Fig. 1. Schematic diagram of the experimental system

Fig. 2. Schematic diagram of the three-electrode configurations

Fig. 3. Output voltage waveforms of high-voltage pulse power supply

Fig. 4. Discharge images of different electrode structures

Fig. 5. Voltage current waveform of DBD discharge under different electrode structures

Fig. 6. Discharge current comparison between double-electrode and three-electrode DBDs

Fig. 7. Discharge power of DBD under different positive voltage with different structures

Fig. 8. Discharge power of DBD under different negative voltage with different structures

Fig. 9. Emission spectra under different electrode structures