Exsolution on perovskite oxides: morphology and anchorage of nanoparticles

T Ruh, D Berkovec, F Schrenk… - Chemical …, 2023 - pubs.rsc.org
Perovskites are very promising materials for a wide range of applications (such as catalysis,
solid oxide fuel cells…) due to beneficial general properties (eg stability at high …

Roadmap on exsolution for energy applications

D Neagu, JTS Irvine, J Wang, B Yildiz… - Journal of Physics …, 2023 - iopscience.iop.org
Over the last decade, exsolution has emerged as a powerful new method for decorating
oxide supports with uniformly dispersed nanoparticles for energy and catalytic applications …

In situ techniques reveal the true capabilities of SOFC cathode materials and their sudden degradation due to omnipresent sulfur trace impurities

C Riedl, M Siebenhofer, A Nenning… - Journal of Materials …, 2022 - pubs.rsc.org
In this study, five different mixed conducting cathode materials were grown as dense thin
films by pulsed laser deposition (PLD) and characterized via in situ impedance spectroscopy …

Improving and degrading the oxygen exchange kinetics of La 0.6 Sr 0.4 CoO 3− δ by Sr decoration

M Siebenhofer, C Riedl, A Nenning, W Artner… - Journal of Materials …, 2023 - pubs.rsc.org
Minimizing the overpotential at the air electrode of solid oxide fuel cells (SOFC) is one of the
key challenges regarding a broad applicability of this technology. Next to novel materials …

Engineering surface dipoles on mixed conducting oxides with ultra-thin oxide decoration layers

M Siebenhofer, A Nenning, C Rameshan… - Nature …, 2024 - nature.com
Improving materials for energy conversion and storage devices is deeply connected with an
optimization of their surfaces and surface modification is a promising strategy on the way to …

[HTML][HTML] Impact of nanoparticle exsolution on dry reforming of methane: Improving catalytic activity by reductive pre-treatment of perovskite-type catalysts

F Schrenk, L Lindenthal, H Drexler, G Urban… - Applied Catalysis B …, 2022 - Elsevier
Nanoparticle exsolution is regarded as a promising alternative to classical catalyst synthesis
routes. In this work, we compare the catalytic performance of nanoparticles formed by in-situ …

Boosting the activity of PdAg2/Al2O3 supported catalysts towards the selective acetylene hydrogenation by means of CO-induced segregation: A combined NAP XPS …

AV Bukhtiyarov, MA Panafidin, IP Prosvirin… - Applied surface …, 2022 - Elsevier
Selective hydrogenation (or semi-hydrogenation) of acetylene into ethylene is an important
industrial process. The aim of the present work is thus to learn regularities governing the CO …

In situ XPS studies of MoS2-based CO2 hydrogenation catalysts

G Pacholik, L Enzlberger, A Benzer… - Journal of Physics D …, 2021 - iopscience.iop.org
Abstract Various formulations of Co, Ni and K modified MoS 2-based catalysts were
synthesized hydrothermally and compared in their catalytic performance in CO 2 …

Surface decorations on mixed ionic and electronic conductors: Effects on surface potential, defects, and the oxygen exchange kinetics

C Riedl, M Siebenhofer, A Nenning… - … Applied Materials & …, 2023 - ACS Publications
The oxygen exchange kinetics of epitaxial Pr0. 1Ce0. 9O2− δ electrodes was modified by
decoration with submonolayer amounts of different basic (SrO, CaO) and acidic (SnO2 …

[HTML][HTML] Electronic and ionic effects of sulphur and other acidic adsorbates on the surface of an SOFC cathode material

M Siebenhofer, A Nenning, GE Wilson… - Journal of Materials …, 2023 - pubs.rsc.org
The effects of sulphur adsorbates and other typical solid oxide fuel cell (SOFC) poisons on
the electronic and ionic properties of an SrO-terminated (La, Sr) CoO3 (LSC) surface and on …