Heterogeneous Catalysts for Clean Technology 2013
DOI: 10.1002/9783527658985.ch3
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Abstract: In situ spectroscopy is the only approach to obtain reliable information on mechanisms and the role of intermediates in chemical reactions as well as on structure-reactivity relationships in catalysis [1][2][3][4][5]. Especially, in heterogeneous catalysis, the application of a variety of in situ methods has gained a lively development during the recent two decades. But also in homogeneous catalysis, as well as in catalytic multiphase systems, in situ characterization methods are increasingly applied. A survey… Show more

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Cited by 2 publications
(4 citation statements)
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“…Whereas the temperature stability of the probes is limited to ∼120 °C (UV–vis, ATR-IR) or 180 °C (Raman), the probes are pressure sealed up to 10 bar (UV–vis), 300 bar (ATR-IR), 200 bar (Raman), and therefore also applicable for reaction monitoring under higher pressures. For such investigations, the probes can also be implemented in special reaction cells or autoclaves ,, via Swagelok connections.…”
Section: Setup and Practical Aspectsmentioning
confidence: 99%
See 2 more Smart Citations
“…Whereas the temperature stability of the probes is limited to ∼120 °C (UV–vis, ATR-IR) or 180 °C (Raman), the probes are pressure sealed up to 10 bar (UV–vis), 300 bar (ATR-IR), 200 bar (Raman), and therefore also applicable for reaction monitoring under higher pressures. For such investigations, the probes can also be implemented in special reaction cells or autoclaves ,, via Swagelok connections.…”
Section: Setup and Practical Aspectsmentioning
confidence: 99%
“…Furthermore, in situ spectroscopy is the only approach to derive reliable information on the role of intermediates in chemical reactions as well as on structure–reactivity relationships in catalysis. In heterogeneous catalysis, the application of a variety of in situ methods has gained a lively development during the last 2 decades. However, also in homogeneous catalysis as well as in catalytic multiphase systems, in situ characterization methods are increasingly used. Besides X-ray absorption spectroscopic methods like X-ray absorption near edge structure (XANES) and extended X-ray absorption fine structure (EXAFS), which should not be further discussed here, vibrational and magnetic resonance spectroscopic methods like attentuated total reflectance-infrared spectroscopy (ATR-IR), UV–vis, Raman, electron paramagnetic resonance (EPR), and NMR were applied for the study of several types of catalytic reactions proceeding in the liquid phase. …”
Section: Introductionmentioning
confidence: 99%
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“…The key to the understanding of catalytic mechanisms is the examination of catalytic surfaces in their working state , a concept first articulated in 1965 with studies of in situ adsorption . The relevance of using spectroscopic techniques under in situ conditions is now commonly accepted and has been discussed in recent papers, , books, , and reviews . In the present work, use is made of simultaneous in situ Fourier transform infrared spectroscopy (FTIR), to gain insight into the adsorbed intermediates, and X-ray absorption fine structure (XAFS), to garner information on the state of the catalyst site.…”
Section: Introductionmentioning
confidence: 99%