Articles with "ceria" as a keyword



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Small Ceria Nanoclusters with High ROS Scavenging Activity and Favorable Pharmacokinetic Parameters for the Amelioration of Chronic Kidney Disease.

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Published in 2023 at "Advanced healthcare materials"

DOI: 10.1002/adhm.202300632

Abstract: The over production of reactive oxygen species (ROS) plays a critical role in the progression of chronic kidney disease (CKD). Organic ROS scavengers currently used for CKD treatment do not satisfy low dosage and high… read more here.

Keywords: chronic kidney; scavenging activity; ros scavenging; ceria ... See more keywords
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Sm on CeO2(111): A Case for Ceria Modification via Strong Metal–Ceria Interaction

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Published in 2018 at "Topics in Catalysis"

DOI: 10.1007/s11244-018-0977-3

Abstract: The growth, electronic structure and stability of Sm on ordered CeO2(111) thin films grown on Cu(111) were investigated by means of X-ray photoelectron spectroscopy (XPS), low energy electron diffraction, and scanning tunneling microscopy (STM). Metallic… read more here.

Keywords: case ceria; ceria; ceria modification; ceo2 111 ... See more keywords
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Morphology and electronic properties of Ni supported on Mn-doped CeO2(1 1 1) thin films

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.145850

Abstract: Abstract Well-ordered CeO2(1 1 1) thin films were prepared on a Ru(0001) single crystal substrate in an oxygen environment. Co-deposition of Ce and Mn during the CeO2(1 1 1) thin film growth can produce well-ordered Ce1-xMnxO2−δ(1 1 1) mixed oxide films… read more here.

Keywords: thin films; ceo2 thin; ceria; electronic properties ... See more keywords
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First-principles molecular dynamics investigation of ceria/silica sliding interface toward functional materials design for chemical mechanical polishing process

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.147259

Abstract: Abstract We report a form of chemical mechanical polishing (CMP) in which ceria abrasive particles polish a silicon wafer surface in a water environment. The Car-Parrinello molecular dynamics (CPMD) method, which enables chemical reaction dynamics… read more here.

Keywords: bond; water; surface; ceria ... See more keywords

Thermally induced reconstruction of ceria nanocubes into zigzag {111}-nanofacetted structures and its influence on catalytic activity in CO oxidation

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Published in 2018 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2018.08.005

Abstract: Abstract Thermally induced reconstruction of ceria nanocubes into {111}-nanofacetted structures was investigated by XRD, TEM and Raman spectroscopy. The beneficial role of reducing atmosphere on the surface reconstruction processes was observed and is discussed. The… read more here.

Keywords: reconstruction; 111 nanofacetted; ceria; ceria nanocubes ... See more keywords
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Ceria and its related materials for VOC catalytic combustion: A review

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Published in 2020 at "Catalysis Today"

DOI: 10.1016/j.cattod.2019.05.016

Abstract: Abstract Based on unique oxygen storage capacity (OSC), ceria catalysts are widely investigated for remediation of volatile organic compounds (VOCs) over the recent decade. It is generally accepted that VOC oxidation on ceria is through… read more here.

Keywords: ceria; ceria related; materials voc; oxygen ... See more keywords
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Bimetallic Cu-Pt catalysts over nanoshaped ceria for hydrogen production via methanol decomposition

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Published in 2021 at "Catalysis Today"

DOI: 10.1016/j.cattod.2021.07.003

Abstract: Abstract A series of Pt/CeO2 (5 wt%) and bimetallic Cu-Pt/CeO2 (4 wt% Cu and 1 wt%) catalysts supported on different CeO2 nano shapes (polyhedra, rods, and cubes) were studied as catalytic systems for hydrogen production from the methanol… read more here.

Keywords: ceria; hydrogen production; methanol decomposition;
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Nanostructured faceted ceria as oxidation catalyst

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Published in 2018 at "Current opinion in chemical engineering"

DOI: 10.1016/j.coche.2018.03.009

Abstract: This review highlights the key importance of the selective exposure of crystal facets in nanostructured ceria and their effect on the formation of lattice oxygen vacancies and their mobility. These factors, in addition to surface… read more here.

Keywords: ceria oxidation; oxidation; ceria; nanostructured faceted ... See more keywords
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Effect of ceria concentration of Strontium titanate on the structural, optical, dielectric and electrical properties

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Published in 2020 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2020.137314

Abstract: Abstract The present investigation, pure and ceria (CeO2) doped strontium titanate (SrTiO3) powders have been synthesized by the solid-state reaction method. In addition, the effect of ceria (0, 1, and 3%) on the variation of… read more here.

Keywords: ceria; ceria concentration; strontium titanate; spectroscopy ... See more keywords
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Enhancement of hydrogen production using Ni catalysts supported by Gd-doped ceria

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Published in 2021 at "Heliyon"

DOI: 10.1016/j.heliyon.2021.e08202

Abstract: A redox cycle between Ce4+ and Ce3+ is an elementary step in water gas shift (WGS) mechanism. By facilitating the redox cycle between +4 and +3 of cerium, a formation of oxygen vacancy can be… read more here.

Keywords: ceria; doped ceria; gdc; supported doped ... See more keywords
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Alumina supported Au/Y-doped ceria catalysts for pure hydrogen production via PROX

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Published in 2019 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2018.03.005

Abstract: Abstract Gold catalysts on Y-doped ceria dispersed on high surface area γ-Al2O3 were synthesized and tested in preferential CO oxidation in hydrogen rich stream (PROX). The effect of ceria loading (10, 20 or 30 wt%) was… read more here.

Keywords: ceria; alumina supported; hydrogen; prox ... See more keywords