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

页码：266 / 269

页数：4

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