Details of the Researcher
Ph.D (Engineering) (Kyoto University)
Kyoto University Graduate School of Engineering Deprtment of Materical Science and Engineering
2023/04 - 2026/03
Kyoto University Graduate School of Engineering Deprtment of Materical Science and Engineering
2021/04 - 2023/03
Kyoto University Faculty of Engineering School of Engineering Science
2017/04 - 2021/03
in-situ
solution growth
melt growth
Chemical Thermodynamics
modulation spectroscopy
Solar cells
Compound semiconductor
Epitaxial growth
Crystal growth
Young Scientist Presentation Award
2025/11
Student Award
2025/10 Thin Film Materials & Devices Meeting Epitaxy and band engineering of ZnSnP2 using compound-source MBE
Poster Award
2023/12 Frontier Photovoltaic Seminar Epitaxial growth of ZnSnP2 by photo-assisted MBE
Innovative PV Encouragement Award
2023/06 Japan Photovoltaic Society Analysis of Fermi level pinning at CdS/ZnSnP2 interface by photoreflectance under bias voltage
Presentation Award
2022/12 Professional Group of Multinary Compounds and Solar Cells Enhancement of minority carrier lifetime in ZnSnP2 bulk crystals by growth conditions
Control of native defects via feed stoichiometry in Te-solvent THM-grown CdTe single crystals
Hayato Tsuru, Akira Nagaoka, Isshin Sumiyoshi, Yoshitaro Nose, Kenji Yoshino
Japanese Journal of Applied Physics 2026/07/31
DOI： 10.35848/1347-4065/ae82a3
Photoreflectance at operating bias links interface traps to photovoltaic performance in ZnSnP2 solar cells
Isshin Sumiyoshi, Yoshitaro Nose
Applied Physics Letters 2026/03/16
DOI： 10.1063/5.0307738
Steady‐State Carrier Distribution under Short‐Circuit Conditions—Role of Electric Field and Generation Rate Profiles in homo‐pn Solar Cells
Isshin Sumiyoshi, Yoshitaro Nose
Solar RRL 2025/10
Enhancing Power Factor in n-type Chalcopyrite CdSnAs2 Thermoelectrics via Supercooled Solidification
Shoki Kishida, Norihiko L. Okamoto, Ryoji Katsube, Akira Nagaoka, Isshin Sumiyoshi, Kensuke Nishioka, Tetsu Ichitsubo, Yoshitaro Nose
ACS Applied Energy Materials 8 (11) 2025/05/16
Publisher: American Chemical Society (ACS)ISSN： 2574-0962
Martensite-like phase transformation of ligand-capped SnS tetrahedrons from π phase to α phase and its impact on H2 evolution performance
Xiangxin Du, Kenji Kazumi, Toru Utsunomiya, Isshin Sumiyoshi, Yoshitaro Nose
RSC Advances 2025
DOI： 10.1039/D5RA03669K
Ligand-assisted synthesis of novel π-SnS tetrahedrons for enhanced photocatalytic H2 evolution from water
Xiangxin Du, Isshin Sumiyoshi, Yoshitaro Nose, Shigeru Ikeda
International Journal of Hydrogen Energy 2024/12
DOI： 10.1016/j.ijhydene.2024.11.248
Effect of crystal growth conditions on carrier lifetime and lattice defects in the solar absorber material ZnSnP2
Isshin Sumiyoshi, Yoshitaro Nose
Journal of Applied Physics 2023/06/21
DOI： 10.1063/5.0151739
https://orcid.org/0009-0009-0792-1527