Influence of Reducer on the Nanopore Structure of Porous Anodic Alumina
Zhu Xu-Fei1; Han Hua2; Ma Hong-Tu2; Lu Chao1; Qi Wei-Xing1; Xu Chen1
2012-11-01
发表期刊ACTA PHYSICO-CHIMICA SINICA
卷号28期号:11页码:2648-2658
文章类型Article
摘要In recent years, attention has been focused on adjustment and control of the nanostructures of porous anodic alumina (PAA) and porous anodic TiO2 nanotubes (PATNT). Because the formation mechanism of PAA and PATNT is still unclear, it is difficult to adjust the nanostructures of PAA and PATNT. To validate the novel viewpoint of the nanopore resulting from an oxygen bubble mold, an innovative chemical approach was used to adjust the PAA nanostructures. One successful approach is to use a reducer to absorb the oxygen bubbles in the nanopores. A novel anodic alumina film was obtained in a mixed solution of the reducer and oxalic acid. The influence of the reducer on the PAA nanostructures which formed in H3PO4 solution was investigated in detail. The experimental results showed that the regularity and the diameters of the nanopores in the PAA decreased as the reducer content increased. The differences in the voltage-time curves between electrolytes with and without the reducer were analyzed quantitatively. The results showed that the conductivity of the anodic oxide film that formed in the electrolyte with the reducer was better than that in the electrolyte without the reducer. When aluminum anodizes in a sealed case, oxygen bubbles are easily absorbed by the reducer, the oxygen bubble mold effect disappears, and a compact alumina film is obtained. Overall, these results clearly demonstrate that nanopores result from the oxygen bubble mold effect.
关键词Nanoporous Material Anodization Electrolyte Reducer Formation Mechanism
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]TIO2 NANOTUBE ARRAYS ; FORMATION MECHANISM ; PULSE ANODIZATION ; HARD ANODIZATION ; NANOWIRE ARRAYS ; OXIDE ; FABRICATION ; MEMBRANES ; GROWTH ; FILMS
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:000311597200018
引用统计
被引频次:2[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/173211/8001
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, Minist Educ, Key Lab Soft Chem & Funct Mat, Nanjing 210094, 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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GB/T 7714
Zhu Xu-Fei,Han Hua,Ma Hong-Tu,et al. Influence of Reducer on the Nanopore Structure of Porous Anodic Alumina[J]. ACTA PHYSICO-CHIMICA SINICA,2012,28(11):2648-2658.
APA Zhu Xu-Fei,Han Hua,Ma Hong-Tu,Lu Chao,Qi Wei-Xing,&Xu Chen.(2012).Influence of Reducer on the Nanopore Structure of Porous Anodic Alumina.ACTA PHYSICO-CHIMICA SINICA,28(11),2648-2658.
MLA Zhu Xu-Fei,et al."Influence of Reducer on the Nanopore Structure of Porous Anodic Alumina".ACTA PHYSICO-CHIMICA SINICA 28.11(2012):2648-2658.
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