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Nanostructuring of carbon materials by means of a calcium phosphate template

机译：磷酸盐钙模板碳材料纳米结构

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摘要

Nanostructured porous carbon powders were elaborated by means of a hard-template approach, using environmentally friendly materials such as sucrose and Ca-3(PO4)(2) tricalcium phosphate hydrate as carbon and template sources, respectively. While the naturally occurring carbohydrate is widely used for carbon materials synthesis, the tricalcium phosphate was never suggested as template despite its efficiency as shown in the present study. The resulting carbon materials were characterized by elemental analysis, Raman spectroscopy, nitrogen adsorption and electron microscopies. Porous carbon powders with disordered hierarchical porous structure, exhibiting tunable textural properties (specific surface areas, pore volume...), were thus synthesized. For instance, with a template/carbon precursor weight ratio of 1, the specific surface area and pore volume were significantly increased compared to the counterpart which was elaborated without a Ca-3(PO4)(2) template. The ease of implementation coupled to the low cost of different reagents make the present process potentially competitive for synthesizing porous carbon powders.
机译：通过硬模板方法阐述纳米结构多孔碳粉粉末，使用诸如蔗糖和Ca-3（PO4）（2）磷酸钙作为碳和模板来源的蔗糖和Ca-3（PO4）（2）磷酸钙水合物。虽然天然存在的碳水化合物广泛用于碳材料合成，但尽管其效率如本研究所示，但磷酸钙从未提出作为模板。通过元素分析，拉曼光谱，氮吸附和电子显微镜表征得到的碳材料。由此合成具有含有无序分层多孔结构的多孔碳粉，具有可调谐纹理性质（比表​​面积，孔体积......）。例如，通过模板/碳前体重量比为1，与没有Ca-3（PO4）（2）模板的对应物相比，比对应于对应物显着提高了比表面积和孔体积显着增加。耦合到不同试剂的低成本的易于实现使本发明的过程可能具有合成多孔碳粉末的竞争性。

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  • 来源
    《Journal of porous materials》 |2019年第3期|747-754|共8页
  • 作者

    Gibot P.; Schnell F.; Schaefer M.; Spitzer D.;

  • 作者单位

    UNISTRA ISL CNRS Inst Francoallemand Rech St Louis ISL UMR 3208 Lab Nanomat Syst Sollicitat Extremes NS3 5 Rue Gen Cassagnou BP 70034 F-68301 St Louis France;

    UNISTRA ISL CNRS Inst Francoallemand Rech St Louis ISL UMR 3208 Lab Nanomat Syst Sollicitat Extremes NS3 5 Rue Gen Cassagnou BP 70034 F-68301 St Louis France;

    UNISTRA ISL CNRS Inst Francoallemand Rech St Louis ISL UMR 3208 Lab Nanomat Syst Sollicitat Extremes NS3 5 Rue Gen Cassagnou BP 70034 F-68301 St Louis France;

    UNISTRA ISL CNRS Inst Francoallemand Rech St Louis ISL UMR 3208 Lab Nanomat Syst Sollicitat Extremes NS3 5 Rue Gen Cassagnou BP 70034 F-68301 St Louis France;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Carbon; Ca-3(PO4)(2); Template; Nanostructuring; Textural properties;

    机译：碳;Ca-3（PO4）（2）;模板;纳米结构;纹理性质;

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