Synthesis of fast response, highly sensitive and selective Ni:ZnO based NO2 sensor
Chemical Engineering Journal（2016）
Abstract
•Effect of Ni doping on physicochemical and gas sensing properties is investigated.•Hybrid structure containing nanograined rods and hexagonal flakes is observed.•1.5at% Ni doped ZnO film detects 5ppm NO2 concentration at 200°C.•NZO thin films are suitable for selective and fast detection of NO2.
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Key words
Ni doped ZnO,NO2 sensor,Selectivity,Sensitivity,Gas sensing: HRTEM
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