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

2021年4月 - 現在

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

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
Phase Control of Solid-Solution Nanoparticles beyond the Phase Diagram for Enhanced Catalytic Properties

Dongshuang Wu, Kohei Kusada, Susan Meñez Aspera, Hiroshi Nakanishi, Yanna Chen, Okkyun Seo, Chulho Song, Jaemyung Kim, Satoshi Hiroi, Osami Sakata …

ACS Materials Au 2(2) 110-116 2022年3月9日査読有り
Noble-Metal High-Entropy-Alloy Nanoparticles: Atomic-Level Insight into the Electronic Structure

Dongshuang Wu, Kohei Kusada, Yusuke Nanba, Michihisa Koyama, Tomokazu Yamamoto, Takaaki Toriyama, Syo Matsumura, Okkyun Seo, Ibrahima Gueye, Jaemyung Kim …

Journal of the American Chemical Society 144(8) 3365-3369 2022年3月2日査読有り
Electronic states of gallium oxide epitaxial thin films and related atomic arrangement

Yanna Chen, Osami Sakata, Hiroyuki Morita, Akifumi Matsuda, Fanhao Jia, Okkyun Seo, Loku Singgappulige Rosantha Kumara, Toshiaki Ina, Eiichi Kobayashi, Jaemyung Kim …

Applied Surface Science 578 151943-151943 2022年3月査読有り
Polar-axis-oriented epitaxial tetragonal (Bi,K)TiO3 films with large remanent polarization deposited below Curie temperature by a hydrothermal method

Yoshiharu Ito, Akinori Tateyama, Rurika Kubota, Takahisa Shiraishi, Takao Shimizu, Jaemyung Kim, Okkyun Seo, Osami Sakata, Minoru Kurosawa, Hiroshi Funakubo

Applied Physics Letters 120(2) 022903-022903 2022年1月10日査読有り
Near-UV light emitting diode with on-chip photocatalysts for purification applications

Young-Chul Leem, NoSoung Myoung, Sang-Hyun Hong, Sehee Jeong, Okkyun Seo, Seong-Ju Park, Sang-Youp Yim, Joon Heon Kim

Nanoscale Advances 4(17) 3585-3591 2022年
Compositional dependence of structures and hydrogen evolution reaction activity of platinum-group-metal quinary RuRhPdIrPt alloy nanoparticles

Yuto Maruta, Kohei Kusada, Dongshuang Wu, Tomokazu Yamamoto, Takaaki Toriyama, Syo Matsumura, Okkyun Seo, Satoshi Yasuno, Shogo Kawaguchi, Osami Sakata …

Chemical Communications 58(44) 6421-6424 2022年査読有り
Effects of heat-treatment atmosphere and temperature on cobalt species in Co/Al2O3 catalyst for propane dehydrogenation

Namgi Jeon, Jungmok Oh, Akhil Tayal, Beomgyun Jeong, Okkyun Seo, Sujin Kim, Iljun Chung, Yongju Yun

Journal of Catalysis 404 1007-1016 2021年12月査読有り
Total x-ray scattering setup for crystalline particles at SPring-8 BL15XU NIMS beamline

Okkyun Seo, L. S. R. Kumara, Jaemyung Kim, Satoshi Hiroi, Kohei Kusada, Hiroshi Kitagawa, Osami Sakata

Review of Scientific Instruments 92(11) 113905-113905 2021年11月1日査読有り筆頭著者
Chemical and Electronic Investigation of Buried NiO1−δ, PCBM, and PTAA/MAPbI3–xClx Interfaces Using Hard X-ray Photoelectron Spectroscopy and Transmission Electron Microscopy

Ibrahima Gueye, Yasuhiro Shirai, Dhruba B. Khadka, Okkyun Seo, Satoshi Hiroi, Masatoshi Yanagida, Kenjiro Miyano, Osami Sakata

ACS Applied Materials & Interfaces 13(42) 50481-50490 2021年10月27日査読有り
Investigation of Local Structure and Enhanced Thermal Stability of Ir-Doped PdRu Nanoparticles for Three-Way Catalytic Applications

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

The Journal of Physical Chemistry C 125(37) 20583-20591 2021年9月23日査読有り筆頭著者

もっとみる

MISC

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

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

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

メニュー

共著者の一覧