Zhaolin YUAN, Yongwei WU, Luyao YU, Jianfeng HE, Nengchang XU, Xueyuan WANG, Pengfei LU. Fabrications and characteristics of Ga-doped ZnO microrods ultraviolet photodetectors[J]. Optics and Precision Engineering, 2024, 32(5): 643
- Optics and Precision Engineering
- Vol. 32, Issue 5, 643 (2024)
Fig. 1. Schematic diagram of ZnO∶Ga microrods UV photodetector
Fig. 2. XRD patterns of ZnO∶Ga microrods with different Ga doping concentrations
Fig. 3. SEM images of ZnO∶Ga microrods with different Ga doping concentrations and EDS pattern of ZnO∶Ga microrods with 1% Ga doping
Fig. 4. TEM images of ZnO∶Ga microrods with 1% Ga doping
Fig. 5. I -V characteristics of ZnO∶Ga microrods UV photodetectors with different Ga doping concentrations in dark and under UV illumination
Fig. 6. I -t characteristics of ZnO∶Ga microrods UV photoetectors with different Ga doping concentrations by turning on and off UV light periodically
Fig. 7. One typical response-decay period of ZnO∶Ga microrods UV photodetectors with different Ga doping concentrations
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Table 1. Position of 2θ angle of main diffraction peaks for ZnO∶Ga microrods with different Ga doping concentrations
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Table 2. Performance parameters of ZnO∶Ga microrods UV photodetectors with different Ga doping concentrations
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Table 3. Comparison of main performance parameters among 1% Ga-dopted ZnO∶Ga microrods UV photodetector and several metal-doped ZnO UV photodetectors reported in recent works
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