Results 171 to 180 of about 35,343 (228)

Enhancement of Chemical Stability of Sulfonated Polyvinylidene Fluoride Proton‐Conducting Membranes by Ceria Incorporation

open access: yesJournal of Polymer Science, Volume 64, Issue 20, Page 4375-4383, 15 October 2026.
The chemical stability of SPVDF membranes was examined using Fenton's reagent test. It was found that the chemical stability of membranes was enhanced from around 80% to 96% by integration of ceria in the membranes. The ability of ceria to toggle between the two oxidation states was responsible for this enhancement.
Gagan Kumar Bhatt   +4 more
wiley   +1 more source

Comment on Thermodynamics of Cerium Oxalate and Cerium Oxide

open access: yesComment on Thermodynamics of Cerium Oxalate and Cerium Oxide
identifier:oai:t2r2.star.titech.ac.jp ...
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Enthalpies of formation of cerium dioxide, cerium sesquicarbide, and cerium dicarbide

The Journal of Chemical Thermodynamics, 1971
The enthalpies of formation of cerium dioxide, cerium sesquicarbide, and cerium dicarbide have been determined by oxygen bomb calorimetry and found to be Δ H ° f (CeO 2 , 298.15 K) = −(260.6 ± 0.2) kcal mol −1 , Δ H ° f (CeC 1.5 , 298.15 K) = −(21.1 ± 0.7) kcal mol −1 , and Δ H ° f (CeC 2.0 , 298.15 K) = −(23.1 ± 1.3) kcal mol −1 .
Floyd B. Baker   +3 more
openaire   +1 more source

Introduction to Cerium and Cerium-based Materials

2023
The redox behavior of cerium is responsible for its high technological importance since ceria serves as a potential material in assorted applications. Changes in the optical, electrical, magnetic, and catalytic behavior of ceria can be brought about by employing different methodologies and reaction conditions.
Shalu Atri   +2 more
openaire   +1 more source

Cerium tetrafluoride. II. The system cerium tetrafluoride-cerium trifluoride

Australian Journal of Chemistry, 1965
A tentative phase diagram has been proposed which shows that the system CeF4-CeF3 is essentially eutectic in character. There is no solid solution in the terminal phases. The melting behaviour of the tetrafluoride is complicated by its volatility and by its decomposition into a fluorine-rich vapour and a fluorine-poor liquid.
WJ Asker, AW Wylie
openaire   +1 more source

Cerium Nanophases from Cerium Ammonium Nitrate

Langmuir
Ceria nanomaterials with facile CeIII/IV redox behavior are used in sensing, catalytic, and therapeutic applications, where inclusion of CeIII has been correlated with reactivity. Understanding assembly pathways of CeO2 nanoparticles (NC-CeO2) in water has been challenged by "blind" synthesis, including rapid assembly/precipitation promoted by heat or ...
Lauren Palys   +11 more
openaire   +2 more sources

Molecular and electronic structures of cerium and cerium suboxide clusters

The Journal of Chemical Physics, 2016
The anion photoelectron (PE) spectra of Ce2Oy− (y = 1, 2), Ce3Oy− (y = 0–4), Ce4Oy− (y = 0–2), and Ce5Oy− (y = 1, 2) are reported and analyzed with supporting results from density functional theory calculations. The PE spectra all exhibit an intense electronic transition to the neutral ground state, all falling in the range of 0.7 to 1.1 eV electron ...
Jared O, Kafader   +2 more
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Isotopic Analysis: Cerium-141 and Cerium-144

Nuclear Science and Engineering, 1958
Cerium-141 and cerium-144 are determined in the presence of each other by performing a suitable cerium chemical separation and then measuring the radiation from each nuclide. Cerium-144 is determined by counting the 3.0-Mev Pr/ sup 144/ beta ray: cerium-141 is determined by integrating beneath the 145-kev gammaray peak observed with a sodium iodide ...
N, NEZU, M, ASANO, S, OUCHI
openaire   +3 more sources

Probing the cerium/cerium hydride interface using nanoindentation

Journal of Alloys and Compounds, 2015
Abstract A cerium hydride site was sectioned and the mechanical properties of the exposed phases (cerium metal, cerium hydride, oxidised cerium hydride) were measured using nanoindentation. An interfacial region under compressive stress was observed in the cerium metal surrounding a surface hydride that formed as a consequence of strain energy ...
Martin Brierley, John Knowles
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Thermodynamic Properties of Cerium Oxalate and Cerium Oxide

Journal of the American Ceramic Society, 1985
Differential scanning calorimetry and thermogravimetry were used to determine the thermodynamic properties of cerium oxalate. Hydrated cerium oxalate was found to contain 13 molecules of water and decomposed producing three thermal events corresponding to the loss of adsorbed water, water of hydration, and decomposition of anhydrous cerium oxalate to ...
SARAH ANN GALLAGHER   +1 more
openaire   +1 more source

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