Concurrent Amorphization and Nanocatalyst Formation in Cu‐Substituted Perovskite Oxide Surface: Effects on Oxygen Reduction Reaction at Elevated Temperatures
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202404103
Abstract: The activity and durability of chemical/electrochemical catalysts are significantly influenced by their surface environments, highlighting the importance of thoroughly examining the catalyst surface. Here, Cu‐substituted La0.6Sr0.4Co0.2Fe0.8O3‐δ is selected, a state‐of‐the‐art material for oxygen reduction reaction… read more here.
Keywords: reduction reaction; elevated temperatures; surface; reduction ... See more keywords
Atomic‐Scale Study of Dead Layers in Epitaxial Perovskite Dielectric Thin Films with Oxide and Metal Top Electrodes
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Electronic Materials"
DOI: 10.1002/aelm.202300773
Abstract: Perovskite‐oxide‐based capacitors, which exhibit high charge storage capacity, have attracted considerable attention as a potential candidate for overcoming the limitations of nanoscale integration. Unfortunately, a dead layer forms in these capacitors at the interface between… read more here.
Keywords: layer; perovskite oxide; dead layer; atomic scale ... See more keywords
Development of Perovskite Oxide-Based Electrocatalysts for Oxygen Evolution Reaction.
Sign Up to like & getrecommendations! Published in 2021 at "Small"
DOI: 10.1002/smll.202101605
Abstract: Perovskite oxides are studied as electrocatalysts for oxygen evolution reactions (OER) because of their low cost, tunable structure, high stability, and good catalytic activity. However, there are two main challenges for most perovskite oxides to… read more here.
Keywords: electrocatalysts oxygen; oxygen evolution; oxide based; perovskite oxide ... See more keywords
Manipulating Electrocatalytic Activity of Perovskite Oxide Through Electrochemical Treatment.
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DOI: 10.1002/smll.202107131
Abstract: Perovskite oxides are widely used in electrochemical cells, profiting from their excellent accommodation of different elements and structure stability. Here, it is reported that when rapidly exceeding the electrochemical stability window of a perovskite oxide… read more here.
Keywords: oxide electrochemical; electrochemical treatment; electrocatalytic activity; treatment ... See more keywords
Toward Superb Perovskite Oxide Electrocatalysts: Engineering of Coupled Nanocomposites.
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DOI: 10.1002/smll.202204784
Abstract: A significant issue that bedeviled the commercialization of renewable energy technologies, ranging from low-temperature water electrolyzers to high-temperature solid oxide cells, is the lack of high-performance catalysts. Among various candidates that could tackle such a… read more here.
Keywords: toward superb; perovskite oxides; perovskite oxide; superb perovskite ... See more keywords
Embedding Ru Clusters and Single Atoms into Perovskite Oxide Boosts Nitrogen Fixation and Affords Ultrahigh Ammonia Yield Rate.
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DOI: 10.1002/smll.202208102
Abstract: Ammonia is a key chemical feedstock worldwide. Compared with the well-known Haber-Bosch method, electrocatalytic nitrogen reduction reaction (ENRR) can eventually consume less energy and have less CO2 emission. In this study, a plasma-enhanced chemical vapor… read more here.
Keywords: yield rate; perovskite oxide; embedding clusters; single atoms ... See more keywords
Strain Engineering: Perfecting Freestanding Perovskite Oxide Fabrication.
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DOI: 10.1002/smll.202310782
Abstract: Freestanding oxide membranes provide a promising path for integrating devices on silicon and flexible platforms. To ensure optimal device performance, these membranes must be of high crystal quality, stoichiometric, and their morphology free from cracks… read more here.
Keywords: freestanding perovskite; perfecting freestanding; engineering; engineering perfecting ... See more keywords
Realization of single terminated surface of perovskite oxide single crystals and their band profile: (LaAlO3)(0.3)(Sr2AlTaO6)(0.7), SrTiO3 and KTaO3 case study
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2017.08.101
Abstract: Abstract To characterize the physical properties of thin films without ambiguity and design interface with new functionalities, it is essential to have detailed knowledge of physical properties and appropriate estimation of the band profile of… read more here.
Keywords: surface; perovskite oxide; band profile; single terminated ... See more keywords
Cubic PbGeO3 perovskite oxide: A compound with striking electronic, thermoelectric and optical properties, explored using DFT studies
Sign Up to like & getrecommendations! Published in 2021 at "Computational Condensed Matter"
DOI: 10.1016/j.cocom.2020.e00532
Abstract: Abstract An in-detail study of cubic structured perovskite oxide, PbGeO3 has been performed using first principles calculations to speculate its structural, electronic, thermoelectric and optical characteristics. We have employed different exchange functionals to accurately compute… read more here.
Keywords: electronic thermoelectric; thermoelectric optical; cubic pbgeo3; optical properties ... See more keywords
Degradation efficiency of methyl orange dye by La0.5Sr0.5CoO3 perovskite oxide under dark and UV irradiated conditions
Sign Up to like & getrecommendations! Published in 2020 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2020.108743
Abstract: Abstract Perovskite oxides have attracted much attention to oxidize and remove effectively several organic pollutants from wastewater. In this work, we report a perovskite oxide La0.5Sr0.5CoO3 (LSCO) for the degradation of methyl orange (MO), a… read more here.
Keywords: degradation; 5sr0 5coo3; perovskite oxide; methyl orange ... See more keywords
Strontium-doped perovskite oxide La1-xSrxMnO3 (x = 0, 0.2, 0.6) as a highly efficient electrocatalyst for nonaqueous Li-O2 batteries
Sign Up to like & getrecommendations! Published in 2017 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2017.02.155
Abstract: Strontium (Sr)-doped perovskite oxide La1-xSrxMnO3 (x = 0, 0.2, 0.6) composites are prepared by sol-gel process assisted with chelating effect of citric acid, which was used as catalysts for oxygen cathode in rechargeable lithium−air batteries.… read more here.
Keywords: la1; doped perovskite; la1 xsrxmno3; perovskite oxide ... See more keywords