详细调研了新型TiO2纳米管在国内外的研究现状，根据阳极氧化法制备纳米管的电解液成分发展历程，重点介绍了在不同电解液体系中制备TiO2纳米管阵列的具体条件，并对其所生成TiO2纳米管的形貌和结构进行了比较。同时详细叙述了TiO2纳米管在染料敏化太阳能电池、光催化剂、传感器、超级电容器等领域的应用情况，并针对TiO2纳米管带隙窄、光催化率低等问题，通过改变制备条件、贵金属沉积、复合半导体、离子掺杂等方法对TiO2纳米管进行改性，提高TiO2纳米管性能。介绍了其在相应领域改性的研究进展。研究表明，经过修饰的TiO2纳米管，其光电特性、催化特性、传感特性及灵敏度和稳定性等都得到了一定的改善。最后提出了目前存在的问题，展望了TiO2纳米管应用的发展趋势。
ABSTRACT:In this review, we investigated the current research status of the novel TiO2 nanotubes in China and other countries. According to the development history of electrolyte components for nanotube preparation using anodic oxidation method, the specific conditions for preparation of TiO2 nanotube arrays in different electrolytes were introduced in details, and the morphology and struc-ture of the TiO2 nanotubes prepared were comparatively studied. Meanwhile, we summarized in detail the applications of TiO2 nano-tubes in Dye-sensitized solar cells, photocatalysts, sensors and super capacitors, etc. We also introduced the modification research progress in the fields aiming at the narrow band gap and low photocatalytic rate of TiO2 nanotubes. The modification methods in-clude changing preparation conditions, deposition of noble metals, compound semiconductor, ion doping and so on. The research shows that the photoelectric characteristics, catalytic properties, sensing characteristics and sensitivity and stability of the modified TiO2 nanotubes have been improved. Finally, we presented the main problems and the development trend for the application of TiO2 nanotubes.
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