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Conductivity of Porous Phosphate-Silicate Glass Synthesized with Non-Ionic Surfactant

机译:用非离子表面活性剂合成多孔磷酸硅酸盐玻璃的电导率

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摘要

Porous, phosphate-silicate glass with high-conductivity and nano-size pores was synthesized through a xero-gel route, using non-ionic surfactant polyethylene glycol monocetyl ether (Brij 56) to control pore size. The influences of Brij 56 concentration on pore size and conductivity under different humidity were studied by measuring conductivity and calculating the volume ratio of adsorbed-water to pore volume. Samples prepared with 0.1 wt% Brij 56 had 5.2 nm pore size, 0.91 volume ratio, and narrower pore size distribution than other samples. The nano-size pores were filled with water, which in pores of 5.2 nm is mostly chemically bonded with the hydroxyl groups on the pore surfaces, resulting in higher conductivity than other samples in high relative humidity (over 55%).
机译:通过Xero-凝胶途径合成具有高导电率和纳米尺寸孔的多孔磷酸硅酸盐玻璃,使用非离子表面活性剂聚乙二醇单甲醚(Brij 56)来控制孔径。通过测量导电性并计算吸附水与孔体积的体积比,研究了Brij 56浓度对不同湿度下不同湿度下的孔径和电导率的影响。用0.1wt%Brij 56制备的样品具有5.2nm的孔径,0.91体积比和比其他样品更窄的孔径分布。纳米尺寸的孔用水填充,在5.2nm的孔中,在孔表面上的羟基上大多化学键合,导致比具有高相对湿度的其他样品更高的导电性(超过55%)。

著录项

  • 来源
    《Journal of nano research》 |2019年第2019期|118-124|共7页
  • 作者单位

    Henan Univ Urban Construct Dept Civil & Mat Engn Mingyue Rd Pingdingshan 467036 Henan Peoples R China;

    Henan Univ Urban Construct Dept Civil & Mat Engn Mingyue Rd Pingdingshan 467036 Henan Peoples R China;

    Henan Univ Urban Construct Dept Civil & Mat Engn Mingyue Rd Pingdingshan 467036 Henan Peoples R China;

    Henan Univ Urban Construct Dept Civil & Mat Engn Mingyue Rd Pingdingshan 467036 Henan Peoples R China;

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

    Xero-gel; Phosphate-silicate; Nano-size; Conductivity; Porous;

    机译:Xero-凝胶;磷酸盐 - 硅酸盐;纳米大小;电导率;多孔;

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