High-performance NO2 gas sensor based on ZnO nanorod grown by ultrasonic irradiation
作者： Eugene Oh , Ho-Yun Choi , Seung-Ho Jung , Seungho Cho , Jae Chang Kim
DOI: 10.1016/J.SNB.2009.06.031
关键词:
摘要: Abstract A facile and fast sonochemical route for the fabrication of a resistive-type ZnO gas sensor has been demonstrated. Vertically aligned nanorod arrays were grown on Pt-electrode patterned alumina substrate under ambient conditions. The average diameter length nanorods 50 500 nm, respectively. Sonochemically was highly sensitive to NO2 with very low detection limit 10 ppb at 250 °C; further, its response recovery time short. Considering advantageous properties this technique, we believe that it can be used fabricate high-performance sensors.
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