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高温高压下C3N6H6分解产物的研究

DOI: 10.11858/gywlxb.2004.03.005, PP. 220-224

Keywords: 碳氮晶体,高温高压,C3N6H6,键合状态

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Abstract:

采用高温高压方法分解缩聚三聚氰胺(C3N6H6),得到一种棕黑色粉末。经过X射线粉末衍射分析,产物主要由未完全分解的原料、碳和分解过程中的过渡相组成。透射电镜观察结果显示,过渡相在某一方向具有长周期结构;在扫描电镜下观察形貌,产物为片状组织,且其中有少量气孔;X射线能散结果表明,C∶N≈3.27∶1(原子比);此外,进行了红外吸收谱和X射线光电子能谱测试,产物主要键合状态是C(sp2)=N和C(sp2)—N。

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