Potential rare earth modified CeO2 catalysts for soot oxidation: I. Characterisation and catalytic activity with O2

K Krishna, A Bueno-López, M Makkee… - Applied Catalysis B …, 2007 - Elsevier
Ceria (CeO2) and rare-earth modified ceria (CeReOx with Re= La, Pr, Sm, Y) catalysts are
prepared by nitrate precursor calcination and are characterised by BET surface area, XRD …

Structural characteristics and catalytic activity of nanocrystalline ceria− praseodymia solid solutions

BM Reddy, G Thrimurthulu, L Katta… - The Journal of …, 2009 - ACS Publications
Ceria− praseodymia (CP) nanocrystalline solid solutions were prepared by a coprecipitation
method and calcined at various temperatures to understand the thermal effects on the …

A Theoretical Study of Surface Reduction Mechanisms of CeO2(111) and (110) by H2

HT Chen, YM Choi, M Liu, MC Lin - ChemPhysChem, 2007 - Wiley Online Library
Reaction mechanisms for the interactions between CeO2 (111) and (110) surfaces are
investigated using periodic density functional theory (DFT) calculations. Both standard DFT …

Enhanced hydroxyl radical scavenging activity by doping lanthanum in ceria nanocubes

S Fernandez-Garcia, L Jiang, M Tinoco… - The Journal of …, 2016 - ACS Publications
Ceria nanoparticles have been reported to possess special antioxidant and catalytic
properties due to their unique redox characteristics. In this study, single-crystalline CeO2 …

Aliovalent doping of CeO 2: DFT study of oxidation state and vacancy effects

DEP Vanpoucke, P Bultinck, S Cottenier… - Journal of Materials …, 2014 - pubs.rsc.org
The modification of CeO2 properties by means of aliovalent doping is investigated within the
ab initio density functional theory framework. Lattice parameters, dopant atomic radii, bulk …

Stabilization of active Rh2O3 species for catalytic decomposition of N2O on La-, Pr-doped CeO2

A Bueno-López, I Such-Basáñez, CSM De Lecea - Journal of Catalysis, 2006 - Elsevier
CeO2 and La-or Pr-doped CeO2 were prepared at calcination temperatures of 600, 800,
and 1000° C. The samples were characterized by Raman, XRD, and N2 adsorption and …

Structural Characterization and Catalytic Activity of Ce0.65Zr0.25RE0.1O2−δ Nanocrystalline Powders Synthesized by the Glycine-Nitrate Process

DH Prasad, SY Park, HI Ji, HR Kim… - The Journal of …, 2012 - ACS Publications
In this study, Ce0. 65Zr0. 25RE0. 1O2− δ (RE= Tb, Gd, Eu, Sm, Nd, Pr, and La) solid
solutions were successfully prepared by the glycine-nitrate process and tested for CO …

Potential rare-earth modified CeO2 catalysts for soot oxidation: Part III. Effect of dopant loading and calcination temperature on catalytic activity with O2 and NO+ O2

K Krishna, A Bueno-López, M Makkee… - Applied Catalysis B …, 2007 - Elsevier
CeO2 and CeReOx_y catalysts are prepared by the calcination at different temperatures (y=
500–1000° C) and having a different composition (Re= La3+ or Pr3+/4+, 0–90wt.%). The …

Lattice oxygen activity in ceria-praseodymia mixed oxides for soot oxidation in catalysed Gasoline Particle Filters

JC Martínez-Munuera, M Zoccoli… - Applied Catalysis B …, 2019 - Elsevier
Two series of ceria-praseodymia catalysts with varying composition have been
systematically investigated in the oxidation of soot under inert atmosphere in order to find …

Study of Ce/Pr ratio in ceria-praseodymia catalysts for soot combustion under different atmospheres

N Guillén-Hurtado, J Giménez-Mañogil… - Applied Catalysis A …, 2020 - Elsevier
Abstract The effect of Ce/Pr ratio on ceria-praseodymia on structural and surface properties
is studied. The catalytic activity towards soot combustion under NOx/O 2 and O 2/N 2 …