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首页> 外文期刊>Materials Research Bulletin >Fabrication of highly ordered porous anodic alumina films in 0.75 M oxalic acid solution without using nanoimprinting
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Fabrication of highly ordered porous anodic alumina films in 0.75 M oxalic acid solution without using nanoimprinting

机译：在不使用纳米压印的情况下，在0.75 M草酸溶液中制备高度有序的多孔阳极氧化铝膜

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摘要

Porous anodic alumina (PAA) films have received particular attention due to the ordered hexagonal pore array structure. Under conventional mild anodization conditions, however, a very long period of time is needed to prepare the ordered PAA films. Here, we report a high-field anodization process of aluminum in a highly concentrated (0.75 M) oxalic acid solution, where highly ordered PAA films can be fabricated rapidly. Special attention was given to the effects of the purity of aluminum sheets, aluminum substrate grain orientation, anodization time and electrolyte temperature on the ordering quality of the PAA films. For example, a highly ordered PAA film with a thickness of ∼57 μm was prepared conveniently at 50 V for 50 min at 30 °C. The as-prepared PAA film has a self-ordered pore structure with a typical interpore distance of ∼120 nm and a pore diameter of ∼75 nm, which are particularly useful in many applications.
机译：由于有序的六角孔阵列结构，多孔阳极氧化铝（PAA）膜受到了特别的关注。然而，在常规的温和阳极氧化条件下，需要很长时间来制备有序的PAA膜。在这里，我们报告了在高浓度（0.75 M）草酸溶液中对铝进行的高场阳极氧化工艺，其中可以快速制备高度有序的PAA膜。特别注意铝板的纯度，铝基材的晶粒取向，阳极氧化时间和电解质温度对PAA薄膜订购质量的影响。例如，方便地在30°C，50°V和50°min的条件下制备厚度约为57μm的高度有序的PAA膜。所制备的PAA膜具有自定序的孔结构，其典型的孔间距为〜120 nm，孔径为〜75 nm，在许多应用中特别有用。

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  • 来源
    《Materials Research Bulletin》 |2019年第3期|24-33|共10页
  • 作者

    Wenqiang Huang; Mengshi Yu; Shikai Cao; Lizhen Wu; Xiaoping Shen; Ye Song;

  • 作者单位

    Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology;

    Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology;

    Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology|Engineering Training Centre, Nanjing University of Science and Technology;

    Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology;

    Engineering Training Centre, Nanjing University of Science and Technology;

    Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Porous anodic alumina; High-field anodization; Two-step anodization; Self-ordering; Color-coded pattern;

    机译：多孔阳极氧化铝;高场阳极氧化;两步阳极氧化;自定序;色码图案;

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