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Synthesis and characterization of non-crystalline mesoporous silicon oxynitride MCM-41 with high nitrogen content

机译:高氮含量非晶态介孔氮氧化硅MCM-41的合成与表征

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摘要

Mesoporous silicon oxynitrides MCM-41 are synthesized successfully. The resulting materials show not only high nitrogen con.. tent, but also have good structural characteristics of MCM-41 (high surface area, narrow pore size distribution, and good order). The composition and structure of the materials were investigated by CNH analysis, IR spectra, Si-29 MAS NMR CP spectra, XRD, high-resolution TEM and N-2 sorption measurements. Mesoporous silicon oxynitrides MCM-41 are still amorphous after nitridatior at high temperature and for a long time. (c) 2005 Published by Elsevier B.V.
机译:成功合成了介孔氮氧化硅MCM-41。所得材料不仅显示出高氮含量,而且具有MCM-41的良好结构特征(高表面积,狭窄的孔径分布和良好的有序性)。通过CNH分析,IR光谱,Si-29 MAS NMR CP光谱,XRD,高分辨率TEM和N-2吸附测量研究了材料的组成和结构。介孔氮氧化硅MCM-41在高温下经过长时间氮化后仍然是无定形的。 (c)2005年由Elsevier B.V.

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