催化作用
漫反射红外傅里叶变换
光谱学
红外光谱学
原位
红外线的
漫反射
傅里叶变换红外光谱
反射(计算机编程)
表征(材料科学)
钼
材料科学
分析化学(期刊)
化学
无机化学
光学
纳米技术
计算机科学
物理
有机化学
光催化
程序设计语言
量子力学
作者
Tiziana Armaroli,Thierry Bécue,S. Gautier
摘要
Institut français du pétroleThe diffuse reflection infrared Fourier transform spectroscopy (DRIFTS) technique, less practiced than the transmission mode because of its limitations, is extremely useful, indeed indispensable, for non-transparent materials and/or for in situ measurements at elevated temperature. The authors describe the principles of this technique and its advantages over transmission infrared spectroscopy. The application of DRIFTS to the characterization of catalysts is illustrated by two studies conducted on the interaction of molybdenum with the precursor of fuel desulphurization catalysts, and on the in situ modifications under reactive gases of catalysts for reducing nitrogen compounds in exhaust gases.
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