Room temperature NO<sub>2</sub>-sensing properties of hexagonal tungsten oxide nanorods

Room temperature NO₂-sensing properties of hexagonal tungsten oxide nanorods

Wu Yaqiao^{1, 2}, Hu Ming^{1, †}, Tian Yuming²

(color online) Dynamic responses of the gas sensors based on the WO₃ nanorods annealed at (a) 300 °C, (b) 400 °C, and (c) 500 °C to varying NO₂ concentration at room temperature. (d) Relationship between the responses and NO₂ concentration for the sensors based on annealed tungsten WO₃ nanorods at room temperature.