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A freestanding membrane of highly ordered anodic Zr02 nanotube arrays

机译：高序阳极Zr02纳米管阵列的独立膜

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This paper demonstrates the formation of self-organized and highly ordered zirconium oxide (Zr0_2) nanotubes via an electrochemical anodization with an electropolished zirconium (Zr) substrate in nonaqueous electrolytes (i.e. an ethylene glycol solution containing a small amount of ammonium fluoride (0.38 wt% NH_4F) and 1.79 wt% H_20). Compared with aqueous electrolytes, nanotubes with much smoother wall surfaces were grown in nonaqueous electrolytes. In addition, highly regular arrays of anodic Zr0_2 nanotubes were achieved with an electropolished Zr substrate which guaranteed the uniform growth rate of oxide nanotubes on the underlying flat metal surface. A freestanding Zr0_2 membrane was produced through the detachment of the existing self-organized Zr0_2 nanotubular layer from the underlying remaining-Zr metal by applying a reverse-bias voltage to it.
机译：本文证明了通过在非水电解质（即，乙二醇溶液中含有少量氟化铵（0.38 wt％）的电抛光锆（Zr）基底进行电化学抛光，通过电化学阳极氧化形成自组织且高度有序的氧化锆（Zr0_2）纳米管的过程。 NH_4F）和1.79 wt％H_20）。与水性电解质相比，在非水性电解质中生长了具有光滑得多壁面的纳米管。另外，用电抛光的Zr基板可以得到高度规则的阳极Zr0_2纳米管阵列，从而保证了下层金属表面上氧化物纳米管的均匀生长速率。通过向其施加反向偏置电压，将现有的自组织Zr0_2纳米管层与下面的残留Zr金属分离，可以生产出独立的Zr0_2膜。

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