ISHIZUKA SHOGO

Profile Information

Affiliation: Global Zero Emission Research Center, National Institute of Advanced Industrial Science and Technology

Degree: PhD(Mar, 2003, University of Tsukuba)

ORCID ID: https://orcid.org/0000-0002-4404-5257
J-GLOBAL ID: 200901086434117569
researchmap Member ID: 5000087546

External link: http://www.aist.go.jp/RESEARCHERDB/cgi-bin/worker_detail.cgi?call=namae&rw_id=S49095920

Research Interests

Research Areas

Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Electric/electronic material engineering / Photovoltaics, Thin film, Photoelectrochemical water splitting
Nanotechnology/Materials / Thin-film surfaces and interfaces / Soalr cells, Hydrogen evolution, Energy conversion
Nanotechnology/Materials / Applied physics - general / Science education, Connecting high school and university

Major Research History

Apr, 2023 - Present

Prime Senior Researcher, Global Zero Emission Research Center, National Institute of Advanced Industrial Science and Technology
Apr, 2022 - Mar, 2023

Prime senior researcher, Research Institute for Energy Conservation (iECO), AIST
Apr, 2020 - Mar, 2023

Group Leader, Research Institute for Energy Conservation (iECO), AIST
Oct, 2018 - Mar, 2020

Team Leader, Research Center for Photovoltaics (RCPV), AIST
Oct, 2017 - Sep, 2018

Chief Senior Researcher, RCPV, AIST
Sep, 2011 - Sep, 2012

Visiting Scientist, National Center for Photovoltaics, National Renewable Energy Laboratory

Education

Apr, 1998 - Mar, 2003

University of Tsukuba
Apr, 1994 - Mar, 1998

University of Tsukuba

Awards

Apr, 2022

The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Awards for Science and Technology, Ministry of Education, Culture, Sports, Science and Technology, Japan

ISHIZUKA SHOGO
Nov, 2014

Best Paper Award, WCPEC-6

ISHIZUKA SHOGO
Oct, 2010

2010 Good Design Frontier Design Award

ISHIZUKA SHOGO
Oct, 2008

Best Oral Presentation Award, Renewable Energy 2008

ISHIZUKA SHOGO
Mar, 2007

22nd JSAP Young Scientist Presentation Award, JSAP

ISHIZUKA SHOGO
Mar, 2006

Young Scientist Award, ICTMC-15 Organizing Committee

ISHIZUKA SHOGO
Sep, 2005

JSPS175Committee Young Inovative PV Award, JSPS

ISHIZUKA SHOGO

Major Papers

144

Lightweight and flexible Cu(In,Ga)Se2 solar minimodules: toward 20% photovoltaic efficiency and beyond

Shogo Ishizuka, Yukiko Kamikawa, Jiro Nishinaga

npj Flexible Electronics, 6(1) 90, Oct 30, 2022 Peer-reviewedInvitedLead authorCorresponding author
Enhanced Performance of Ternary CuGaSe ₂ Thin‐Film Photovoltaic Solar Cells and Photoelectrochemical Water Splitting Hydrogen Evolution with Modified p–n Heterointerfaces

Shogo Ishizuka, Riku Okamoto, Shigeru Ikeda

Advanced Materials Interfaces, 9(25) 2201266-2201266, Sep, 2022 Peer-reviewedLead authorCorresponding author
Physical and chemical aspects at the interface and in the bulk of CuInSe2-based thin-film photovoltaics

Shogo Ishizuka, Jiro Nishinaga, Kosuke Beppu, Tsuyoshi Maeda, Fuuka Aoyagi, Takahiro Wada, Akira Yamada, Jakapan Chantana, Takahito Nishimura, Takashi Minemoto …

Physical Chemistry Chemical Physics, 24(3) 1262-1285, 2022 Peer-reviewedInvitedLead authorCorresponding author
Role of the Cu-Deficient Interface in Cu(In,Ga)Se2 Thin-Film Photovoltaics with Alkali-Metal Doping

Shogo Ishizuka, Paul J. Fons

Physical Review Applied, 15(5), May 4, 2021 Peer-reviewedLead authorCorresponding author
Impact of Cu-deficient p-n heterointerface in CuGaSe2 photovoltaic devices

Shogo Ishizuka

Applied Physics Letters, 118(13) 133901-133901, Mar 29, 2021 Peer-reviewedLead authorLast authorCorresponding author
CuGaSe 2 Thin Film Solar Cells: Challenges for Developing Highly Efficient Wide‐Gap Chalcopyrite Photovoltaics

Shogo Ishizuka

physica status solidi (a), 216(15) 1800873, Aug, 2019 Peer-reviewedInvitedLead authorLast authorCorresponding author
Direct insights into RbInSe2 formation at Cu(In,Ga)Se2 thin film surface with RbF postdeposition treatment

Noboru Taguchi, Shingo Tanaka, Shogo Ishizuka

Applied Physics Letters, 113 113903, Sep, 2018 Peer-reviewedLast authorCorresponding author
Effects of RbF postdeposition treatment and heat-light soaking on the metastable acceptor activation of CuInSe2 thin film photovoltaic devices

Shogo Ishizuka, Hajime Shibata, Jiro Nishinaga, Yukiko Kamikawa, Paul Fons

Applied Physics Letters, 113(6) 063901, Aug, 2018 Peer-reviewedLead authorCorresponding author
Si-Doped Cu(In,Ga)Se2 Photovoltaic Devices with Energy Conversion Efficiencies Exceeding 16.5% without a Buffer Layer

Shogo Ishizuka, Jiro Nishinaga, Masayuki Iioka, Hirofumi Higuchi, Yukiko Kamikawa, Takashi Koida, Hajime Shibata, Paul Fons

Advanced Energy Materials, 8(11) 1702391, Apr 16, 2018 Peer-reviewedLead authorCorresponding author
Group III elemental composition dependence of RbF postdeposition treatment effects on Cu(In,Ga)Se2 thin films and solar cells

Shogo Ishizuka, Noboru Taguchi, Jiro Nishinaga, Yukiko Kamikawa, Shingo Tanaka, Hajime Shibata

Journal of Physical Chemistry C, 122(7) 3809-3817, Feb 22, 2018 Peer-reviewedLead authorCorresponding author

Misc.

Application of Al-Doped (Zn, Mg)O on pure-sulfide Cu(In, Ga)S<inf>2</inf> solar cells for enhancement of open-circuit voltage

Takahito Nishimura, Shinho Kim, Jakapan Chantana, Yu Kawano, Shogo Ishizuka, Takashi Minemoto

Solar Energy Materials and Solar Cells, 202, Nov 1, 2019
「半導体デバイスの超短パルスレーザー加工と熱影響評価」

奈良崎愛子, 西永慈郎, 高田英行, 佐藤正健, 新納弘之, 鳥塚健二, 上川由紀子, 石塚尚吾, 柴田肇, 仁木栄

「レーザプロセシングと先端技術」, OQD18-017 33-37, 2018
Study of the compound semiconductors CuInSe_2 using analytical transmission electron microscopy

Taguchi Noboru, Tanaka Shingo, Ishizuka Shogo

Meeting Abstracts of the Physical Society of Japan, 72 2738-2738, 2017
新材料部会講演 CIGS系太陽電池開発最前線

仁木栄, 石塚尚吾, 小牧弘典

鉱山, 64(2) 23-28, Feb, 2011
Development of high-efficiency CIGS solar cells and submodules for mass-production

NIKI Shigeru, ISHIZUKA Shogo, KOMAKI Hironori, FURUE Shigenori, YAMADA Akimasa, SHIBATA Hajime, MATSUBARA Koji

Journal of Japan Solar Energy Society, 37(1) 21-24, Jan 31, 2011
Current status and future prospect of CIGS solar cells

NIKI Shigeru, ISHIZUKA Shogo, KOMAKI Hironori, KAMIKAWA SHIMIZU Yukiko, YAMADA Akimasa, SHIBATA Hajime, MATSUBARA Koji, TERADA Norio

73 29-31, Jul 9, 2009
Development of high-efficiency widegap CIGS solar cells

Journal of Japan Solar Energy Society, 33(3) 11-15, May 31, 2007
Seラジカル源を用いたCu(In_<1-x>Ga_x)Se_2薄膜の作製と太陽電池特性

石塚尚吾

第54回応用物理学関係連合講演会講演予稿集 (2007春), 青山学院大学, 2007
Control of the thin film properties of Cu(In,Ga)Se-2 using water vapor introduction during growth

Shogo Ishizuka, Hajime Shibata, Akimasa Yamada, Paul Fons, Keiichiro Sakurai, Koji Matsubara, Shigeru Niki

JOURNAL OF APPLIED PHYSICS, 100(9) 096106-1-096106-3, Nov, 2006
Effects of water vapor introduction during Cu(In1-xGax)Se-2 deposition on thin film properties and solar cell performance

S. Ishizuka, K. Sakurai, A. Yamada, K. Matsubara, H. Shibata, M. Yonemura, S. Nakamura, H. Nakanishi, T. Kojima, S. Niki

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 203(11) 2609-2614, Sep, 2006
Crystallographic growth orientation of Cu(InGa)Se-2 films in relation to substrate material nature

A. Yamada, K. Matsubara, S. Nakamura, S. Ishizuka, K. Sakurai, H. Tampo, H. Shibata, H. Nakanishi, S. Niki

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 203(11) 2639-2643, Sep, 2006
固体物理の応用カルコパイライト系薄膜太陽電池

仁木栄, 櫻井啓一郎, 石塚尚吾

固体物理, 41(4) 295-301, Apr, 2006
Thin film deposition of Cu2O and application for solar cells

K. Akimoto, S. Ishizuka, M. Yanagita, Y. Nawa, Goutam K. Paul, T. Sakurai

SOLAR ENERGY, 80(6) 715-722, 2006
Photoluminescence recombination centers in ZnO

H Shibata, H Tampo, M Sakai, A Yamada, K Matsubara, K Sakurai, S Ishizuka, K Kim, P Fons, K Iwata …

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 3, NO 4, 3(4) 1026-+, 2006
Excitation-power dependence of free exciton photoluminescence of semiconductors

H Shibata, M Sakai, A Yamada, K Matsubara, K Sakurai, H Tampo, S Ishizuka, KK Kim, S Niki

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 44(8) 6113-6114, Aug, 2005
Piezoelectric photothermal investigation of proton irradiation induced defects in CuInSe2 epitaxial films

Y Akaki, N Ohryoji, A Fukuyama, K Yoshino, S Kawakita, M Imaizumi, S Niki, K Sakurai, S Ishizuka, T Ohshima …

THIN SOLID FILMS, 480 250-253, Jun, 2005
Characterization of interface nature and band alignment in CBD-CdS/Cu(In,Ga)Se-2 bi-layer structure by photoemission and inverse photoemission spectroscopy

N Terada, RT Widodo, K Itoh, SH Kong, H Kashiwabara, Okuda, I, K Obara, S Niki, K Sakurai, A Yamada …

THIN SOLID FILMS, 480 183-187, Jun, 2005
Structural changes of CuGaSe2 films during process observed by spectroscopic light the three-stage scattering

K Sakurai, S Nakamura, T Baba, Y Kimura, A Yamada, S Ishizuka, K Matsubara, P Fons, R Scheer, H Nakanishi …

THIN SOLID FILMS, 480 367-372, Jun, 2005
Improvement of ZnO TCO film growth for photovoltaic devices by reactive plasma deposition (RPD)

K Iwata, T Sakemi, A Yamada, P Fons, K Awai, T Yamamoto, S Shirakata, K Matsubara, H Tampo, K Sakurai …

THIN SOLID FILMS, 480 199-203, Jun, 2005
Photoluminescence characterization of excitonic centers in ZnO epitaxial films

M Watanabe, M Sakai, H Shibata, H Tampo, P Fons, K Iwata, A Yamada, K Matsubara, K Sakurai, S Ishizuka …

APPLIED PHYSICS LETTERS, 86(22) 221907-1-221907-3, May, 2005

Professional Memberships

Dec, 2022 - Present

The Chemical Society of Japan
Apr, 2020 - Present

The Japan Photovoltaic Society
Aug, 1998 - Present

The Japan Society of Applied Physics
Materials Research Society

Research Projects

Analysis and control of defects in wide-gap thin-film photovoltaic devices

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2022

Ishizuka Shogo
A study of the mechanism behind alkali-metal effects on compound semiconductor thin-film photovoltaics

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Ishizuka Shogo, Taguchi Noboru, Tanaka Shingo

Profile Information

Research Interests

Research Areas

Major Research History

Education

Awards

Major Papers

Misc.

Professional Memberships

Research Projects

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Coauthors