%0 Journal Article %T The NO2 sensing ITO thin films prepared by ultrasonic spray pyrolysis %A Zheng Jiao %A Minghong Wu %A Zheng Qin %A Minghua Lu %A Jianzhong Gu %J Sensors %D 2003 %I MDPI AG %R 10.3390/s30800285 %X In this paper ITO thin films were deposited on alumina substrates by ultrasonic spray pyrolysis. The NO2 sensing properties of ITO thin films were investigated. The results show ITO thin films have good sensitivity to nitrogen dioxide. %K Thin film %K spray pyrolysis %K Gas sensor %K ITO %U http://www.mdpi.com/1424-8220/3/8/285