Pitfalls and benefits of in situ and operando diffuse reflectance FT-IR spectroscopy (DRIFTS) applied to catalytic reactions

被引：67

作者：

Meunier, F. C. ^{[1
]}

机构：

[1] Univ Lyon 1, Inst Rech Catalyse & Environm Lyon IRCELYON, CNRS, 2 Av Albert Einstein, F-69626 Villeurbanne, France

来源：

REACTION CHEMISTRY & ENGINEERING | 2016年 / 1卷 / 02期

关键词：

GAS SHIFT REACTION; EXPERIMENTAL MICROKINETIC APPROACH; BIMETALLIC PTSN CATALYST; X-RAY-DIFFRACTION; INFRARED-SPECTROSCOPY; SUPPORTED COBALT; CARBON-MONOXIDE; CO OXIDATION; QUANTITATIVE-ANALYSIS; SURFACE SEGREGATION;

D O I：

10.1039/c5re00018a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper discusses procedures and conditions that need to be fulfilled to be able to carry out appropriate in situ and operando diffuse reflectance FT-IR (DRIFTS) analyses. Spectrum handling and precise control of experimental parameters have a significant importance, even when only qualitative information is sought. In many cases, quantitative data can be obtained, such as surface species concentrations and heats of adsorption. Transient kinetics can help characterize spectator species and potential reaction intermediates. Direct information on the state of the catalyst surface can also be obtained, for instance regarding the alloying state of multimetallic catalysts.

引用

页码：134 / 141

页数：8