Research Progress in Formation Mechanism of TiO2 Nanotubes and Nanopores in Porous Anodic Oxide
Zhu Xu-Fei1; Han Hua2; Song Ye1; Duan Wen-Qiang2
2012-06-01
发表期刊ACTA PHYSICO-CHIMICA SINICA
卷号28期号:6页码:1291-1305
文章类型Review
摘要Self-ordered porous anodic TiO2 nanotubes and other porous anodic oxides (PAO) have received considerable attention because of their potential for high technological application in a number of fields. The anodization of valve metals has been widely investigated over the last eight decades. The formation mechanisms of hexagonal cells and nanotubes, however, have remained unclear until now. Simply reviewing the mechanisms of PAO formation was not the aim of this research and we were more interested in reviewing the forming processes of compact anodic oxides (CAO) and investigating the relationship between the PAO and CAO, to better understand the pore generating mechanisms. The present work introduces the differences between PAO and CAO films, as well as reviewing the traditional theories of PAO films and their deficiencies. Recent progress in the formation mechanism of PAO, including the viscous flow, breakdown, equifield strength, and oxygen bubbles models has been reviewed in detail. The perspective on future developments for the PAO forming mechanism has been tentatively discussed. Based on sufficient analysis of the latest findings, it has been proposed that several approaches may be employed for investigating the pore forming and self-ordering mechanisms. These new approaches include ultrasound-assisted anodizing, anodizing under vacuum or high pressure and adding sodium carbonate or a reducing agent to the PAO-forming electrolytes. An investigation of changes in the current and anodizing efficiencies would also be an effective approach for better understanding the physical nature of field-assisted dissolution (FAD).
关键词Compact Anodic Oxide Porous Anodic Oxide Formation Mechanism Anodization Self-ordering
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]LIQUID-BASED ELECTROLYTES ; HEXAGONAL PORE ARRAYS ; ALUMINUM-OXIDE ; OXYGEN BUBBLES ; PULSE ANODIZATION ; FIELD ANODIZATION ; ACID ELECTROLYTE ; GROWTH-MECHANISM ; FILMS ; FABRICATION
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Physical
WOS记录号WOS:000305035700002
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/7998
专题国家专用集成电路设计工程技术研究中心
作者单位1.Nanjing Univ Sci & Technol, Educ Minist, Key Lab Soft Chem & Funct Mat, Nanjing 210094, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Automat, Natl Engn & Technol Res Ctr ASIC Design, Beijing 100190, Peoples R China
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Zhu Xu-Fei,Han Hua,Song Ye,et al. Research Progress in Formation Mechanism of TiO2 Nanotubes and Nanopores in Porous Anodic Oxide[J]. ACTA PHYSICO-CHIMICA SINICA,2012,28(6):1291-1305.
APA Zhu Xu-Fei,Han Hua,Song Ye,&Duan Wen-Qiang.(2012).Research Progress in Formation Mechanism of TiO2 Nanotubes and Nanopores in Porous Anodic Oxide.ACTA PHYSICO-CHIMICA SINICA,28(6),1291-1305.
MLA Zhu Xu-Fei,et al."Research Progress in Formation Mechanism of TiO2 Nanotubes and Nanopores in Porous Anodic Oxide".ACTA PHYSICO-CHIMICA SINICA 28.6(2012):1291-1305.
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