Fast Growth of Highly Ordered TiO2 Nanotube Arrays on Si Substrate under High-Field Anodization

被引：13

作者：

Song, Jingnan ^{[1
]}

Zheng, Maojun ^{[1
,2
]}

Zhang, Bin ^{[1
]}

Li, Qiang ^{[1
]}

Wang, Faze ^{[1
]}

Ma, Liguo ^{[1
]}

Li, Yanbo ^{[3
]}

Zhu, Changqing ^{[1
]}

Ma, Li ^{[4
]}

Shen, Wenzhong ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Phys & Astron, Key Lab Artificial Struct & Quantum Control, Minist Educ, Shanghai 200240, Peoples R China

[2] Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[3] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 610054, Peoples R China

[4] Shanghai Jiao Tong Univ, Sch Chem & Chem Technol, Shanghai 200240, Peoples R China

来源：

NANO-MICRO LETTERS | 2017年 / 9卷 / 02期

关键词：

TiO2 nanotube arrays; Si substrate; Anodization; High field; Controllable preparation; TITANIUM; OXIDE; MORPHOLOGY; FILM; PARAMETERS; FABRICATION; ANATASE; LENGTH; ALLOY; WATER;

D O I：

10.1007/s40820-016-0114-4

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Highly ordered TiO2 nanotube arrays (NTAs) on Si substrate possess broad applications due to its high surface-to-volume ratio and novel functionalities, however, there are still some challenges on facile synthesis. Here, we report a simple and cost-effective high-field (90-180 V) anodization method to grow highly ordered TiO2 NTAs on Si substrate, and investigate the effect of anodization time, voltage, and fluoride content on the formation of TiO2 NTAs. The current density-time curves, recorded during anodization processes, can be used to determine the optimum anodization time. It is found that the growth rate of TiO2 NTAs is improved significantly under high field, which is nearly 8 times faster than that under low fields (40-60 V). The length and growth rate of the nanotubes are further increased with the increase of fluoride content in the electrolyte.

引用

页数：11

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