Kiyoto Matsuishi - My portal

Profile Information

Affiliation: Professor, Faculty of Pure and Applied Sciences, University of Tsukuba

Degree: Doctor of Engineering(Mar, 1989, University of Tsukuba)

Contact information: kiyotobk.tsukuba.ac.jp
J-GLOBAL ID: 200901061677854747
researchmap Member ID: 1000048798

Research Interests

Research Areas

Research History

Oct, 2012 - Present

Professor, Division of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba
Oct, 2011 - Oct, 2012

Associate Professor, Division of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba
Apr, 2007 - Sep, 2011

Associate Professor, University of Tsukuba
Apr, 2004 - Mar, 2007

Associate Professor, University of Tsukuba
Jan, 2004 - Mar, 2004

Associate Professor, University of Tsukuba
Jul, 2001 - Mar, 2004

Visiting Researcher, National Institute for Materials Science
Apr, 1999 - Jan, 2004

Assistant Professor, University of Tsukuba
1999 - 2000

Visiting Investigator, Carnegie Institution of Washington
1992 - 1999

Assistant Professor, University of Tsukuba
1989 - 1992

Research Associate, Texas Center for Superconductivity at the University of Houston, University of Houston
1988 - 1989

Fellow, Science for Japanese Junior Scientists, the Japan Society for the Promotion

Education

Apr, 1984 - Mar, 1989

Applied Physics, Graduate School, Division of Engineering, University of Tsukuba
Apr, 1980 - Mar, 1984

College of Engineering Science, Applied Physics, Third Cluster of Colleges, University of Tsukuba

Committee Memberships

1997 - 2003

Editor, THE SPECTROSCOPICAL SOCIETY OF JAPAN
1997 - 2003

Editor, THE SPECTROSCOPICAL SOCIETY OF JAPAN
1998 - 1999

Semiconductor Session Manager, THE PHYSICAL SOCIETY OF JAPAN
1998 - 1999

半導体分科世話人, 日本物理学会

Papers

288

Regulated oxidation and moisture permeation via sulfinic acid based additive enables highly efficient and stable tin-based perovskite solar cells

Abdel-Shakour, Muhammad, Matsuishi, Kiyoto, Chowdhury, Towhid H, Islam, Ashraful

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 254 112241, Feb, 2023 Peer-reviewed
Additive-Assisted Electronic Defect Passivation in Lead-Free Tin Perovskite Solar Cells: Suppression of Sn2+Oxidation and I- Losses

Karim, Md. Abdul, Matsuishi, Kiyoto, Chowdhury, Towhid H, Abdel-Shakour, Muhammad, He, Yulu, Islam, Ashraful

ACS APPLIED ENERGY MATERIALS, 5(12) 15038-15047, Nov, 2022 Peer-reviewedCorresponding author
Bathocuproine interfacial layer leads to solid improvement of reproducibility and stability of Pb-Free CsBi3I10 inverted perovskite solar cells

Karim, Md. Abdul, Matsuishi, Kiyoto, Chowdhury, Towhid, Chowdhury, Wasif Islam, Abdel-shakour, Muhammad, Islam, Ashraful

Journal of Materials Science: Materials in Electronics, 33(10) 8114-8126, Mar, 2022 Peer-reviewedCorresponding author
High-pressure crystal polymorphs and multiple pathways in 1-Hexyl-3-methylimidazolium perfluorobutanesulfonate ionic liquid

Abe, Hiroshi, Koyama, Yoshihiro, Shimono, Seiya, Kishimura, Hiroaki, Matsuishi, Kiyoto

Chemical Physics, 557 111479-111479, Feb, 2022 Peer-reviewed
Diaminomaleonitrile Lewis Base Additive for Push-Pull Electron Extraction for Efficient and Stable Tin-Based Perovskite Solar Cells

Abdel-Shakour, Muhammad, Chowdhury, Towhid H, Matsuishi, Kiyoto, Karim, Md Abdul, He, Yulu, Moritomo, Yutaka, Islam, Ashraful

ACS APPLIED ENERGY MATERIALS, 4(11) 12515-12524, Nov, 2021 Peer-reviewed
High-pressure crystal polymorphs in 1-butyl-3-methylimidazolium perfluorobutanesulfonate

Koyama, Yoshihiro, Shimono, Seiya, Kishimura, Hiroaki, Takekiyo, Takahiro, Yoshimura, Yukihiro, Abe, Hiroshi, Matsuishi, Kiyoto

JOURNAL OF MOLECULAR LIQUIDS, 335 116415-116415, Aug, 2021 Peer-reviewed
Chemical passivation of the undercoordinated Pb2+ defects in inverted planar perovskite solar cells via β-diketone Lewis base additives

Abdel-Shakour, M, Chowdhury, Towhid H, Matsuishi, Kiyoto, Moritomo, Yutaka, Islam, Ashraful

Photochemical & Photobiological Sciences, 20(3) 357-367, Mar, 2021 Peer-reviewed
High-Efficiency Tin Halide Perovskite Solar Cells: The Chemistry of Tin (II) Compounds and Their Interaction with Lewis Base Additives during Perovskite Film Formation

Abdel-Shakour, Muhammad, Chowdhury, Towhid H, Matsuishi, Kiyoto, Bedja, Idriss, Moritomo, Yutaka, Islam, Ashraful

SOLAR RRL, 5(1), Jan, 2021 Peer-reviewed
High-Pressure Raman Study of n-Octane up to 15 GPa

Takekiyo, Takahiro, Koyama, Yoshihiro, Matsuishi, Kiyoto, Yoshimura, Yukihiro

The journal of physical chemistry. B, 124(49) 11189-11196, Dec, 2020 Peer-reviewed
High-pressure crystal polymorph of the protic ionic liquid: Ethylammonium nitrate

Abe, Hiroshi, Koyama, Yoshihiro, Kishimura, Hiroaki, Matsuishi, Kiyoto

JOURNAL OF MOLECULAR LIQUIDS, 318 113959-113959, Nov, 2020 Peer-reviewed
Crystal polymorphs in 1-alkyl-3-methylimidazolium perfluorobutanesulfonate ionic liquids

Koyama, Yoshihiro, Kishimura, Hiroaki, Abe, Hiroshi, Matsuishi, Kiyoto

JOURNAL OF MOLECULAR LIQUIDS, 317 113908, Nov, 2020 Peer-reviewed
Facile Formation of Stable Water-Dispersed Luminescent Silicon Nanocrystals by Laser Processing in Liquid: Toward Fluorescent Labeling for Bio-Imaging

Yuan, Ze, Nakamura, Toshihiro, Chinnathambi, Shanmugavel, Pu, Yanbai, Shirahata, Naoto, Matsuishi, Kiyoto

CHEMNANOMAT, 5(9) 1137-1143, Sep, 2019 Peer-reviewed
Coadditive Engineering with 5-Ammonium Valeric Acid Iodide for Efficient and Stable Sn Perovskite Solar Cells

Kayesh, Md. Emrul, Matsuishi, Kiyoto, Kaneko, Ryuji, Kazaoui, Said, Lee, Jae-Joon, Noda, Takeshi, Islam, Ashraful

ACS ENERGY LETTERS, 4(1) 278-284, Jan, 2019 Peer-reviewed
How does the flexibility of pyrrolidinium cations affect the phase behaviour of 1-alkyl-1-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide homologues under stressful conditions?

Yoshihiro Koyama, Kiyoto Matsuishi, Takahiro Takekiyo, Hiroshi Abe, Yukihiro Yoshimura

Physical Chemistry Chemical Physics, 21(21) 11290-11297, 2019 Peer-reviewed
Enhanced Photovoltaic Performance of Perovskite Solar Cells by Copper Chloride (CuCl2) as an Additive in Single Solvent Perovskite Precursor

Kayesh, Md. Emrul, Matsuishi, Kiyoto, Chowdhury, Towhid H, Kaneko, Ryuji, Noda, Takeshi, Islam, Ashraful

ELECTRONIC MATERIALS LETTERS, 14(6) 712-717, Nov, 2018 Peer-reviewed
Influence of anti-solvents on CH3NH3PbI3 films surface morphology for fabricating efficient and stable inverted planar perovskite solar cells

Kayesh, Md. Emrul, Matsuishi, Kiyoto, Chowdhury, Towhid H, Kaneko, Ryuji, Lee, Jae-Joon, Noda, Takeshi, Islam, Ashraful

THIN SOLID FILMS, 663 105-115, Oct, 2018 Peer-reviewed
Long Periodic Structure of a Room-Temperature Ionic Liquid by High-Pressure Small-Angle X-Ray Scattering and Wide-Angle X-Ray Scattering: 1-Decyl-3-Methylimidazolium Chloride

Hiroshi Abe, Nozomu Hamaya, Yoshihiro Koyama, Hiroaki Kishimura, Takahiro Takekiyo, Yukihiro Yoshimura, Daisuke Wakabayashi, Nobumasa Funamori, Kiyoto Matsuishi

ChemPhysChem, 19(12) 1441-1447, Jun 19, 2018 Peer-reviewed
Enhanced Photovoltaic Performance of FASnI3‑Based Perovskite Solar Cells with Hydrazinium Chloride Coadditive

Kayesh, Md. Emrul, Chowdhury, Towhid H, Matsuishi, Kiyoto, Kaneko, Ryuji, Kazaoui, Said, Lee, Jae-Joon, Noda, Takeshi, Islam, Ashraful

ACS ENERGY LETTERS, 3(7) 1584-1589, Jun, 2018 Peer-reviewed
Improvement of Laser Processing for Colloidal Silicon Nanocrystal Formation in a Reactive Solvent

Ze Yuan, Toshihiro Nakamura, Sadao Adachi, Kiyoto Matsuishi

JOURNAL OF PHYSICAL CHEMISTRY C, 121(15) 8623-8629, Apr, 2017 Peer-reviewed
Strain analysis of plasma CVD graphene for roll-to-roll production by scanning transmission electron microscopy and Raman spectroscopy

Ryuichi Kato, Yoshinori Koga, Kiyoto Matsuishi, Masataka Hasegawa

JAPANESE JOURNAL OF APPLIED PHYSICS, 56(3) 30307, Mar, 2017 Peer-reviewed

Books and Other Publications

Fullerene Nanowhiskers

松石, 清人

Pan Stanford, Jan, 2011
Optical Properties: Optical Properties of Small Particles and Clusters

松石, 清人

Elsevier, Jan, 2005
Effect of Low Temperature and High Pressure on the Optical Properties of the Ternary Layered TlIn_xGa_1-xS₂ Chalcogenides

松石, 清人 (Role: Supervisor (editorial))

IPAP Books 1: "Japanese Research Review for Pioneering: Ternary and Multinary Compounds in the 21st Century", IPAP, Tokyo IPAP Books 1: "Japanese Research Review for Pioneering: Ternary and Multinary Compounds in the 21st Century", IPAP, Tokyo, Jan, 2001
Brillouin Scattering Measurements under High Temperatures and Pressures

松石, 清人 (Role: Supervisor (editorial))

J. Spectroscopical Soc. Jpn J. Spectroscopical Soc. Jpn, Jan, 2001
Optical Properties and Structural Changes in Semiconductor Fine Particles Mesoscopic Materials and Clusters

松石, 清人 (Role: Supervisor (editorial))

Kodansha, Jan, 1998
Spectroscopic Studies on Excitonic States in Semiconductor Mesoscopic Particles

松石, 清人 (Role: Supervisor (editorial))

J. Spectroscopical Soc. Jpn J. Spectroscopical Soc. Jpn, Jan, 1997
Electronic State of Cd-chalcogenide Microcrystals Embedded in GeO₂ Glasses Studied by means of Spectroscopy

松石, 清人 (Role: Supervisor (editorial))

J. Luminescence J. Luminescence, Jan, 1996
Systematic Raman Study on T1-Based Superconductors with Tc-Variation due to Oxygen Defficiency

松石, 清人 (Role: Supervisor (editorial))

SPIE-"Raman and Luminescence Spectroscopies in Technology II SPIE-"Raman and Luminescence Spectroscopies in Technology II SPIE, Jan, 1990
Intermediate Range Correlations and Geometrical Restrictions in Chalcogenide Glassy Semiconductors

Matsuishi,Kiyoto

Mar, 1989

Presentations

鉛フリーハライド系ダブルペロブスカイト半導体Cs?AgInCl?の高圧下光物性と結晶構造

服部, 亮佑, 松石, 清人, 中野, 智志, 藤久, 裕司

第63回高圧討論会
Reproducibility and Stability of Pb-free CsBi3I10 based Perovskite Solar Cells Improved by Bathocuproine Interfacial Layer

Karim, Md. Abdul, Matsuishi, Kiyoto, Chowdhury, Towhid H, Chowdhury, Wasif Islam, Abdel-shakour, Muhammad, Islam, Ashraful

The 83rd JSAP Autumn Meeting
Preparation and Optical Properties of Core-Shell Perovskite Nanocrystals

武藤, 紘揮, 松石, 清人

第69回応用物理学会春季学術講演会, Mar 22, 2022
Optical properties and crystal structures of lead-free halide double perovskite semiconductor Cs2AgInCl6 under high pressure

服部, 亮佑, 松石, 清人, 中野, 智志, 藤久, 裕司

2021年度量子ビームサイエンスフェスタ（第39回PFシンポジウム）, Mar 7, 2022
Molecular structure of C60-Co porphyrin co-crystal under high pressure by Raman spectroscopy

Fujiwara, Naoki, Onishi, Takuya, Matsuishi, Kiyoto

10th Asian Conference on High Pressure Research (ACHPR-10), 19th International Conference on High Pressure Semiconductor Physics (HPSP-19), 3rd International workshop on High Pressure Study on Superconductors (WHS-3), Nov 21, 2021
Optical properties and structural phase transitions of halide double perovskite semiconductor Cs2AgInCl6 under high pressure

Hattori, Ryosuke, Meguro, Yusuke, Matsuishi, Kiyoto

10th Asian Conference on High Pressure Research (ACHPR-10), 19th International Conference on High Pressure Semiconductor Physics (HPSP-19), 3rd International workshop on High Pressure Study on Superconductors (WHS-3), Nov 21, 2021
Optical properties of lead-free halide double perovskite semiconductor Cs2AgInCl6 under high pressure

服部, 亮佑, 目黒, 悠介, 松石, 清人

第62回高圧討論, Oct 18, 2021, 日本高圧力学会
Changes in molecular structure of C60-Co porphyrin co-crystals under high pressure by Raman spectroscopy

藤原, 直樹, 大西, 拓也, 松石, 清人

第62回高圧討論, Oct 18, 2021, 日本高圧力学会
AgとBiを用いた鉛フリーハライド系ダブルペロブスカイト半導体の作製と光物性

石川, 大輔, 松石, 清人

第68回応用物理学会春季学術講演会, Mar 16, 2021
Ag・In系ダブルペロブスカイト半導体の作製と高圧下の光物性Ⅱ

目黒, 悠介, 松石, 清人

第68回応用物理学会春季学術講演会, Mar 16, 2021
ピレン発色団を導入した有機無機複合型CdSナノプレート超格子の作製と光物性

平田, 祥大, 松石, 清人

第68回応用物理学会春季学術講演会, Mar 16, 2021
Suppression of the Pb2+ defects in the perovskite films using Lewis-base additives in perovskite solar cells

Abdel-Shakour, Muhammad, Chowdhury, Towhid H, Matsuishi, Kiyoto, Islam, Ashraful

International Online Conference on Hybrid Materials and Optoelectronic Devices (HYBRIDOE), Dec 15, 2020
Ge系ペロブスカイト半導体の結晶構造と相転移

齋藤, 瑞生, 鈴木, 涼平, 高橋, 美和子, 松石, 清人, 神山, 祟, 萩原, 雅人, 鳥居, 周輝, 片岡, 邦光

日本結晶学会2020年度年会, Nov 27, 2020
Ge系ペロブスカイト半導体の構造と光物性（Ⅱ）

齋藤, 瑞生, 鈴木, 涼平, 高橋, 美和子, 神山, 祟, 松石, 清人, 片岡, 邦光, 萩原, 雅人, 鳥居, 周輝

第81回応用物理学会秋季学術講演会, Sep 8, 2020
Structural and Optical Properties of Germanium-Halide Perovskite Semiconductors

齋藤, 瑞生, 鈴木, 涼平, Tan, Zhijian, 高橋, 美和子, 神山, 祟, 松石, 清人

第67回応用物理学会春季学術講演会, Mar 12, 2020
Preparation and Optical Properties of Organic-Inorganic Hybrid CdS Nanoplate Superlattices with a Pyrene Chromophore

平田, 祥大, 松石, 清人

第67回応用物理学会春季学術講演会, Mar 12, 2020
Preparation and Optical Properties of Lead-Free Halide Double Perovskite Semiconductors with Cu and Bi

石川, 大輔, 松石, 清人

第80回応用物理学会秋季学術講演会, Sep 18, 2019
Optical Properties and Synthesis of Size-Changed CH3NH3PbBr3 Nanoparticles with Long Chain Amines

久永, 尊瑚, 松石, 清人

第80回応用物理学会秋季学術講演会, Sep 18, 2019
Preparation of Pb-free Halide Double Perovskite Semiconductors and Their Optical Properties under High Pressure

目黒, 悠介, 松石, 清人

第80回応用物理学会秋季学術講演会, Sep 18, 2019
COADDITIVE AND COMPOSITIONAL ENGINEERING FOR HIGH PERFORMANCE LEAD-FREE PEROVSKITE SOLAR CELLS

Kayesh, Md Emrul, Matsuishi, Kiyoto, Lee, Jae-Joon, Islam, Ashraful

Global Photovoltaic Conference 2019 (GPVC 19), Mar 13, 2019

Professional Memberships

2000 - Present

The Japan Society of High Pressure Science and Technology (JSHPST)
1992 - Present

THE SPECTROSCOPICAL SOCIETY OF JAPAN
1988 - Present

The Japan Society of Applied Physics
1984 - Present

THE PHYSICAL SOCIETY OF JAPAN
2003 - 2016

SOCIETY OF NANO SCIENCEAND TECHNOLOGY

Research Projects

Elucidation of physical properties of lead-free perovskite semiconductors as high efficiency solar cell materials

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2018 - 2020

Matsuishi Kiyoto
窒化物と関連物質の高圧構造物性調査研究と超硬質高密度材料開発

TIA連携プログラム調査研究（かけはし）, Jun, 2018 - Mar, 2019

遊佐斉
窒化物高圧構造探索による新たな超硬質高密度材料開発のための調査研究

TIA連携プログラム調査研究（かけはし）, Jun, 2017 - Mar, 2018

遊佐斉
非弾性光散乱法によるリラクサー強誘電体の巨大外場応答の解明

科研費基盤研究(C), 日本学術振興会, Apr, 2017

小島誠治
2次元遷移金属カルコゲナイド結晶の高品位化に向けた調査研究

TIA連携プログラム調査研究課題（かけはし）, Jun, 2016 - Mar, 2017

谷口尚
ナノアモルファス窒化炭素を跳躍台とする窒化炭素科学の展開

基盤研究（B）, 日本学術振興会, Apr, 2014 - Mar, 2017

財部健一
Luminescence decay of organic-inorganic hybrid semiconductors

Jun, 2010 - Mar, 2011
Application of SWCNTs to Organic Thin Film Solar Cells

Jul, 2008 - Mar, 2011
Application of Carbon Nanotubes to Solar Cells

Jul, 2008 - Mar, 2011
Electronic and Optical Properties of Molecular Superlattice

Apr, 2008 - Mar, 2011
Fabrication and Characterization of Molecular Superlattice Devices

Mar, 2008 - Mar, 2011
Optical Properties and Photo-polymerization of Fullerene Nanowhisklers and Nanotubes

Apr, 2006 - 2011
Application of metal nanoparticles to light-sensitive nano-medicine

Oct, 2008 - Mar, 2010
High-Pressure Structural Analyses on Organic-Inorganic Perovskite Semiconductors

Nov, 2005 - Jul, 2008
Optical and Functional Properties of Fullerene-Related Materials

Mar, 2006 - Mar, 2008
Optical Properties and High Pressure Effects of Three Dimensional Superlattice of Semiconductor Quantum Dots

Grant-in-Aid for Scientific Research, Apr, 2004 - Mar, 2007
Thermal Analyses on crystallization of amorphous Se

富士フィルム（株）, Mar, 2005 - Aug, 2005
Spectroscopical Studies on SiC films

Public/Private Cooperative Joint Researches, Apr, 2003 - Mar, 2005
Theoretical Study on Structural and Electronic States of Organic-Inorganic Perovskite Semiconductors

釜山大学校, Mar, 2003 - Mar, 2005
Spectroscpical Studies on SiC Films

2003 - 2005