Preparation and characterization of anodized Pt-TiO2 nanotube arrays for water splitting

被引：24
|
作者：
Nam, Wooseok [1 ]
Han, Gui Young [1 ]
机构：
[1] Sungkyunkwan Univ, Dept Chem Engn, Suwon 440746, South Korea
来源：
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN | 2007年 / 40卷 / 03期
关键词：
titanium dioxide; nanotube; hydrogen; photoelectrochemistry;
D O I：
10.1252/jcej.40.266
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Self-organized TiO2 nanotube-layers were formed by the electrochemical anodization of Ti in an HF electrolyte. The nanotube layers were then treated at different temperatures (300-600 degrees C) in the air. Platinum was doped on the TiO2 nanotube layer by e-beam sputtering. The samples were characterized by EDX, BET, XPS, SEM, XRD and photoelectrochemistry. The results clearly showed the successful Pt-doping of the TiO2 nanotubes. The photocatalytic evolution of H-2 due to the decomposition of water in the alkaline solution was investigated using the Pt-TiO2. nanotubes as a photocatalyst and iodide ions in the form of KI as a redox mediator. The results showed that the Pt-TiO2 nanotube photocatalyst generated H. successfully.
引用
收藏
页码：266 / 269
页数：4
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