Highly Active Nanoperovskite Catalysts for Oxygen Evolution Reaction: Insights into Activity and Stability of Ba0.5Sr0.5Co0.8Fe0.2O2+δ and PrBaCo2O5+δ
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201804355
Abstract: It is shown that producing PrBaCo2O5 and Ba0.5Sr0.5Co0.8Fe0.2O3 nanoparticle by a scalable synthesis method leads to high mass activities for the oxygen evolution reaction with outstanding improvements by 10 and 50 times, respectively, compared to… read more here.
Keywords: evolution; oxygen evolution; ba0 5sr0; 5sr0 5co0 ... See more keywords
Enhanced dielectric properties of highly dense Ba0.5Sr0.5TiO3 ceramics via non-toxic gelcasting
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-020-04336-0
Abstract: In this paper, a non-toxic water-soluble copolymer of isobutene and maleic anhydride (Isobam) was used for gelcasting of Ba0.5Sr0.5TiO3 (abbreviated as BST50) ceramics as both dispersant and gelling agent. The rheological properties and gelation behavior… read more here.
Keywords: non toxic; 5sr0 5tio3; properties highly; dielectric properties ... See more keywords
Dielectric and energy-storage performance of Ba0.5Sr0.5TiO3-SiO2 ceramic-glass composites
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.02.173
Abstract: Abstract Ba0.5Sr0.5TiO3 (BST) nanoparticles coated with SiO2 were used as the starting material to prepare BST-xSiO2 (x = 0, 1.0, 2.0, 3.0, 4.0 and 5.0 wt%) ceramic-glass composites. The coated SiO2 results in the sintered composites with a… read more here.
Keywords: 5sr0 5tio3; ceramic glass; ba0 5sr0; dielectric energy ... See more keywords
Temperature-dependent phase transition: Structural and magnetic properties of Ba0.5Sr0.5Fe12O19-CoFe2O4 nanocomposites
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Physics and Chemistry of Solids"
DOI: 10.1016/j.jpcs.2018.12.004
Abstract: Abstract Ba0.5Sr0.5Fe12O19(hard)-CoFe2O4(soft) nanocomposite ferrites synthesized using the citrate-gel combustion method was subjected to different annealing temperatures (Ta) (700 °C, 800 °C, 900 °C, and 1000 °C), and the resultant structural and magnetic properties were investigated. The microstructural characterization of… read more here.
Keywords: structural magnetic; 5sr0 5fe12o19; cofe2o4; magnetic properties ... See more keywords
Cerium induced Raman spectra of (Ba0.5Sr0.5)(Fe1-xCex)O3-δ (x = 0 - 1)
Sign Up to like & getrecommendations! Published in 2020 at "Materials Chemistry and Physics"
DOI: 10.1016/j.matchemphys.2019.122378
Abstract: Abstract The effect of cerium insertion in sol-gel derived (Ba0.5Sr0.5)(Fe1-xCex)O3-δ (x = 0 – 1) powders has been investigated by Raman spectroscopy and findings correlated with crystalline phases present. A perovskite-type (ABO3) cubic phase of composition (x = 0)… read more here.
Keywords: cerium; 5sr0 fe1; ba0 5sr0; fe1 xcex ... See more keywords
Dielectric tunable properties of Ba0.5Sr0.5TiO3−Mg2TiO4−MgO composite ceramics prepared by spark plasma sintering
Sign Up to like & getrecommendations! Published in 2019 at "Materialia"
DOI: 10.1016/j.mtla.2019.100217
Abstract: Abstract Ba0.5Sr0.5TiO3−Mg2TiO4−MgO composite ceramics were prepared by spark plasma sintering (SPS) technique and their phase composition, microstructures and dielectric tunable properties were studied. With increasing Mg2TiO4−MgO content, the dielectric peaks of Ba0.5Sr0.5TiO3−Mg2TiO4−MgO composite ceramics were… read more here.
Keywords: mg2tio4 mgo; mg2tio4; 5tio3 mg2tio4; ba0 5sr0 ... See more keywords
A study on the spectral, microstructural, and magnetic properties of Eu-Nd double-substituted Ba0.5Sr0.5Fe12O19 hexaferrites synthesized by an ultrasonic-assisted approach.
Sign Up to like & getrecommendations! Published in 2019 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2019.104847
Abstract: In this study, an examination on the spectral, microstructural, and magnetic characteristics of Eu-Nd double-substituted Ba0.5Sr0.5Fe12O19 hexaferrites (Ba0.5Sr0.5NdxEuxFe12-2xO19 (x = 0.00-0.05) HFs) fabricated by an ultrasonic-assisted approach has been presented. An UZ SONOPULS HD 2070 ultrasonic homogenizer… read more here.
Keywords: double substituted; microstructural magnetic; substituted ba0; magnetic properties ... See more keywords
Suppressing the Surface Amorphization of Ba0.5Sr0.5Co0.8Fe0.2O3-δ Perovskite toward Oxygen Catalytic Reactions by Introducing the Compressive Stress.
Sign Up to like & getrecommendations! Published in 2023 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.3c00158
Abstract: Ba0.5Sr0.5Co0.8Fe0.2O3-δ (BSCF) perovskite has been recognized as a promising oxygen evolution reaction (OER) catalyst due to its superior intrinsic catalytic activity. However, BSCF suffers from serious degradation during the OER process due to its surface… read more here.
Keywords: ba0 5sr0; bscf; 5sr0 5co0; oxygen ... See more keywords
Progress in Ce0.8Gd0.2O2−δ protective layers for improving the CO2 stability of Ba0.5Sr0.5Co0.8Fe0.2O3−δ O2-transport membranes
Sign Up to like & getrecommendations! Published in 2020 at "Sustainable Energy and Fuels"
DOI: 10.1039/d0se00324g
Abstract: Ce0.8Gd0.2O2−δ (CGO) thin films were deposited by radio frequency (RF) magnetron sputtering and deposition temperature was changed in order to optimize the microstructure and transport properties of the obtained films. Afterwards, the films were deposited… read more here.
Keywords: 8gd0 2o2; 5co0 8fe0; ce0 8gd0; ba0 5sr0 ... See more keywords
Solvent-deficient synthesis of nanocrystalline Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3- δ powder
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DOI: 10.2298/pac1804342z
Abstract: Nanocrystalline Ba0.5Sr0.5Co0.8Fe0.2O3-δ powders were prepared by a cost-effective solvent-deficient method using metal nitrates and ammonium bicarbonate as precursors. X-ray diffraction (XRD), specific surface determination (BET), thermal analyses (TG-DTA-DSC), dynamic light scattering (DLS) and scanning electron… read more here.
Keywords: 8fe0 2o3; 5co0 8fe0; solvent deficient; ba0 5sr0 ... See more keywords
Distribution of Relaxation Times and Equivalent Circuits Analysis of Ba0.5Sr0.5Co0.8Fe0.2O3−δ
Sign Up to like & getrecommendations! Published in 2019 at "Catalysts"
DOI: 10.3390/catal9050441
Abstract: The phenomena taking place in Ba0.5Sr0.5Co0.8Fe0.2O3−δ (BSCF) as cathodic material in solid oxide fuel cells are investigated by electrochemical impedance spectroscopy. BSCF powders are prepared by solution combustion synthesis. Measurements are collected at different temperatures,… read more here.
Keywords: relaxation times; distribution relaxation; 8fe0 2o3; 5co0 8fe0 ... See more keywords