Publications related to Water inhibition and role of palladium adatoms on Pd/Al2O3 catalysts during methane oxidation

Related publications (16)

Pd-Catalyzed Strain-Releasing Dyotropic Rearrangement: Ring-Expanding Amidofluorination of Methylenecyclobutanes

Jieping Zhu, Baochao Yang, Guoqiang Yang

Under the Pd(II)/Pd(IV) catalytic cycle, the cyclization of pent-4-en-1-amine derivatives typically yields either pyrrolidines or piperidines depending on the N-protecting group. We report herein an unprecedented Pd(II)-catalyzed oxidative domino process t ...

2025

RUBIES: JWST/NIRSpec Resolves Evolutionary Phases of Dusty Star-forming Galaxies at z ∼ 2

Michaela Hirschmann

The dearth of high-quality spectroscopy of dusty star-forming galaxies (DSFGs)-the main drivers of the assembly of dust and stellar mass at the peak of activity in the Universe-greatly hinders our ability to interpret their physical processes and evolution ...

IOP Publishing Ltd2025

Aqueous Ozonation: Achieving Realistic Conditions with Synthetic Water Matrices and Kinetics and Mechanisms of Reactions of Aromatic Heterocycles and Organic Sulfur Compounds

Simon Alexander Rath

Ozonation is widely used for drinking water disinfection and increasingly for micropollutant abatement in municipal wastewater. Predicting and identifying transformation products from the ozonation of micropollutants is challenging, due to (i) reactions of ...

EPFL2025

A halted photodeposition technique controls co-catalyst loading and morphology on organic semiconductor nanoparticles for solar H 2 production

Kevin Sivula, Victor Carle Adrien Boureau, Colin Jeanguenat, Connor Robert Firth

Solar hydrogen production with semiconductor photocatalyst particles typically requires co-catalysts to accelerate the hydrogen evolution reaction, but since co-catalysts are often deposited in situ, the rate of their nucleation/growth and role in parasiti ...

Wiley2024

Single vibronic level fluorescence spectra from Hagedorn wavepacket dynamics

Jiri Vanicek, Zhan Tong Zhang

In single vibronic level (SVL) fluorescence experiments, the electronically excited initial state is also excited in one or several vibrational modes. Because computing such spectra by evaluating all contributing Franck–Condon factors becomes impractical ( ...

AIP Publishing2024

Unlocking Multi-scenario Sensing Capabilities in the Mid-ir Using Polycrystalline Silicon Metasurfaces

Simone Iadanza

The design and operational principles governing all-dielectric metasurfaces, operating in the 4 similar to 8 mu m mid-infrared band and customizable for gas and liquid sensing, are presented. A comparative analysis of silicon meta-atoms on CaF2 or Si3N4 su ...

IEEE2024

Natural and simulated weathering of polystyrene: A molecular view of the polymeric interface

Christian Ludwig, Florian Frédéric Vincent Breider, Michel Rossi, Tobias Borgmeyer, Lu Zhou

This work presents the changing abundance of surface functional groups (SFGs) on polystyrene (PS) upon weathering within one or a few molecular monolayers from a molecular point of view. PS particles were aged by exposing it to a gas flow of typically (5 % ...

Elsevier BV2024

Large-scale benchmarks of the time-warp/graph-theoretical kinetic Monte Carlo approach for distributed on-lattice simulations of catalytic kinetics

Giannis Savva

Motivated by the need to perform large-scale kinetic Monte Carlo (KMC) simulations, in the context of unravelling complex phenomena such as catalyst reconstruction and pattern formation, we extend the work of Ravipati et al. [S. Ravipati, G. D. Savva, I.-A ...

2023

Mitigating the Heterointerface Driven Instability in Perovskite Photovoltaics

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ursula Röthlisberger, Ulf Anders Hagfeldt, Felix Thomas Eickemeyer, Hong Zhang, Anurag Krishna, Essa Awadh R Alharbi, Mathias Dankl

Metal halide perovskites have thepotential to revolutionizethefield of photovoltaics, though limited stability has impeded commercialexploitation. The soft heterointerface between the perovskite andcharge-transporting layer is one of the major bottlenecks ...

AMER CHEMICAL SOC2023

Considerations of Liquid-Phase Transmission Electron Microscopy Applied to Heterogeneous Electrocatalysis

Vasiliki Tileli, Tzu-Hsien Shen, Jan Vávra, Robin Pierre Alain Girod

Liquid-phase transmission electron microscopy (LPTEM) is an essential tool for studying the dynamics of materials interactions at the nanoscale, in and/or with their operational environment. Microfabricated SiNx membrane cells further allow the integration ...

ELECTROCHEMICAL SOC INC2023

Diffusion-weighted SPECIAL improves the detection of J-coupled metabolites at ultrahigh magnetic field

Rolf Gruetter, Cristina Ramona Cudalbu Moldovan, Bernard Lanz, Dunja Simicic, Jessie Julie Mosso

PurposeTo improve the detection and subsequent estimation of the diffusion properties of strongly J-coupled metabolites in diffusion-weighted MRS (DWS).MethodsA new sequence for single-voxel diffusion-weighted 1H MR spectroscopy, named DW-SPECIAL, is propo ...

WILEY2023

Harnessing data science to improve molecular structure elucidation from tandem mass spectrometry

Fernando Perez Cruz, Guillaume Romain Obozinski, Marco Volpi

Compound structural identification for non-targeted screening of organic molecules in complex mixtures is commonly carried out using liquid chromatography coupled to tandem mass spectrometry (UHPLC-HRMS/MS and related techniques). Instrumental developments ...

2023

Molecular Stabilization of Sub-Nanometer Cu Clusters for Selective CO2 Electromethanation

Jun Li

Electrochemical CO2 methanation powered by renewable electricity provides a promising approach to utilizing CO2 in the form of a high-energy-density, clean fuel. Cu nanoclusters have been predicted by theoretical calculations to improve methane selectivity ...

WILEY-V C H VERLAG GMBH2022

A Resonant Graphene NEMS Vibrometer

Luis Guillermo Villanueva Torrijo, Daniel Moreno Garcia

Measuring vibrations is essential to ensuring building structural safety and machine stability. Predictive maintenance is a central internet of things (IoT) application within the new industrial revolution, where sustainability and performance increase ove ...

WILEY-V C H VERLAG GMBH2022

Trehalose matrices for high temperature dynamic nuclear polarization enhanced solid state NMR

Gabriele Stevanato

Dynamic nuclear polarization (DNP) at cryogenic temperatures has proved to be a valuable technique to enhance the sensitivity of solid-state NMR spectroscopy. Over the years, sample formulations have been optimized for experiments at cryogenic temperatures ...

ROYAL SOC CHEMISTRY2022

Slow Magnetic Relaxation of Dy Adatoms with In-Plane Magnetic Anisotropy on a Two- Dimensional Electron Gas

Harald Brune, Stefano Rusponi, Marina Pivetta, Darius Constantin Merk, Boris Sorokin, Sébastien Reynaud, Dante Philippe Sblendorio

We report on the magnetic properties of Dy atoms adsorbed on the (001) surface of SrTiO3. X-ray magnetic circular dichroism reveals slow relaxation of the Dy magnetization on a time scale of about 800 s at 2.5 K, unusually associated with an easy-plane mag ...

AMER CHEMICAL SOC2022