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 …

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 …

Essential features of weak current for excellent enhancement of NOx reduction over monoatomic V-based catalyst

D Zheng, K Liu, Z Zhang, Q Fu, M Bian, X Han… - Nature …, 2024 - nature.com
Human society is facing increasingly serious problems of environmental pollution and
energy shortage, and up to now, achieving high NH3-SCR activity at ultra-low temperatures …

In situ electrochemical activation of Co (OH) 2@ Ni (OH) 2 heterostructures for efficient ethanol electrooxidation reforming and innovative zinc–ethanol–air batteries

Z Li, S Ning, J Xu, J Zhu, Z Yuan, Y Wu… - Energy & …, 2022 - pubs.rsc.org
The slow kinetics of the oxygen evolution reaction (OER) has seriously hindered the
development of electrical water splitting and rechargeable metal–air batteries. The ethanol …

Encapsulating Cobalt Nanoparticles in Interconnected N‐Doped Hollow Carbon Nanofibers with Enriched Co N C Moiety for Enhanced Oxygen Electrocatalysis in …

Q Lu, H Wu, X Zheng, Y Chen, AL Rogach… - Advanced …, 2021 - Wiley Online Library
Rational design of bifunctional efficient electrocatalysts for both oxygen reduction (ORR) and
oxygen evolution reactions (OER) is desirable—while highly challenging—for development …

Covalent organic frameworks as a decorating platform for utilization and affinity enhancement of chelating sites for radionuclide sequestration

Q Sun, B Aguila, LD Earl, CW Abney… - Advanced …, 2018 - Wiley Online Library
The potential consequences of nuclear events and the complexity of nuclear waste
management motivate the development of selective solid‐phase sorbents to provide …

Reversible Structural Evolution of Metal‐Nitrogen‐Doped Carbon Catalysts During CO2 Electroreduction: An Operando X‐ray Absorption Spectroscopy Study

D Hursán, J Timoshenko, E Ortega, HS Jeon… - Advanced …, 2024 - Wiley Online Library
Abstract Electrochemical CO2 reduction (CO2RR) is a rising technology, aiming to reduce
the energy sector dependence on fossil fuels and to produce carbon‐neutral raw materials …

Dynamic Changes in the Structure, Chemical State and Catalytic Selectivity of Cu Nanocubes during CO2 Electroreduction: Size and Support Effects

P Grosse, D Gao, F Scholten, I Sinev… - Angewandte …, 2018 - Wiley Online Library
In situ and operando spectroscopic and microscopic methods were used to gain insight into
the correlation between the structure, chemical state, and reactivity of size‐and shape …

Cohesive energy discrepancy drives the fabrication of multimetallic atomically dispersed materials for hydrogen evolution reaction

X Yang, W Song, K Liao, X Wang, X Wang… - Nature …, 2024 - nature.com
Atomically dispersed single atom (SA) and atomic cluster (AC) metallic materials attract
tremendous attentions in various fields. Expanding monometallic SA and AC to multimetallic …

Structure and Reactivity of Oxygen-Bridged Diamino Dicopper(II) Complexes in Cu-Ion-Exchanged Chabazite Catalyst for NH3-Mediated Selective Catalytic …

C Negri, T Selleri, E Borfecchia, A Martini… - Journal of the …, 2020 - ACS Publications
The NH3-mediated selective catalytic reduction (NH3-SCR) of NOx over Cu-ion-exchanged
chabazite (Cu-CHA) catalysts is the basis of the technology for abatement of NOx from …