Dilute alloys based on Au, Ag, or Cu for efficient catalysis: from synthesis to active sites

JD Lee, JB Miller, AV Shneidman, L Sun… - Chemical …, 2022 - ACS Publications
The development of new catalyst materials for energy-efficient chemical synthesis is critical
as over 80% of industrial processes rely on catalysts, with many of the most energy-intensive …

Insights into heterogeneous catalysts under reaction conditions by in situ/operando electron microscopy

HW Cheng, S Wang, G Chen, Z Liu… - Advanced Energy …, 2022 - Wiley Online Library
The advancement of clean energy and environment depends strongly on the development
of efficient catalysts in a wide range of heterogeneous catalytic reactions, which has …

Activating C–H bonds by tuning Fe sites and an interfacial effect for enhanced methanol oxidation

S Huang, F Feng, RT Huang, T Ouyang… - Advanced …, 2022 - Wiley Online Library
The interaction mechanism between the reacting species and the active site of α‐Fe2O3‐
based photoanodes in photoelectrochemical methanol conversion reaction is still …

Formation of three-dimensional bicontinuous structures via molten salt dealloying studied in real-time by in situ synchrotron X-ray nano-tomography

X Liu, A Ronne, LC Yu, Y Liu, M Ge, CH Lin… - Nature …, 2021 - nature.com
Three-dimensional bicontinuous porous materials formed by dealloying contribute
significantly to various applications including catalysis, sensor development and energy …

Evolution of metastable structures at bimetallic surfaces from microscopy and machine-learning molecular dynamics

JS Lim, J Vandermause… - Journal of the …, 2020 - ACS Publications
The restructuring of interfaces plays a crucial role in materials science and heterogeneous
catalysis. Bimetallic systems, in particular, often adopt very different compositions and …

Hydrogen migration at restructuring palladium–silver oxide boundaries dramatically enhances reduction rate of silver oxide

CR O'Connor, MA van Spronsen, T Egle, F Xu… - Nature …, 2020 - nature.com
Heterogeneous catalysts are complex materials with multiple interfaces. A critical
proposition in exploiting bifunctionality in alloy catalysts is to achieve surface migration …

Tuning reactivity in trimetallic dual-atom alloys: molecular-like electronic states and ensemble effects

S Zhang, ECH Sykes, MM Montemore - Chemical Science, 2022 - pubs.rsc.org
Single-atom alloys (SAAs) have drawn significant attention in recent years due to their
excellent catalytic properties. Controlling the geometry and electronic structure of this type of …

Formaldehyde selectivity in methanol partial oxidation on silver: Effect of reactive oxygen species, surface reconstruction, and stability of intermediates

M Karatok, MG Sensoy, EI Vovk, H Ustunel… - ACS …, 2021 - ACS Publications
Selective oxidation reactions on heterogeneous silver catalysts are essential for the mass
production of numerous industrial commodity chemicals. However, the nature of active …

Dilute Pd-in-Au alloy RCT-SiO2 catalysts for enhanced oxidative methanol coupling

A Filie, T Shirman, AC Foucher, EA Stach… - Journal of …, 2021 - Elsevier
Dilute alloy catalysts have the potential to enhance selectivity and activity for large-scale
reactions. Highly dilute Pd-in-Au nanoparticle alloys partially embedded in porous silica …

Stabilization of a nanoporous NiCu dilute alloy catalyst for non-oxidative ethanol dehydrogenation

N Janvelyan, MA van Spronsen, CH Wu, Z Qi… - Catalysis Science & …, 2020 - pubs.rsc.org
Producing acetaldehyde, an important industrial chemical, by direct catalytic non-oxidative
dehydrogenation of ethanol presents many advantages over current production methods …