Synthesis and catalytic properties of metal nanoparticles: Size, shape, support, composition, and oxidation state effects

BR Cuenya - Thin Solid Films, 2010 - Elsevier
Exciting new opportunities are emerging in the field of catalysis based on nanotechnology
approaches. A new understanding and mastery of catalysis could have broad societal …

Surface chemistry of ruthenium dioxide in heterogeneous catalysis and electrocatalysis: from fundamental to applied research

H Over - Chemical Reviews, 2012 - ACS Publications
Ruthenium is a chemical element that can easily adopt various formal oxidation states from−
II to+ VIII in chemical bonds,(1, 2) thus giving rise to many compounds with interesting and …

Coordinatively Unsaturated Al3+ Centers as Binding Sites for Active Catalyst Phases of Platinum on γ-Al2O3

JH Kwak, J Hu, D Mei, CW Yi, DH Kim, CHF Peden… - Science, 2009 - science.org
In many heterogeneous catalysts, the interaction of metal particles with their oxide support
can alter the electronic properties of the metal and can play a critical role in determining …

Observing the oxidation of platinum

MA Van Spronsen, JWM Frenken, IMN Groot - Nature communications, 2017 - nature.com
Despite its importance in oxidation catalysis, the active phase of Pt remains uncertain, even
for the Pt (111) single-crystal surface. Here, using a ReactorSTM, the catalytically relevant …

Anodic and cathodic platinum dissolution processes involve different oxide species

T Fuchs, V Briega‐Martos, J Drnec, N Stubb… - Angewandte …, 2023 - Wiley Online Library
The degradation of Pt‐containing oxygen reduction catalysts for fuel cell applications is
strongly linked to the electrochemical surface oxidation and reduction of Pt. Here, we study …

Surface chemistry of late transition metal oxides

JF Weaver - Chemical reviews, 2013 - ACS Publications
The surface chemistry of late transition metal oxides is scientifically interesting and can play
a central role in commercial applications of heterogeneous catalysis. The late transition …

Ostwald ripening in a Pt/SiO2 model catalyst studied by in situ TEM

SB Simonsen, I Chorkendorff, S Dahl, M Skoglundh… - Journal of catalysis, 2011 - Elsevier
Sintering of Pt nanoparticles dispersed on a planar SiO 2 support was studied by in situ
transmission electron microscopy (TEM). A time-lapsed TEM image series of the Pt …

Formation and thermal stability of platinum oxides on size-selected platinum nanoparticles: support effects

LK Ono, B Yuan, H Heinrich… - The Journal of Physical …, 2010 - ACS Publications
This article presents a systematic study of the formation and thermal stability of Pt oxide
species on size-selected Pt nanoparticles (NPs) supported on SiO2, ZrO2, and TiO2 thin …

Structural Insight into Strong Pt–CeO2 Interaction: From Single Pt Atoms to PtOx Clusters

EA Derevyannikova, TY Kardash… - The Journal of …, 2018 - ACS Publications
Pt–CeO2 nanocomposites were obtained by coprecipitation, varying the Pt loading over a
wide range of 1–30 wt%. The samples were calcined in air at 450–1000° C. The Pt–CeO2 …

[HTML][HTML] Electrochemical oxidation of Pt (111) beyond the place-exchange model

L Jacobse, V Vonk, IT McCrum, C Seitz, MTM Koper… - Electrochimica …, 2022 - Elsevier
Oxide formation plays an important role in the degradation of Pt electrocatalysts. However,
the exact oxide structure and reaction mechanism are not fully understood. Here, we used in …