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An electrochemistry assisted approach for fast, low-cost and gram-scale synthesis of mesoporous silica nanoparticles

机译:用于快速,低成本和革兰氏型介孔二氧化硅纳米粒子的电化学辅助方法

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摘要

We report a facile electrochemistry assisted sol-gel approach for the preparation of mesoporous silica nanoparticles (MSNs) at the gram scale on common conductive substrates, such as the stainless steel surface. The formation of MSNs was triggered by electrochemical generation of hydroxide at the substrate/solution interface, which induced the self-assembly of surfactant micelles and meanwhile catalysed the polycondensation of silica precursors. The as-prepared MSNs were characterized in detail by several instrumental analysis techniques, revealing the obtained MSNs have a uniform pore size of about 2.4 nm and a high surface area of about 1164 m(2) g(-1). We believe that this approach can provide a simple, fast and low-cost way to produce MSNs and may be potentially useful for the large-scale industrial production.
机译:我们报告了一种容易的电化学辅助溶胶 - 凝胶 - 在克克拉尺度上制备诸如不锈钢表面的克克拉尺度的介孔二氧化硅纳米颗粒(MSN)。 通过基材/溶液界面处的氢氧化物的电化学产生触发MSN的形成,该电化学产生诱导表面活性剂胶束的自组装,同时催化二氧化硅前体的缩聚。 通过几种乐器分析技术详细描述了所制备的MSN,揭示所获得的MSN具有约2.4nm的均匀孔径和约1164m(2)g(-1)的高表面积。 我们认为,这种方法可以提供一种简单,快速和低成本的方式来生产MSN,可能对大规模的工业生产可能是有用的。

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  • 来源
    《RSC Advances》 |2015年第81期|共5页
  • 作者

    Ding Longhua; Su Bin;

  • 作者单位

    Zhejiang Univ Dept Chem Inst Microanalyt Syst Hangzhou 310058 Zhejiang Peoples R China;

    Zhejiang Univ Dept Chem Inst Microanalyt Syst Hangzhou 310058 Zhejiang Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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