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) Electrical resistance changes of the sensor based on 400-°C annealed WO₃ nanorods as a function of time for five cycles at room temperature with 1 ppm of NO₂.