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Okkyun Seo
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On the electronic structure and hydrogen evolution reaction activity of platinum group metal-based high-entropy-alloy nanoparticles
D Wu, K Kusada, T Yamamoto, T Toriyama, S Matsumura, I Gueye, O Seo, ...
Chemical science 11 (47), 12731-12736, 2020
2912020
Noble-metal high-entropy-alloy nanoparticles: atomic-level insight into the electronic structure
D Wu, K Kusada, Y Nanba, M Koyama, T Yamamoto, T Toriyama, ...
Journal of the American Chemical Society 144 (8), 3365-3369, 2022
2662022
Efficient overall water splitting in acid with anisotropic metal nanosheets
D Wu, K Kusada, S Yoshioka, T Yamamoto, T Toriyama, S Matsumura, ...
Nature communications 12 (1), 1145, 2021
2362021
Tuning of structural, optical band gap, and electrical properties of room-temperature-grown epitaxial thin films through the Fe2O3:NiO ratio
O Seo, A Tayal, J Kim, C Song, Y Chen, S Hiroi, Y Katsuya, T Ina, ...
Scientific reports 9 (1), 4304, 2019
732019
Highly stable and active solid‐solution‐alloy three‐way catalyst by utilizing configurational‐entropy effect
K Kusada, D Wu, Y Nanba, M Koyama, T Yamamoto, XQ Tran, T Toriyama, ...
Advanced Materials 33 (16), 2005206, 2021
602021
Effects of heat-treatment atmosphere and temperature on cobalt species in Co/Al2O3 catalyst for propane dehydrogenation
N Jeon, J Oh, A Tayal, B Jeong, O Seo, S Kim, I Chung, Y Yun
Journal of Catalysis 404, 1007-1016, 2021
562021
Continuous-flow chemical synthesis for sub-2 nm ultra-multielement alloy nanoparticles consisting of group IV to XV elements
H Minamihara, K Kusada, T Yamamoto, T Toriyama, Y Murakami, ...
Journal of the American Chemical Society 145 (31), 17136-17142, 2023
472023
Oxidation of PtNi nanoparticles studied by a scanning X-ray fluorescence microscope with multi-layer Laue lenses
HC Kang, H Yan, YS Chu, SY Lee, J Kim, E Nazaretski, C Kim, O Seo, ...
Nanoscale 5 (16), 7184-7187, 2013
362013
Local geometry and electronic properties of nickel nanoparticles prepared via thermal decomposition of Ni-MOF-74
A Tayal, Y Chen, C Song, S Hiroi, LSR Kumara, N Palina, O Seo, ...
Inorganic chemistry 57 (16), 10072-10080, 2018
312018
Stabilizing the Unstable: Enhancing OER Durability with 3d-Orbital Transition Metal Multielemental Alloy Nanoparticles by Atomically Dispersed 4d-Orbital Pd for a …
B Zhu, S Huang, O Seo, M Cao, D Matsumura, H Gu, D Wu
Journal of the American Chemical Society 147 (13), 11250-11256, 2025
302025
Discovery of face-centred cubic Os nanoparticles
T Wakisaka, K Kusada, T Yamamoto, T Toriyama, S Matsumura, ...
Chemical Communications 56 (3), 372-374, 2020
292020
Non-oxidative propane dehydrogenation over alumina-supported Co-V oxide catalysts
N Jeon, O Seo, J Oh, J Park, I Chung, J Kim, O Sakata, A Tayal, Y Yun
Applied Catalysis A: General 614, 118036, 2021
282021
Correlation between Geometrically Induced Oxygen Octahedral Tilts and Multiferroic Behaviors in BiFeO3 Films
SS Lee, YM Kim, HJ Lee, O Seo, HY Jeong, Q He, AY Borisevich, B Kang, ...
Advanced Functional Materials 28 (19), 1800839, 2018
272018
Reaction-driven formation of anisotropic strains in FeTeSe nanosheets boosts low-concentration nitrate reduction to ammonia
J Liu, Y Xu, R Duan, M Zhang, Y Hu, M Chen, B Han, J Dong, C Lee, ...
Nature Communications 16 (1), 3595, 2025
232025
Lattice constant, bond-orientational order, and solid solubility of PdPt bimetallic nanoparticles
O Seo, J Kim, S Hiroi, C Song, LSR Kumara, A Tayal, Y Chen, ...
Applied Physics Letters 113 (7), 2018
232018
Controlling the alloy composition of PtNi nanocrystals using solid-state dewetting of bilayer films
O Seo, SA Oh, JY Lee, SS Ha, JM Kim, JW Choi, JW Kim, HC Kang, ...
Journal of Alloys and Compounds 667, 141-145, 2016
232016
Real-Time Structural and Electrical Characterization of Metal–Insulator Transition in Strain-Modulated Single-Phase VO2 Wires with Controlled Diameters
MW Kim, SS Ha, O Seo, DY Noh, BJ Kim
Nano Letters 16 (7), 4074-4081, 2016
222016
Computational Discovery of Optimal Dopants for Nickel Iron Oxyhydroxide to Enhance OER Activity and Saline Water Compatibility
H Jung, J Song, Y Lee, HS Jung, KJ Noh, H Im, Y Lee, TY Kim, O Seo, ...
ACS Energy Letters 9, 2162-2172, 2024
212024
Compositional dependence of structures and hydrogen evolution reaction activity of platinum-group-metal quinary RuRhPdIrPt alloy nanoparticles
Y Maruta, K Kusada, D Wu, T Yamamoto, T Toriyama, S Matsumura, ...
Chemical Communications 58 (44), 6421-6424, 2022
212022
Performance improvement of a Ka source by a high-resolution thin-layer-graphite spectrometer and a polycapillary lens
KAJ M. Iqbal, Z. Urrehman, H. Im, J. G. Son, O. Seo, H. Stiel, P. V. Nickles ...
Appl. Phys. B;Laser and Optics 116 (2), 305-311, 2014
212014
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Articles 1–20