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PAn/Pt修饰电极的电色效应及其在滴定分析中的应用 总被引:2,自引:0,他引:2
采用恒电位电解聚合的方法制备了聚苯胺修饰电极(PAn/Pt),循环伏安法分析表明,该电极在无机酸溶液中是电活性的,且随着颜色的变化呈现不同的电位响应,应用于滴定分析中具有灵敏度高、不污染溶液等 特点,是一种有价值的显色指示电极。 相似文献
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TiO2/polyaniline composites: An efficient photocatalyst for the degradation of methylene blue under natural light 总被引:1,自引:0,他引:1
Fang Wang Shi Xiong Min 《中国化学快报》2007,18(10):1273-1277
Polyaniline (PAn) sensitized nanocrystalline TiO_2 composites (TiO_2/PAn) were successfully prepared and used as an efficient photocatalyst for the degradation of dye methylene blue (MB).The results showed that PAn was able to sensitize TiO_2 efficiently and the composite photocatalyst could be activated by absorbing both the ultraviolet and visible light (λ:190~800nm),whereas pure TiO_2 absorbed ultraviolet light only (λ<380nm).Under the irradiation of natural light,MB could be degraded more efficiently on the TiO_2/PAn composites than on the TiO_2.Furthermore,it could be easily separated from the solution by simple sedimentation. 相似文献
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