Double-layer honeycomb structure of 4-dodecylbenzenesulfonic acid(DBSA)-doped polyaniline(PANI) is fabricated in the humidity atmosphere by self-assembly method. The driving force of this procedure is capillary force(...Double-layer honeycomb structure of 4-dodecylbenzenesulfonic acid(DBSA)-doped polyaniline(PANI) is fabricated in the humidity atmosphere by self-assembly method. The driving force of this procedure is capillary force(self-assembly) and the water droplet plays the role as template.The morphology and electric property are studied by atomic force microscope and this honeycomb structure is proved to be electro-active. Additionally, the double layer′s formation mechanism is proposed in the systems while the density of organic solvents is higher than that of water.展开更多
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NO_2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...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NO_2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 m W/cm^3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、H_2S、SO_2和CH_4等气体具有很好的选择性。展开更多
文摘Double-layer honeycomb structure of 4-dodecylbenzenesulfonic acid(DBSA)-doped polyaniline(PANI) is fabricated in the humidity atmosphere by self-assembly method. The driving force of this procedure is capillary force(self-assembly) and the water droplet plays the role as template.The morphology and electric property are studied by atomic force microscope and this honeycomb structure is proved to be electro-active. Additionally, the double layer′s formation mechanism is proposed in the systems while the density of organic solvents is higher than that of water.
文摘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NO_2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 m W/cm^3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、H_2S、SO_2和CH_4等气体具有很好的选择性。