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Advances in application of ionic liquids: fabrication of surface nanoscale oxide structures by anodization of metals and alloys
Surfaces and Interfaces ( IF 6.2 ) Pub Date : 2022-09-15 , DOI: 10.1016/j.surfin.2022.102345
Olga Lebedeva , Dmitry Kultin , Alexandre Zakharov , Leonid Кustov

The use of ionic liquids (ILs) for the known processes for providing the targeted fabrication of the products with the required characteristics is discussed. The advantages of ILs over aqueous solutions of mineral acids in the presence of aggressive fluoride ions are considered by using the examples of anodizing, which leads to a change in the structure of the metal surface. The methods of production of oxide nanoscale dimples, tubes, cells, rods are summarized. Electrochemical finishing of metals and alloys in deep eutectic solvents (DES) and ILs was shown to allow one to obtain new nanoscale structures that are not formed in aqueous acid solutions. The conditions for the formation of unusual nanoscale TiO2 double-wall tubes by anodizing of Ti in ILs are described. The role of the anion and cation nature of IL in the formation of self-ordered nanoscale surface structures is discussed.



中文翻译:

离子液体应用进展:金属及合金阳极氧化制备表面纳米级氧化物结构

讨论了离子液体 (IL) 在已知工艺中的使用,以提供具有所需特性的产品的目标制造。通过使用导致金属表面结构发生变化的阳极氧化的例子,考虑了在存在腐蚀性氟离子的情况下,离子液体相对于无机酸水溶液的优势。概述了氧化物纳米级凹坑、管、细胞、棒的生产方法。在深共晶溶剂 (DES) 和 ILs 中对金属和合金进行电化学精加工表明可以获得新的纳米级结构,而这些结构不会在酸性水溶液中形成。异常纳米级TiO 2的形成条件描述了通过在 ILs 中对 Ti 进行阳极氧化的双壁管。讨论了离子液体的阴离子和阳离子性质在自有序纳米级表面结构形成中的作用。

更新日期:2022-09-20
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