Cui Xiaoli, Gu Haijie, Lu Jun, Shen Jie, Zhang Zhuangjian
Department of Materials Science, Fudan University, Shanghai 200433, China.
J Nanosci Nanotechnol. 2007 Sep;7(9):3140-5. doi: 10.1166/jnn.2007.803.
In this paper, nanostructured carbon-doped titanium dioxide (TiO(2-x)Cx) has been fabricated from titanium carbide (TiC) thin film using electrochemical anodization in a solution containing fluorine ion. The resulting samples were characterized via scanning electron microscopy (SEM), energy dispersive X-ray (EDX) analysis, X-ray diffraction (XRD), and photoelectrochemistry. The SEM images and EDX analysis indicated that a nanostructured thin film of carbon-doped titanium dioxide had been formed. The XRD pattern showed the structural change from TiC to anatase type TiO2 after annealing. A series of photoelectrochemical measurement showed an increase in photovoltage and in photocurrent for the electrode of anodized TiC sample. The results demonstrated the feasibility to process carbon doped nanostructured TiO2 through anodization promising for applications in high efficient photoelectrochemical conversion.
在本文中，通过在含氟离子的溶液中进行电化学阳极氧化，由碳化钛（TiC）薄膜制备了纳米结构的碳掺杂二氧化钛（TiO(2-x)Cx）。通过扫描电子显微镜（SEM）、能量色散X射线（EDX）分析、X射线衍射（XRD）和光电化学对所得样品进行了表征。SEM图像和EDX分析表明，已形成了碳掺杂二氧化钛的纳米结构薄膜。XRD图谱显示退火后结构从TiC转变为锐钛矿型TiO2。一系列光电化学测量表明，阳极氧化TiC样品电极的光电压和光电流有所增加。结果证明了通过阳极氧化制备碳掺杂纳米结构TiO2的可行性，这有望应用于高效光电化学转换。
