Seo Okkyun (Okkyun Seo) - マイポータル

基本情報

J-GLOBAL ID: 201801010065693112
researchmap会員ID: B000343301

研究キーワード

研究分野

経歴

2024年4月 - 現在

公益財団法人高輝度光科学研究センター
2021年4月 - 2024年3月

公益財団法人高輝度光科学研究センター
2017年2月 - 2021年3月

National Institute for Materials Science, Synchrotron X-ray group, Postdoctoral Researcher
2016年9月 - 2016年11月

Gwangju Institute of Science and Technology, Center for Advanced X-ray Science, Postdoctoral Researcher

学歴

2008年3月 - 2016年8月

Gwangju Institute of Science and Technology, School of Materials Science and Engineering, Ph. D

論文

Selective phase growth of ultra-smooth Ti2O3 and TiO2 thin films at low growth temperature controlled by the oxygen partial pressure

Jiayi Tang, Okkyun Seo, Jaemyung Kim, Ibrahima Gueye, L.S.R. Kumara, Ho Jun Oh, Wan-Gil Jung, Won-Jin Moon, Yong Tae Kim, Satoshi Yasuno …

Applied Surface Science Advances 26 100706-100706 2025年3月
A Study on Cu Thin-Film Electroplated TiO2 Photoanodes for Applications in Natural Dye-Sensitized Solar Cells

M. D. P. A. Shakya, K. M. D. C. Jayathilaka, W. T. R. S. Fernando, W. T. M. A. P. K. Wanninayake, L. S. R. Kumara, O. Seo, J. Tang, O. Sakata, W. P. Siripala, R. P. Wijesundera

Crystals 15(1) 28-28 2024年12月29日査読有り
Investigations on the Origin of Topotactic Phase Transition of LaCoO₃ Thin Films with In Situ XRD and Ambient Pressure Hard X-ray Photoelectron Spectroscopy

Hyunsuk Shin, Youngmin Yun, Okkyun Seo, Seongeun Kim, Minsik Seo, Dongwoo Kim, Hojoon Lim, Hojun Oh, Subin Jang, Kyungmin Kim …

ACS Applied Materials & Interfaces 17(1) 1499-1508 2024年12月27日査読有り
Atomic behaviors in PdRu solid-solution nanoparticles on CeO2-ZrO2 support for the three-way catalytic reaction

Okkyun Seo, Akhil Tayal, Jaemyung Kim, Kohei Kusada, Tomokazu Yamamoto, Jiayi Tang, Satoshi Hiroi, Chulho Song, Katsutoshi Sato, Katsutoshi Nagaoka …

Materials Today Catalysis 7 100078-100078 2024年12月査読有り筆頭著者責任著者
Mn doped hierarchical water splitting electrocatalyst: Synthesis, surface analysis and application to AEMWE

Sehun Oh, Hyogyun Roh, Hyeonae Im, Okkyun Seo, Yasumasa Takagi, Takeshi Watanabe, Jeong Woo Han, Kijung Yong

Chemical Engineering Journal 500 157106-157106 2024年11月査読有り
Cu2O Homojunction Solar Cells: Efficiency Enhancement with a High Short Circuit Current

S. A. A. B. Thejasiri, K. M. D. C. Jayathilaka, F. S. B. Kafi, L. S. R. Kumara, O. Seo, S. Yasuno, O. Sakata, W. Siripala, R. P. Wijesundera

Coatings 14(8) 932-932 2024年7月25日査読有り
P-modified Pt/Al2O3 catalysts for selective propane dehydrogenation

Jungmok Oh, Namgi Jeon, Iljun Chung, Okkyun Seo, Jisu Park, Akhil Tayal, Yongju Yun

Applied Catalysis A: General 681 119783-119783 2024年7月査読有り
Computational Discovery of Optimal Dopants for Nickel Iron Oxyhydroxide to Enhance OER Activity and Saline Water Compatibility

Hyeonjung Jung, Jihyeon Song, Yechan Lee, Han Sol Jung, Kyung-Jong Noh, Hyeonae Im, Yoojin Lee, Tae Yong Kim, Okkyun Seo, Takeshi Watanabe …

ACS Energy Letters 9(5) 2162-2172 2024年4月12日査読有り
Snowflake relocated Cu₂O electrocatalyst on an Ag backbone template for the production of liquid C₂₊ chemicals from CO₂

Youjin Lee, Minjun Choi, Sooan Bae, Akhil Tayal, Okkyun Seo, Hojoon Lim, Kug-Seung Lee, Jae Hyuck Jang, Beomgyun Jeong, Jaeyoung Lee

Dalton Transactions 53(19) 8328-8334 2024年4月査読有り
First synthesis of RuSn solid-solution alloy nanoparticles and their enhanced hydrogen evolution reaction activity

Xin Zhou, Megumi Mukoyoshi, Kohei Kusada, Tomokazu Yamamoto, Takaaki Toriyama, Yasukazu Murakami, Shogo Kawaguchi, Yoshiki Kubota, Okkyun Seo, Osami Sakata …

Chemical Science 15(20) 7560-7567 2024年査読有り
Effect of Mo content on oxidative dehydrogenation of propane with CO2 over ZnOx catalysts supported on Mo–Zr mixed–oxides

Iljun Chung, Hyunjun Jeong, Dongmin Lee, Jungmok Oh, Okkyun Seo, Akhil Tayal, Yongju Yun

Catalysis Today 425 114340-114340 2024年1月査読有り
Development of hard x-ray photoelectron spectroscopy using synchrotron radiation x-ray up to 30 keV

Satoshi Yasuno, Okkyun Seo, Yasumasa Takagi, Tappei Nishihara

Review of Scientific Instruments 94(11) 2023年11月1日査読有り
Short-range positional order in phase separated indium gallium oxide islands deposited in a reducing atmosphere

Su Yeon Cha, Sukjune Choi, Dongwoo Kim, Okkyun Seo, Bongjin Simon Mun, Do Young Noh, Hyon Chol Kang

Applied Surface Science 637 157943-157943 2023年11月査読有り
Persistent Homology and Bond Orientational Order in Ir–Cu Solid-Solution Alloy Nanoparticles: Implications for Electrocatalysts

Loku Singgappulige Rosantha Kumara, Okkyun Seo, Jaemyung Kim, Fenglong Wang, Yanna Chen, Ibrahima Gueye, Chulho Song, Koji Ohara, Kohei Kusada, Hiroshi Kitagawa …

ACS Applied Nano Materials 6(18) 16653-16661 2023年9月6日査読有り
Continuous-Flow Chemical Synthesis for Sub-2 nm Ultra-Multielement Alloy Nanoparticles Consisting of Group IV to XV Elements

Hiroki Minamihara, Kohei Kusada, Tomokazu Yamamoto, Takaaki Toriyama, Yasukazu Murakami, Syo Matsumura, Loku Singgappulige Rosantha Kumara, Osami Sakata, Shogo Kawaguchi, Yoshiki Kubota …

Journal of the American Chemical Society 145(31) 17136-17142 2023年7月20日査読有り
Control of atomic ordering of LiNiO2 thin films on a sapphire substrate from rock-salt to layered structure using uniaxial compression

Okkyun Seo, Jaemyung Kim, Jiayi Tang, L.S.R. Kumara, Koji Kimoto, Kazushi Miki, Akifumi Matsuda, Mamoru Yoshimoto, Osami Sakata

Journal of Alloys and Compounds 945 169177-169177 2023年6月査読有り筆頭著者責任著者
Analysis of Iodide Transport on Methyl Ammonium Lead Iodide Perovskite Solar Cell Structure Through Operando Hard X-ray Photoelectron Spectroscopy

Ibrahima Gueye, Yasuhiro Shirai, Takahiro Nagata, Takashi Tsuchiya, Dhruba B. Khadka, Masatoshi Yanagida, Okkyun Seo, Kenjiro Miyano, Osami Sakata

Chemistry of Materials 35(5) 1948-1960 2023年2月22日
Behavior of the monoclinic order in VO2 thin films grown on sapphire near the metal-insulator transition

Sung Soo Ha, Sukjune Choi, Ho Jun Oh, Yesul Choi, Ouyoung Kwon, Yong-Ryun Jo, In Hwa Cho, Jaemyung Kim, Okkyun Seo, Jin-Woo Kim …

Applied Surface Science 595 153547-153547 2022年9月査読有り
Suppression of Charging Effect of Insulating Materials in Hard X-ray Photoelectron Spectroscopy

Satoshi Yasuno, Okkyun Seo, L. S. R. Kumara

e-Journal of Surface Science and Nanotechnology 20(3) 180-185 2022年6月9日
Hydrogen absorption and diffusion behaviors in cube-shaped palladium nanoparticles revealed by ambient-pressure X-ray photoelectron spectroscopy

Jiayi Tang, Okkyun Seo, David S. Rivera Rocabado, Takanori Koitaya, Susumu Yamamoto, Yusuke Nanba, Chulho Song, Jaemyung Kim, Akitaka Yoshigoe, Michihisa Koyama …

Applied Surface Science 587 152797-152797 2022年6月査読有り責任著者

もっとみる

MISC

機械学習を用いた高活性多元素ナノ合金触媒の探索

丸田悠斗, 草田康平, 草田康平, 山本知一, 鳥山誉亮, 村上恭和, 村上恭和, SEO Okkyun, 坂田修身, 河口彰吾 …

ナノ学会大会講演予稿集 21st (Web) 2023年
機械学習を用いた電気化学的水素発生反応における高活性多元素ナノ合金触媒の探索

丸田悠斗, 草田康平, 草田康平, 山本知一, 鳥山誉亮, 村上恭和, SEO Okkyun, 坂田修身, 河口彰吾, 久保田佳基 …

触媒討論会予稿集(CD-ROM) 132nd 2023年
SPring-8BL46XUにおける硬X線光電子分光計測技術の進展

安野聡, 高木康多, 保井晃, OKKYUN Seo, 大坂泰斗, 菅原道泰, 仙波泰徳, 仙波泰徳, 山崎裕史, 山崎裕史 …

応用物理学会秋季学術講演会講演予稿集(CD-ROM) 84th 2023年
白金族5元系合金ナノ粒子の構造・特性の組成依存性

丸田悠斗, 草田康平, 草田康平, 草田康平, WU Dongshuang, 山本知一, 鳥山誉亮, 松村晶, 松村晶, SEO Okkyun …

ナノ学会大会講演予稿集 20th 2022年
Correlation between the electronic/local structure and CO-oxidation activity of PdxRu1-x alloy nanoparticles (vol 1, pg 546, 2019)

Chulho Song, Akhil Tayal, Okkyun Seo, Jaemyung Kim, Yanna Chen, Satoshi Hiroi, L. S. R. Kumara, Kohei Kusada, Hirokazu Kobayashi, Hiroshi Kitagawa …

NANOSCALE ADVANCES 1(2) 895-895 2019年2月

講演・口頭発表等

Upgrade status of the dedicated HAXPES beamline at the BL46XU of SPring-8

Okkyun Seo

The 67th KVS SUMMER ANNUAL CONFERENCE & IFFM 2024 2024年8月20日招待有り
Introduction of the newly upgraded HAXPES beamline at BL46XU of SPring-8

Okkyun Seo

HAXPES2024 2024年6月7日
Catalytic atomic behaviors in bimetallic PdRu nanoparticles under CO oxidation conditions

Okkyun Seo, Jiayi Tang, Kohei Kusada, Hiroshi Kitagawa, Osami Sakata

Natural Gas Conversion Symposium 13 2024年4月22日招待有り
Oxidation/reduction behaviors of PdRu solid-solution nanoparticles under three-way catalytic reaction conditions

Okkyun Seo, Akhil Tayal, Jaemyung Kim, Kohei Kusada, Jiayi Tang, Hirokazu Kobayashi, Hiroshi Kitagawa, Osami Sakata

Materials Research Meeting 2021 2021年12月15日
Hard X-ray photoelectron spectroscopy at BL46XU beamline of SPring-8: present and the future

The 12th International Conference on Advanced Materials and Devices 2021年12月8日招待有り
Effect of Heavy Doping of Aliovalent Cations on Structure and Thermoelectric Properties of NiO-Based Epitaxial Thin Films

A. Matsuda, Y. Shinozaki, O. Seo, O. Sakata, S. Kaneko, Y. Kimura, M. Yoshimoto

2019 MRS fall meeting & exhibit 2019年12月
Investigation of three-way catalytic reaction of Pd-Ru solid-solution nanoparticles on CeO2-ZrO2 support

Okkyun Seo, Akhil Tayal, Jaemyung Kim, Kohei Kusada, Satoshi Hiroi, Hiroshi Kitagawa, Osami Sakata

The 11th International Conference on Advanced Materials and Devices 2019年12月
Room-temperature epitaxy and optoelectronic properties of heavily doped NiO thin films

A. Matsuda, O. Seo, O.Sakata, S. Kaneko, M. Yoshimoto

13th Pacific Rim Conference of Ceramic Societies 2019年10月
Lattice-plane orientation mapping of 2-inch homo-epitaxial GaN (0001) thin films by grazing incident x-ray diffraction topography

KIM Jaemyung, SEO Okkyun, SONG Chulho, HIROI Satoshi, CHEN Yanna, IROKAWA Yoshihiro, NABATAME Toshihide, KOIDE Yasuo, SAKATA Osami

International Workshop on Nitride Semiconductors 2018 2018年11月
In-situ ambient-pressure X-ray photoelectron spectroscopy studies of hydrogen adsorption on Pd cube nanoparticles

Okkyun Seo, Jiayi Tang, Susumu Yamamoto, Takanori Koitaya, Iwao Matusda, Hirokazu Kobayashi, Hiroshi Kitagawa, Jun Yoshinobu, Osami Sakata

14th International Conference on Electronic Spectroscopy and Structure 2018年10月
Hydrogen adsorption and desorption on Rh nanoparticles studied by in-situ XAFS using dispersive optics

SONG Chulho, SEO Okkyun, HIROI Satoshi, KIM Jaemyung, CHEN Yanna, TAYAL Akhil, SAKATA Osami, MATSUMURA Daiju, CUI Yi-Tao, KUSADA Kohei, KOBAYASHI Hirokazu, KITAGAWA Hiroshi

17th International Conference on X-ray Absorption Fine Structure 2018年7月
Synchrotron-Based X-Ray Characterization of Metal Nanoparticles and Semiconductor Crystals

SAKATA Osami, SONG ChulHo, SEO Okkyun, KIM Jaemyung, HIROI Satoshi, CHEN Yanna, TAYAL Akhil

2018 Japan-Germany Joint Symposium on Advanced Catalytic Material and Characterization 2018年6月
Electronic states and atomic arrangements of functional nanoparticles obtained from synchrotron-based x-ray characterization

SAKATA Osami, LOKU SINGGAPPULIGE Rosantha Kumara, SONG ChulHo, CHEN Yanna, SEO Okkyun, KUSADA Kouhei, KOBAYASHI Hirokazu, KITAGAWA Hiroshi

EMN Summit 2017 2017年10月招待有り
Stacking fault density and bond orientational order of fcc ruthenium nanoparticles

SEO Okkyun, SAKATA Osami, KIM Jaemyung, HIROI Satoshi, SONG ChulHo, LOKU SINGGAPPULIGE Rosantha Kumara, OHARA Koji, DEKURA Shun, KUSADA Kouhei, KOBAYASHI Hirokazu, KITAGAWA Hiroshi

EMN Summit 2017 2017年10月

所属学協会

共同研究・競争的資金等の研究課題

非長周期系の新奇ナノ粒子や薄膜の原子配列構造の解析

日本学術振興会科学研究費助成事業基盤研究(C) 2015年4月 - 2019年3月

坂田修身, 廣井慧

Seo Okkyun

基本情報

研究キーワード

研究分野

経歴

学歴

論文

MISC

講演・口頭発表等

所属学協会

共同研究・競争的資金等の研究課題

メニュー

共著者の一覧