Chuang Li, Wei-Wei Li, Li Cai, Dan Xie, Bao-Jun Liu, Lan Xiang, Xiao-Kuo Yang, Dan-Na Dong, Jia-Hao Liu, Ya-Bo Chen. Flexible nitrogen dioxide gas sensor based on reduced graphene oxide sensing material using silver nanowire electrode [J]. Acta Physica Sinica, 2020, 69(5): 058101-1
- Acta Physica Sinica
- Vol. 69, Issue 5, 058101-1 (2020)
Fig. 1. Schematic diagram of the fabrication process of the AgNWs IDE-rGO device.
Fig. 2. (a) Optical image of the AgNWs IDE array on portable stickers; (b) dimensions of the single electrode structure.
Fig. 3. Schematic illustration of the gas sensing test setup.
Fig. 4. Real-time response curves to 5–50 ppm NO2.
Fig. 5. Plot of response vs. concentration.
Fig. 6. Plot of recovery vs. concentration.
Fig. 7. Repeatability of the sensor after exposure to 15 ppm NO2.
Fig. 8. Response and recovery times of the sensor to 5 ppm NO2.
Fig. 9. Selectivity of the sensor by exposing the device to different target gases.
Fig. 10. Flexibility of the AgNWs IDE-rGO sensor: (a) Device resistance varies with the bending cycles; (b) plot of response vs concentration at the different bending angles.
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