In Situ/Operando Electrocatalyst Characterization by X-ray Absorption Spectroscopy

J Timoshenko, B Roldan Cuenya - Chemical reviews, 2020 - ACS Publications
During the last decades, X-ray absorption spectroscopy (XAS) has become an
indispensable method for probing the structure and composition of heterogeneous catalysts …

Magnetically separable nanocatalysts: bridges between homogeneous and heterogeneous catalysis

S Shylesh, V Schünemann… - Angewandte Chemie …, 2010 - Wiley Online Library
Recovery and reuse of expensive catalysts after catalytic reactions are important factors for
sustainable process management. The aim of this Review is to highlight the progress in the …

Engineering catalyst supports to stabilize PdOx two-dimensional rafts for water-tolerant methane oxidation

H Xiong, D Kunwar, D Jiang, CE García-Vargas, H Li… - Nature Catalysis, 2021 - nature.com
The treatment of emissions from natural gas engines is an important area of research since
methane is a potent greenhouse gas. The benchmark catalysts, based on Pd, still face …

Magnetic iron oxide nanoparticles: synthesis, stabilization, vectorization, physicochemical characterizations, and biological applications

S Laurent, D Forge, M Port, A Roch, C Robic… - Chemical …, 2008 - ACS Publications
In the past decade, the synthesis of superparamagnetic nanoparticles has been intensively
developed not only for its fundamental scientific interest but also for many technological …

Modern microwave ferrites

VG Harris - IEEE Transactions on Magnetics, 2011 - ieeexplore.ieee.org
Microwave ferrites are ubiquitous in systems that send, receive, and manipulate
electromagnetic signals across very high frequency to quasi-optical frequency bands. In this …

Unravelling the active sites and structure-activity relationship on Cu–ZnO–Al2O3 based catalysts for water-gas shift reaction

SY Ahn, KJ Kim, BJ Kim, JO Shim, WJ Jang… - Applied Catalysis B …, 2023 - Elsevier
Herein, we investigated the main active sites and structure-sensitivity of the water-gas shift
(WGS) reaction over ternary Cu–ZnO–Al 2 O 3 (CZA) catalysts. CZA catalysts with various …

Design of Single-Atom Catalysts and Tracking Their Fate Using Operando and Advanced X-ray Spectroscopic Tools

BB Sarma, F Maurer, DE Doronkin… - Chemical …, 2022 - ACS Publications
The potential of operando X-ray techniques for following the structure, fate, and active site of
single-atom catalysts (SACs) is highlighted with emphasis on a synergetic approach of both …

Reversible metal cluster formation on Nitrogen-doped carbon controlling electrocatalyst particle size with subnanometer accuracy

J Timoshenko, C Rettenmaier, D Hursán… - Nature …, 2024 - nature.com
Copper and nitrogen co-doped carbon catalysts exhibit a remarkable behavior during the
electrocatalytic CO2 reduction (CO2RR), namely, the formation of metal nanoparticles from …

Chemically prepared magnetic nanoparticles

MA Willard, LK Kurihara, EE Carpenter… - International …, 2004 - Taylor & Francis
Nanotechnology has spurred efforts to design and produce nanoscale components for
incorporation into devices. Magnetic nanoparticles are an important class of functional …

Operando high-pressure investigation of size-controlled CuZn catalysts for the methanol synthesis reaction

NJ Divins, D Kordus, J Timoshenko, I Sinev… - Nature …, 2021 - nature.com
Abstract Although Cu/ZnO-based catalysts have been long used for the hydrogenation of
CO2 to methanol, open questions still remain regarding the role and the dynamic nature of …