smart windows materials.
