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首页> 外文期刊>Materials Chemistry and Physics >Preparation Of Carbon Nitride Materials By Polycondensation Of The Single-source Precursor Aminodichlorotriazine (adct)
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Preparation Of Carbon Nitride Materials By Polycondensation Of The Single-source Precursor Aminodichlorotriazine (adct)

机译:单源前体氨基二氯三嗪(adct)的缩聚反应制备氮化碳材料

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摘要

Carbon nitride, usually described as C_3N_4 or CN_x (x>1), has been reported to form disordered network structures. In this work we describe a new synthesis route using 2-amino-4,6-dichloro-s-triazine (ADCT) as a single-source precursor, adopting single step and two step decompositions. During two step polycondensation ADCT is first heated in a closed system and than fully condensed under vacuum. Our reactions yielded carbon nitride materials having compositions near C_3N_4. The obtained carbon nitride occurs as a brown, amorphous solid according to X-ray and electron diffraction experiments. Moreover, infrared spectra and results from ~(13)C-NMR measurements indicate evidence for the presence of bridged heptazine and triazine units in the structure.
机译:氮化碳通常被描述为C_3N_4或CN_x(x> 1),据报道会形成无序的网络结构。在这项工作中,我们描述了一种使用2-氨基-4,6-二氯-s-三嗪(ADCT)作为单一来源前体的新合成路线,该方法采用了一步分解和两步分解的方法。在两步缩聚过程中,首先将ADCT在密闭系统中加热,然后在真空下完全冷凝。我们的反应产生了具有接近C_3N_4的组成的氮化碳材料。根据X射线和电子衍射实验,获得的氮化碳以棕色无定形固体形式存在。此外,红外光谱和〜(13)C-NMR测量结果表明在结构中存在桥接的庚嗪和三嗪单元的证据。

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