Fabrication, characterization and Raman study of TiO2 nanowire arrays prepared by anodic oxidative hydrolysis of TiCl3
Fabrication, characterization and Raman study of TiO2 nanowire arrays prepared by anodic oxidative hydrolysis of TiCl3
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DOI：
10.1016/s0009-2614(01)00263-9
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发表时间：
2001-04-27
影响因子：
2.8
通讯作者：
Fan, JC
中科院分区：
文献类型：
--
作者：
Lei, Y;Zhang, LD;Fan, JC
利用TiCl3阳极氧化水解法在氧化铝膜中制备了高度有序的二氧化钛纳米线阵列。所制备的二氧化钛纳米线为锐钛矿型多晶相，直径在50 nm左右，由直径约2-4 nm的细小微晶组成。经退火处理后，微晶长大至7 nm左右。室温下，二氧化钛纳米线阵列的拉曼光谱显示出典型的锐钛矿型二氧化钛拉曼光谱，具有明显的展宽和位移。这可以归因于声子大小限制和缺氧性。(C)2001 Elsevier Science B.V.保留所有权利。
Highly ordered TiO2 nanowire arrays were prepared in anodic alumina membranes by anodic oxidative hydrolysis of TiCl3. The TiO2 nanowires are polycrystalline anatase-phase with uniform diameters around 50 nm and are composed of very small crystallites with diameters of about 2-4 nm. After annealing the crystallites grow to about 7 nm in diameters. At room temperature, Raman measurements of the TiO2 nanowire arrays show typical anatase TiO2 Raman spectra with significant broadening: and shift. which can be attributed to phonon size confinement and oxygen deficiency. (C) 2001 Elsevier Science B.V. All rights reserved.