Characterisation and reactivity of oxygen species at the surface of metal oxides

M Anpo, G Costentin, E Giamello, H Lauron-Pernot… - Journal of …, 2021 - Elsevier
Surface reactive oxygen species play a fundamental role in selective oxidation and
combustion reactions catalyzed by metal oxides. Unravelling the nature of these transient …

Total oxidation of methane on oxide and mixed oxide ceria-containing catalysts

M Stoian, V Rogé, L Lazar, T Maurer, JC Védrine… - Catalysts, 2021 - mdpi.com
Methane, discovered in 1766 by Alessandro Volta, is an attractive energy source because of
its high heat of combustion per mole of carbon dioxide. However, methane is the most …

N2O Decomposition on Singly and Doubly (K and Li)-Doped Co3O4 Nanocubes─Establishing Key Factors Governing Redox Behavior of Catalysts

L Nowakowski, C Hudy, F Zasada… - Journal of the …, 2024 - ACS Publications
The intimate mechanism of N2O decomposition on bare and redox-tuned Co3O4
nanocubes (achieved by single (Li or K) and double (Li and K) do**) was elucidated. The …

Oxygen activation-boosted manganese oxide with unique interface for chlorobenzene oxidation: Unveiling the roles and dynamic variation of active oxygen species in …

X Duan, T Zhao, Z Yang, B Niu, G Li, B Li… - Applied Catalysis B …, 2023 - Elsevier
In-depth study of active oxygen species (AOS) is essential to heterogeneous catalytic
oxidation techniques. Herein, a facile strategy of constructing dual-phase MnO x with unique …

Operando Identification of the Reversible Skin Layer on Co3O4 as a Three-Dimensional Reaction Zone for Oxygen Evolution

T Wiegmann, I Pacheco, F Reikowski, J Stettner… - ACS …, 2022 - ACS Publications
Co oxides and oxyhydroxides have been studied extensively in the past as promising
electrocatalysts for the oxygen evolution reaction (OER) in neutral to alkaline media. Earlier …

Surface oxygen Vacancies on Reduced Co3O4(100): Superoxide Formation and Ultra‐Low‐Temperature CO Oxidation

Y Liu, Y Peng, M Naschitzki, S Gewinner… - Angewandte Chemie …, 2021 - Wiley Online Library
The activation of molecular oxygen is a fundamental step in almost all catalytic oxidation
reactions. We have studied this topic and the role of surface vacancies for Co3O4 (100) films …

Total oxidation of lean methane over cobalt spinel nanocubes controlled by the self-adjusted redox state of the catalyst: experimental and theoretical account for …

F Zasada, J Janas, W Piskorz, M Gorczynska… - ACS …, 2017 - ACS Publications
Involvement of suprafacial and intrafacial oxygen species in catalytic combustion of methane
over the (100) faceted cobalt spinel was systematically examined as a function of …

Origin of Efficient Catalytic Combustion of Methane over Co3O4(110): Active Low-Coordination Lattice Oxygen and Cooperation of Multiple Active Sites

W Hu, J Lan, Y Guo, XM Cao, P Hu - ACS Catalysis, 2016 - ACS Publications
A complete catalytic cycle for methane combustion on the Co3O4 (110) surface was
investigated and compared with that on the Co3O4 (100) surface on the basis of first …

Doped Mn modulates the local charge distribution of cobalt-based spinel catalysts to promote the availability of ligand lattice oxygen for complete oxidation of methane

L Song, H Zhang, J ** other metals such as Mn, Ni, In, et al. is known as an effective strategy to improve the
environmental catalytic performance of Co 3 O 4. In our works, Mn ions were successfully …

Generation of Reactive Oxygen Species via Electroprotic Interaction of H2O2 with ZrO2 Gel: Ionic Sponge Effect and pH-Switchable Peroxidase- and Catalase-Like …

K Sobańska, P Pietrzyk, Z Sojka - ACS Catalysis, 2017 - ACS Publications
Formation of reactive oxygen species (ROS) is of vital importance in catalytic oxidation
chemistry. In this paper we have shown that a nonredox system such as amorphous …