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- 2017
紫外光驱动微纳结构薄膜的气敏特性研究
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Abstract:
采用基于有机模板的溶液浸渍-无损转移法制备ZnO微纳多孔有序薄膜，研究了在不同紫外光强度照射下和不同尺寸孔径的ZnO微纳多孔有序薄膜对NO2气敏性能的影响。结果表明，以500 nm聚苯乙烯（PS）球为模板制备的ZnO微纳多孔薄膜传感器，在0.35 mW/cm3紫外光照射下具有较高的灵敏度、较快的响应和恢复时间。随着紫外光强度的增强和孔径尺寸的增大， ZnO微纳多孔薄膜传感器的灵敏度降低；且在紫外光照射下ZnO微纳有序多孔薄膜对乙醇、甲醛、H2S、SO2和CH4等气体具有很好的选择性。
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