Silver nanomaterials: synthesis and (electro/photo) catalytic applications

RK Sharma, S Yadav, S Dutta, HB Kale… - Chemical Society …, 2021 - pubs.rsc.org
In view of their unique characteristics and properties, silver nanomaterials (Ag NMs) have
been used not only in the field of nanomedicine but also for diverse advanced catalytic …

Revealing the Nature of Active Oxygen Species and Reaction Mechanism of Ethylene Epoxidation by Supported Ag/α-Al2O3 Catalysts

T Pu, A Setiawan, AC Foucher, M Guo, JM Jehng… - ACS …, 2023 - ACS Publications
The oxygen species on Ag catalysts and reaction mechanisms for ethylene epoxidation and
ethylene combustion continue to be debated in the literature despite decades of …

[HTML][HTML] In situ Raman spectroscopy study of silver particle size effects on unpromoted Ag/α-Al2O3 during ethylene epoxidation with molecular oxygen

HA Alzahrani, JJ Bravo-Suárez - Journal of Catalysis, 2023 - Elsevier
In situ Raman spectroscopy and parallel fixed bed reactor studies were conducted under
ethylene epoxidation conditions with O 2 at 1 atm and 200℃ on unpromoted Ag/α-Al 2 O 3 …

Particle size dependence of ethylene epoxidation rates on Ag/α-Al2O3 catalysts: Why particle size distributions matter

KR Iyer, A Bhan - Journal of Catalysis, 2023 - Elsevier
The post-reaction Ag surface area distribution of 16 Ag/α-Al 2 O 3 ethylene epoxidation
catalysts with varying Ag weight loadings (6.9–35 wt%) containing different distributions of …

[HTML][HTML] Breakdown of the correlation between oxidation states and core electron binding energies at the sub-nanoscale

F Loi, M Pozzo, L Sbuelz, L Bignardi, P Lacovig… - Applied Surface …, 2023 - Elsevier
X-ray photoelectron spectroscopy is a powerful analytical tool to fingerprint the atomic
oxidation state. However, the well-established trend that is found for bulk, ultra-thin films and …

Structural inhibition of silver surface oxidation

ME Turano, LBF Juurlink, MZ Gillum… - The Journal of …, 2021 - ACS Publications
Surface structure and oxidation are key to silver-based heterogeneous catalysis. Prevention
of surface reconstruction may favor electrophilic oxygen, which is believed to be the active …

The role of chlorine promoters in mediating particle size effects in silver-catalyzed ethylene epoxidation

KR Iyer, A Bhan - Journal of Catalysis, 2024 - Elsevier
Measured chlorine coverages over Ag/α-Al 2 O 3 catalysts with varying Ag weight loadings
(1.3–35 wt%) and different Ag particle size distributions when parsed in terms of Cl …

[HTML][HTML] Oxygen-induced surface reconstructions on curved Ag (111)

ME Turano, LBF Juurlink, MZ Gillum… - Journal of Vacuum …, 2021 - pubs.aip.org
The adsorption of oxygen and the resultant O-induced surface reconstructions are key
components in heterogeneously catalyzed reactions on silver metal surfaces. O uptake and …

Nanosilver‐Based Electrocatalytic Materials

AM Elseman, SM Abdelbasir - Electrocatalytic Materials for …, 2024 - Wiley Online Library
Silver metal‐based nanomaterials (SMNs) have sparked considerable interest due to their
multifunctional and interactive properties, which allow for a wide range of catalytic …

Ozonative epoxidation of ethylene: A novel process for production of ethylene oxide

NC Aghdam, N Chen, J Soltan - Applied Catalysis A: General, 2023 - Elsevier
Here we report a novel reaction for ethylene oxide production using catalytic reaction of
ethylene with ozone at room temperature. A key aspect of this path is boosting selective …