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Electrodeposition of metals from supercritical fluids

机译:超临界流体中的金属电沉积

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摘要

Electrodeposition is a widely used materials-deposition technology with a number of unique features, in particular, the efficient use of starting materials, conformal, and directed coating. The properties of the solvent medium for electrodeposition are critical to the technique's applicability. Supercritical fluids are unique solvents which give a wide range of advantages for chemistry in general, and materials processing in particular. However, a widely applicable approach to electrodeposition from supercritical fluids has not yet been developed. We present here a method that allows electrodeposition of a range of metals from supercritical carbon dioxide, using acetonitrile as a co-solvent and supercritical diflu-oromethane. This method is based on a careful selection of reagent and supporting electrolyte. There are no obvious barriers preventing this method being applied to deposit a range of materials from many different supercritical fluids. We present the deposition of 3-nm diameter nanowires in mesoporous silica templates using this methodology.
机译:电沉积是一种广泛使用的材料沉积技术,具有许多独特的功能,尤其是有效使用起始材料,保形涂层和定向涂层。用于电沉积的溶剂介质的特性对于该技术的适用性至关重要。超临界流体是独特的溶剂,通常为化学,尤其是材料加工提供广泛的优势。但是,尚未开发出可广泛应用的从超临界流体进行电沉积的方法。我们在这里提出一种方法,该方法允许使用乙腈作为助溶剂和超临界二氟口甲烷对超临界二氧化碳中的多种金属进行电沉积。该方法基于对试剂和支持电解质的仔细选择。没有明显的障碍可以阻止该方法从许多不同的超临界流体中沉积多种材料。我们提出使用这种方法在中孔二氧化硅模板中沉积3纳米直径的纳米线。

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  • 作者单位

    School of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    School of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    School of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    School of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry and Astronomy and Physics , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry and Astronomy and Physics , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Schools of Chemistry and Astronomy and Physics , University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, United Kingdom;

    Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, United Kingdom;

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

    electrochemistry; nanomaterials;

    机译:电化学纳米材料;

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