利用计时电流法制备了纳米金属Zn/TiO2纳米管 (Zn/TNT) 复合电极,采用场发射扫描电子显微镜(SEM)和X射线衍射仪(XRD)对纳米管形貌和结构进行了表征,通过Mott-Schottky分析法研究了复合电极的载流子浓度与平带电势的变化.结果表明,Zn负载促使纳米管平带电势负移,适量Zn沉积可以提高载流子浓度,而在160W高压汞灯光照条件下,Zn/TNT光电流响应亦明显优于TNT.
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