Different concentrations of Ag-doped ZnO micro-nano fiber ultraviolet sensors were successfully prepared by hydrothermal method. The effects of different concentrations of Ag on the sensitivity of ultraviolet sensors are further investigated. The results show that the sensitivity of the sensor is improved after doping the Ag. And Ag-doped ZnO with 4% concentration ultraviolet sensor exhibits a higher sensitivity. Therefore, the effects of different tapered waist diameters on the sensitivity of Ag-doped ZnO with 4% ultraviolet sensors are further studied. The experimental results indicate that the sensitivity of the ultraviolet sensor increases as the taper waist diameter decreases from 6.92 μm to 3.06 μm. The 4% concentration of Ag-doped ZnO ultraviolet sensor whose tapered waist diameter of 3.06 μm is more sensitive. The work is meaningful, and the new all-fiber composite structure Ag-doped ZnO ultraviolet sensor proposed by us can provide a better solution for ultraviolet detection as well.

通过水热法成功制备了不同浓度的Ag掺杂ZnO微纳米纤维紫外传感器。进一步研究了不同浓度的银对紫外线传感器灵敏度的影响。结果表明，掺杂Ag后，传感器的灵敏度得到提高。掺银浓度为4％的紫外传感器具有较高的灵敏度。因此，进一步研究了不同的锥形腰围直径对含4％紫外线传感器的Ag掺杂ZnO灵敏度的影响。实验结果表明，随着锥形腰部直径从6.92μm减小到3.06μm，紫外线传感器的灵敏度增加。浓度为4％的Ag掺杂的ZnO紫外线传感器的锥形腰部直径为3.06μm时更为敏感。这项工作很有意义，