Conversion of Catalytically Inert 2D Bismuth Oxide Nanosheets for Effective Electrochemical Hydrogen Evolution Reaction Catalysis via Oxygen Vacancy Concentration Modulation
Sign Up to like & getrecommendations! Published in 2022 at "Nano-Micro Letters"
DOI: 10.1007/s40820-022-00832-6
Abstract: Catalytically inert 2D Bi 2 O 3 is activated for boosting electrochemical hydrogen evolution reaction (HER) via oxygen vacancy concentration modulation. The relationship between the varied oxygen vacancy concentrations and the corresponding HER activity is… read more here.
Keywords: catalytically inert; vacancy concentration; oxygen vacancy; oxygen ... See more keywords
Visible light driven selective oxidation of amines to imines with BiOCl: Does oxygen vacancy concentration matter?
Sign Up to like & getrecommendations! Published in 2018 at "Applied Catalysis B: Environmental"
DOI: 10.1016/j.apcatb.2018.01.018
Abstract: Abstract The relationship between oxygen vacancy (OV) concentration of semiconductors and their photocatalytic performances is far from clarified. In this study, by tuning the OV concentration of BiOCl (001) surface via a novel H2O2 treatment… read more here.
Keywords: oxygen; oxygen vacancy; vacancy concentration; oxidation amines ... See more keywords
Tuning the Vacancy Concentration in Lithium Germanium Antimony Tellurides—Influence on Phase Transitions, Lithium Mobility, and Thermoelectric Properties
Sign Up to like & getrecommendations! Published in 2018 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.8b03609
Abstract: In the solid solution series Li2–xGe3+1/2xSb2Te7 and Li2–xGe11+1/2xSb2Te15 (0 ≤ x ≤ 2), the heterovalent substitution gradually changes the vacancy concentration on the cation position from 0% (for... read more here.
Keywords: concentration lithium; vacancy concentration; vacancy; tuning vacancy ... See more keywords
Enhanced Proton Conduction with Low Oxygen Vacancy Concentration and Favorable Hydration for Protonic Ceramic Fuel Cells Cathode.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c19343
Abstract: Protonic ceramic fuel cells (PCFCs), as an efficient energy storage and conversion device, have great potential to solve the serious problems of energy shortage and environmental pollution. Improving the proton conductivity of the promising cathode… read more here.
Keywords: oxygen vacancy; fuel; oxygen; cathode ... See more keywords
Correlations between Oxygen Uptake and Vacancy Concentration in Pr-Doped CeO2
Sign Up to like & getrecommendations! Published in 2017 at "ACS Omega"
DOI: 10.1021/acsomega.7b00550
Abstract: The oxygen uptake of a series of Pr–CeO2 materials was measured using thermogravimetric analysis at 420 and 600 °C, and at both temperatures, 20% Pr–CeO2 was found to have the highest uptake. The materials were… read more here.
Keywords: concentration; oxygen uptake; vacancy concentration; spectroscopy ... See more keywords
Breakdown of Arrhenius law of temperature-dependent vacancy concentration in fcc lanthanum
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.134105
Abstract: We measured the temperature dependent equilibrium vacancy concentration using in-situ positron annihilation spectroscopy in order to determine the enthalpy $H_\text{f}$ and entropy $S_\text{f}$ of vacancy formation in elementary fcc-La. The Arrhenius law applied for the… read more here.
Keywords: vacancy concentration; text; text text; arrhenius law ... See more keywords
Effects of Vacancy Concentration and Temperature on Mechanical Properties of Single-Crystal γ-TiAl Based on Molecular Dynamics Simulation
Sign Up to like & getrecommendations! Published in 2018 at "High Temperature Materials and Processes"
DOI: 10.1515/htmp-2016-0156
Abstract: Abstract Molecular dynamics simulation is used to analyze tensile strength and elastic modulus under different temperatures and vacancy concentrations. The effects of temperature and vacancy concentration on the mechanical properties of γ-TiAl alloy are investigated.… read more here.
Keywords: temperature; vacancy concentration; molecular dynamics; vacancy ... See more keywords