Heterogeneous catalysis

R Schlögl - Angewandte Chemie International Edition, 2015 - Wiley Online Library
A heterogeneous catalyst is a functional material that continually creates active sites with its
reactants under reaction conditions. These sites change the rates of chemical reactions of …

Investigation of solid/vapor interfaces using ambient pressure X-ray photoelectron spectroscopy

DE Starr, Z Liu, M Hävecker, A Knop-Gericke… - Chemical Society …, 2013 - pubs.rsc.org
Heterogeneous chemical reactions at vapor/solid interfaces play an important role in many
processes in the environment and technology. Ambient pressure X-ray photoelectron …

Understanding catalyst surfaces during catalysis through near ambient pressure X-ray photoelectron spectroscopy

L Nguyen, FF Tao, Y Tang, J Dou, XJ Bao - Chemical reviews, 2019 - ACS Publications
Heterogeneous catalysis occurs on the surface of a catalyst particle in a gas or liquid
environment of reactants. The surface of the catalyst particle acts as an active chemical …

Recent progress on synchrotron‐based in‐situ soft X‐ray spectroscopy for energy materials

X Liu, W Yang, Z Liu - Advanced Materials, 2014 - Wiley Online Library
Soft X‐ray spectroscopy (SXS) techniques such as photoelectron spectroscopy, soft X‐ray
absorption spectroscopy and X‐ray emission spectroscopy are efficient and direct tools to …

High-pressure scanning tunneling microscopy

M Salmeron, B Eren - Chemical Reviews, 2020 - ACS Publications
This is a Review of recent studies on surface structures of crystalline materials in the
presence of gases in the mTorr to atmospheric pressure range, which brings surface science …

In Situ Imaging of Cu2O under Reducing Conditions: Formation of Metallic Fronts by Mass Transfer

AE Baber, F Xu, F Dvorak… - Journal of the …, 2013 - ACS Publications
Active catalytic sites have traditionally been analyzed based on static representations of
surface structures and characterization of materials before or after reactions. We show here …

Redox-mediated reconstruction of copper during carbon monoxide oxidation

F Xu, K Mudiyanselage, AE Baber… - The Journal of …, 2014 - ACS Publications
Copper has excellent initial activity for the oxidation of CO, yet it rapidly deactivates under
reaction conditions. In an effort to obtain a full picture of the dynamic morphological and …

Heterogene Katalysatoren–fundamental betrachtet

R Schlögl - Angewandte Chemie, 2015 - Wiley Online Library
Ein heterogener Katalysator ist ein Funktionsmaterial, das mit seinen Reaktanten unter
Reaktionsbedingungen kontinuierlich aktive Zentren erzeugt. Diese Zentren verändern die …

Tuning the properties of copper-based catalysts based on molecular in situ studies of model systems

DJ Stacchiola - Accounts of Chemical Research, 2015 - ACS Publications
Conspectus Studying catalytic processes at the molecular level is extremely challenging,
due to the structural and chemical complexity of the materials used as catalysts and the …

Structure and chemical state of the Pt (557) surface during hydrogen oxidation reaction studied by in situ scanning tunneling microscopy and X-ray photoelectron …

Z Zhu, G Melaet, S Axnanda, S Alayoglu… - Journal of the …, 2013 - ACS Publications
The surface structure of Pt (557) during the catalytic oxidation of hydrogen was studied with
in situ scanning tunneling microscopy and X-ray photoelectron spectroscopy. At 298 K, the …