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Operando Spectroscopy

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Operando spectroscopy is a powerful analytical method used to characterise various molecular properties of catalytic systems including structure-activity and selectivity relationships.

The main goal of this technique is to uncover critical information about catalytic mechanisms to ultimately create efficient catalysts with high product yields. It is consequently extremely valuable in various fields of engineering, from process enhancement to new materials research.

Overview

At Hiden Analytical, we have developed a suite of quadrupole mass spectrometry systems that empower operators in catalyst development and research.

Understanding Operando Spectroscopy

Operando spectroscopy is sometimes referred to as in situ characterisation as it couples conventional spectroscopic characterisations of materials with simultaneous catalytic activity/selectivity measurement. Raman spectroscopy coupled with mass spectrometry is an ideal, complementary tool for such an experiment, providing detailed Raman spectra plus mass spectral profiles from samples under controlled, dynamic conditions.

Probing Hydrogen Release Mechanisms

Ammonia borane (H3NBH3) is an inorganic solid that releases up to two equivalents of hydrogen when thermally decomposed at temperatures below 200°C. This naturally makes it a highly promising hydrogen storage material, but its functionalisation has been inhibited by slow hydrogen release mechanisms. Operando spectroscopy has been used to investigate the release kinetics of hydrogen from AB contained in mesoporous carriers.

Studying the changes in composition, structure, and the rates of hydrogen release from candidate carriers at comparatively low temperatures are of enormous interest to catalyst researchers. At Hiden Analytical we are pleased to support efforts to elucidate the mechanisms of thermal decomposition. Contact us today to learn more. 

 

 

Further Reading

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Understanding Reactivity and Stability of Rhodium Supported on Different Ceria Facets in Catalytic NO Reduction and CO/Hydrocarbon Oxidation Reactions 1.56 MB 9 downloads

Understanding Reactivity and Stability of Rhodium Supported on Different Ceria Facets...
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Nano-sized Metallic Nickel Clusters Stabilized on Dealuminated beta‑Zeolite: A Highly Active and Stable Ethylene Hydrogenation Catalyst 3.48 MB 7 downloads

Nano-sized Metallic Nickel Clusters Stabilized on Dealuminated beta‑Zeolite: A...
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Deactivation Mechanism of Ni Nanoparticles in Dry Reforming of Methane Revealed by Operando TEM 472.19 KB 8 downloads

Deactivation Mechanism of Ni Nanoparticles in Dry Reforming of Methane Revealed by...
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Unusual water-assisted NO adsorption over Pd/FER calcined at high temperatures: The effect of cation migration 1.80 MB 14 downloads

Unusual water-assisted NO adsorption over Pd/FER calcined at high temperatures:The...
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Decoding reactive structures in dilute alloy catalysts 2.12 MB 18 downloads

Decoding reactive structures in dilute alloy catalysts ...
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Raman Spectroscopy Characterization of Amorphous Coke Generated in Industrial Processes 1.19 MB 19 downloads

Raman Spectroscopy Characterization of Amorphous Coke Generated in Industrial Processes ...
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Example on the Use of Operando Spectroscopy for Developing Mechanistic Insights into Industrial Catalysts and Catalytic Processes 4.67 MB 22 downloads

Example on the Use of Operando Spectroscopy for Developing Mechanistic Insights...
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Hydrogenation of CO2 on NiGa Thin Films Studied by Ambient Pressure X-ray Photoelectron Spectroscopy 582.25 KB 20 downloads

Hydrogenation of CO2 on NiGa Thin Films Studied by Ambient Pressure X-ray Photoelectron...
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Unlocking the Catalytic Potential of TiO2-Supported Pt Single Atoms for the Reverse Water–Gas Shift Reaction by Altering Their Chemical Environment 1.89 MB 17 downloads

Unlocking the Catalytic Potential of TiO2-Supported Pt Single Atoms for the Reverse...
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Performance Investigation of a Nickel Cermet Anode Modified with Copper, Alkaline Earth Metal Oxide, Boron, and Perovskite for Direct Methane Fuel Cell 953.99 KB 17 downloads

Performance Investigation of a Nickel Cermet Anode Modified with Copper, Alkaline...