Search Results - "Jeong, Hyeongwon"
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Nanoparticle Exsolution on Perovskite Oxides: Insights into Mechanism, Characteristics and Novel Strategies
Published in Nano-micro letters (01-12-2024)“…Highlights Fundamental mechanisms in terms of driving force, material design, and exsolution processes are outlined, and novel behaviors of socketing and…”
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Surface decorated La0.43Ca0.37Ni0.06Ti0.94O3−d as an anode functional layer for solid oxide fuel cell applications
Published in The Korean journal of chemical engineering (01-08-2020)“…Surface decorated La 0.43 Ca 0.37 Ni 0.06 Ti 0.94 O 3− d (LCNT) perovskite oxide was investigated as an anode functional layer (AFL) for anode-supported solid…”
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Shape-shifting nanoparticles on a perovskite oxide for highly stable and active heterogeneous catalysis
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (01-08-2022)“…[Display omitted] •A titanate-based perovskite oxide was designed to achieve and control exsolution.•Controlled exsolution induces shape-shifting of Ni,…”
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In-situ prepared co exsolution nano catalyst for efficient hydrogen generation via ammonia decomposition
Published in Solid state ionics (01-11-2024)“…Active and durable catalytic material for ammonia (NH3) decomposition reaction is attracting attentions for utilization of NH3 as an innovative hydrogen…”
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In Situ Exsolution Catalyst: An Innovative Approach to Develop Highly Selective and Sensitive Gas Sensors
Published in ACS applied materials & interfaces (27-04-2022)“…The gas sensing characteristics of oxide semiconductors can be enhanced by loading noble metal or metal oxide catalysts. The uniform distribution of nanoscale…”
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Surface exsolved NiFeOx nanocatalyst for enhanced alkaline oxygen evolution catalysis
Published in Applied surface science (30-07-2024)“…[Display omitted] •Surface exsolved nano NiFeOX catalyst is prepared on a perovskite surface via in-situ exsolution method.•The Ni and Fe co-doping enabled the…”
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Emerging Exsolution Materials for Diverse Energy Applications: Design, Mechanism, and Future Prospects
Published in Chemistry of materials (23-05-2023)“…Nanostructured catalytic materials are considered to be a favorable design concept for various energy conversion and storage systems. Nanosized metal catalysts…”
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Determination of the rate-determining step of the oxygen reduction reaction of La0.8Sr0.2MnO3(LSM)- 8mol% yttria-stabilized zirconia(YSZ): Composition and microstructure
Published in Ceramics international (15-01-2021)“…In this study, LSM-YSZ composite cathodes were analyzed by changing the firing temperature, composition, and operating temperature to determine the…”
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Optimizing Reversible Exsolution and Phase Transformation in Double Perovskite Sr2Fe1.5-xCoxMo0.5O6-δ Electrodes for High-Performance Symmetric Solid Oxide Cells
Published in Small (Weinheim an der Bergstrasse, Germany) (09-09-2024)“…Double perovskite (DP) oxides are promising electrode materials for symmetric solid oxide cells (SSOCs) due to their excellent electrochemical activity and…”
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Development of robust YSZ thin-film electrolyte by RF sputtering and anode support design for stable IT-SOFC
Published in Ceramics international (15-10-2023)“…Thin-film solid oxide fuel cells (TF-SOFCs) have attracted attention as a strategy for lowering the operating temperature of SOFCs. However, the porous and…”
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Exsolution Modeling and Control to Improve the Catalytic Activity of Nanostructured Electrodes
Published in Advanced materials (Weinheim) (01-04-2023)“…In situ exsolution for nanoscale electrode design has attracted considerable attention because of its promising activity and high stability. However,…”
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Exsolution of phase-separated nanoparticles via trigger effect toward reversible solid oxide cell
Published in Applied energy (01-10-2022)“…•Cu and Fe-doped perovskites are explored as electrode for a reversible SOCs.•Pre-exsolved Cu played a key role in triggering Fe exsolution via seeded…”
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Optimizing Reversible Exsolution and Phase Transformation in Double Perovskite Sr 2 Fe 1.5-x Co x Mo 0.5 O 6-δ Electrodes for High-Performance Symmetric Solid Oxide Cells
Published in Small (Weinheim an der Bergstrasse, Germany) (09-09-2024)“…Double perovskite (DP) oxides are promising electrode materials for symmetric solid oxide cells (SSOCs) due to their excellent electrochemical activity and…”
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