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Mesoporous, 2D Hexagonal Carbon Nitride and Titanium Nitride/Carbon Composites

机译：介孔，二维六方氮化碳和氮化钛/碳复合材料

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摘要

Carbon and metal nitrides are appealing classes of materials, as their properties can complement carbon, on the one hand, and metal oxides, on the other, in a variety of applications. A larger number of reports in the literature concern the synthesis of different modifications of carbon nitrides, while at ambient conditions graphitic-C_3N_4 (g-C_3N_4) is regarded to be the most stable allotrope. The bulk-material synthesis of g-C_3N_4 generally includes pyrolysis of nitrogen-rich precursors, often incorporating triazine rings or generating them during synthesis. Kroke et al. proposed that g-C_3N_4 consists of sheets of ordered tri-s-triazine moieties connected through planar tertiary amino groups. However, it was also shown that the bulk reaction most likely does not proceed significantly past the polymeric form due to incomplete condensation or polymerization in the bulk. Just recently, the salt-melt-supported synthesis has been shown to produce nearly pure C_3N_4 material.
机译：碳和金属氮化物是有吸引力的材料类别，因为它们的特性一方面可以与碳互补，另一方面可以在各种应用中与金属氧化物互补。文献中有大量报告涉及氮化碳的不同修饰形式的合成，而在环境条件下，石墨-C_3N_4（g-C_3N_4）被认为是最稳定的同素异形体。 g-C_3N_4的本体合成通常包括富氮前体的热解，通常并入三嗪环或在合成过程中生成三嗪环。克鲁克等。提出g-C_3N_4由通过平面叔氨基连接的有序三-s-三嗪部分薄片组成。但是，还表明由于本体中的不完全缩合或聚合，本体反应很可能不会明显超过聚合物形式进行。就在最近，盐熔支持的合成已显示出可生产近乎纯净的C_3N_4材料。

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  • 来源
    《Advanced Materials》 |2009年第42期|4270-4274|共5页
  • 作者

    Young-Si Jun; Won Hi Hong; Markus Antonietti; Arne Thomas;

  • 作者单位

    Department of Chemical and Biomolecular Engineering Korea Advanced Institute of Science and Technology Daejeon 305-701 (Republic of Korea);

    Department of Chemical and Biomolecular Engineering Korea Advanced Institute of Science and Technology Daejeon 305-701 (Republic of Korea);

    Department of Colloid Chemistry Max-Planck-Institute of Colloids and Interfaces Research Campus Golm 14424 Potsdam (Germany);

    Department of Colloid Chemistry Max-Planck-Institute of Colloids and Interfaces Research Campus Golm 14424 Potsdam (Germany);

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