Okamoto Takuya 岡本拓也

Researcher Number	40888608
Other IDs
Affiliation (Current)	2025: 北海道大学, 電子科学研究所, 助教
Affiliation (based on the past Project Information) *help	2022 – 2023: 北海道大学, 電子科学研究所, 助教 2021: 北海道大学, 電子科学研究所, 特別研究員(PD)
Review Section/Research Field	Principal Investigator Basic Section 32010:Fundamental physical chemistry-related
Keywords	Principal Investigator 欠陥 / 結晶 / 蛍光増強 / 量子ドット / レーザー / 蛍光 / エネルギー移動 / 共振器 / ペロブスカイト

Development of low-threshold and narrow-band nanolaser of perovskite crystal and nanocavityPrincipal Investigator
- Principal Investigator
  
  Okamoto Takuya
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 32010:Fundamental physical chemistry-related
- Research Institution
  Hokkaido University

All 2024 2023 2022 2021

All Journal Article Presentation Patent

[Journal Article] Dual-color photoluminescence modulation of zero-dimensional hybrid copper halide microcrystals2024
- Author(s)
  Dastidar Rahul Ghosh、Okamoto Takuya、Takahashi Kiyonori、Takano Yuta、Vijayakumar Chakkooth、Subrahmanyam Challapalli、Biju Vasudevanpillai
- Journal Title
  
  Nanoscale
  
  Volume: 16 Issue: 10 Pages: 5107-5114
- DOI
  10.1039/d3nr05503e
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Journal Article] Photosensitizer-singlet oxygen sensor conjugated silica nanoparticles for photodynamic therapy and bioimaging2024
- Author(s)
  Sobhanan Jeladhara、Ono Kenji、Okamoto Takuya、Sawada Makoto、Weiss Paul S.、Biju Vasudevanpillai
- Journal Title
  
  Chemical Science
  
  Volume: 15 Issue: 6 Pages: 2007-2018
- DOI
  10.1039/d3sc03877g
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Journal Article] Distance-Dependent Energy Transfer under Modal Strong Coupling from CdSe/ZnS Quantum Dots to a Plasmonic Fabry?P?rot Cavity2024
- Author(s)
  Okamoto Takuya、Onishi Azusa、Shi Xu、Oshikiri Tomoya、Ueno Kosei、Misawa Hiroaki、Biju Vasudevanpillai
- Journal Title
  
  The Journal of Physical Chemistry C
  
  Volume: 128 Issue: 10 Pages: 4208-4214
- DOI
  10.1021/acs.jpcc.3c08503
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K19003, KAKENHI-PROJECT-21K14580, KAKENHI-PROJECT-18H05205, KAKENHI-PLANNED-21H05237, KAKENHI-PLANNED-22H05136, KAKENHI-PROJECT-23K26609, KAKENHI-PROJECT-23K26675
[Journal Article] Thermodynamically and Kinetically Controlled Nucleation and Growth of Halide Perovskite Single Crystals2023
- Author(s)
  Zhang Dong、Okamoto Takuya、Biju Vasudevanpillai
- Journal Title
  
  Small
  
  Volume: 19 Issue: 48 Pages: 2304900-2304900
- DOI
  10.1002/smll.202304900
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K14580
[Journal Article] Self-assembled halide perovskite quantum dots in polymer thin films showing temperature-controlled exciton recombination2023
- Author(s)
  Khatun Most Farida、Okamoto Takuya、Biju Vasudevanpillai
- Journal Title
  
  Chemical Communications
  
  Volume: 59 Issue: 93 Pages: 13831-13834
- DOI
  10.1039/d3cc02621c
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K14580
[Journal Article] Highly Luminescent and Stable Halide Perovskite Nanocrystals by Interfacial Defect Passivation and Amphiphilic Ligand Capping2023
- Author(s)
  Ghimire Sushant、Khatun Most Farida、Sachith Bhagyashree M.、Okamoto Takuya、Sobhanan Jeladhara、Subrahmanyam Ch、Biju Vasudevanpillai
- Journal Title
  
  ACS Applied Materials & Interfaces
  
  Volume: 15 Issue: 34 Pages: 41081-41091
- DOI
  10.1021/acsami.3c05868
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Journal Article] Lead‐Free Halide Perovskite Materials and Optoelectronic Devices: Progress and Prospective2023
- Author(s)
  L.‐F. Iago、Valli Donato、Wang Chun‐Yun、Samanta Subarna、Okamoto Takuya、Huang Yi‐Teng、Sun Kun、Liu Yang、Chirvony Vladimir S.、Patra Avijit、他
- Journal Title
  
  Advanced Functional Materials
  
  Volume: 34 Issue: 6 Pages: 2307896-2307896
- DOI
  10.1002/adfm.202307896
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580, KAKENHI-PROJECT-21H01743
[Journal Article] Slipping‐Free Halide Perovskite Supercrystals from Supramolecularly‐Assembled Nanocrystals2023
- Author(s)
  Okamoto Takuya、Biju Vasudevanpillai
- Journal Title
  
  Small
  
  Volume: 19 Issue: 32 Pages: 303496-303496
- DOI
  10.1002/smll.202303496
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K14580
[Journal Article] Photoinduced interfacial electron transfer from perovskite quantum dots to molecular acceptors for solar cells2023
- Author(s)
  Sachith Bhagyashree Mahesha、Zhang Zhijing、Subramanyam Palyam、Subrahmanyam Challapalli、Furube Akihiro、Tamai Naoto、Okamoto Takuya、Misawa Hiroaki、Biju Vasudevanpillai
- Journal Title
  
  Nanoscale
  
  Volume: 15 Issue: 17 Pages: 7695-7702
- DOI
  10.1039/d3nr01032e
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580, KAKENHI-PROJECT-18H05205
[Journal Article] Halide Perovskite Single Crystals and Nanocrystal Films as Electron Donor‐Acceptor Heterojunctions2022
- Author(s)
  Shahjahan M. D.、Okamoto Takuya、Chouhan Lata、Sachith Bhagyashree Mahesha、Pradhan Narayan、Misawa Hiroaki、Biju Vasudevanpillai
- Journal Title
  
  Angewandte Chemie International Edition
  
  Volume: 62 Issue: 4
- DOI
  10.1002/anie.202215947
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580, KAKENHI-PROJECT-20J00974, KAKENHI-PROJECT-18H05205, KAKENHI-PROJECT-19H02550
[Journal Article] Mechano-optical Modulation of Excitons and Carrier Recombination in Self-Assembled Halide Perovskite Quantum Dots2022
- Author(s)
  Z. Zhang, S. Ghimire, T. Okamoto, B. M. Sachith, J. Sobhanan, C. Subrahmanyam, V. Biju
- Journal Title
  
  ACS Nano
  
  Volume: 16 Issue: 1 Pages: 160-168
- DOI
  10.1021/acsnano.1c04944
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02550, KAKENHI-PROJECT-20J00974, KAKENHI-PROJECT-21K14580
[Journal Article] Shape-Dependent Kinetics of Halide Vacancy Filling in Organolead Halide Perovskites2021
- Author(s)
  Okamoto, T., Shahjahan, M., Biju, V.
- Journal Title
  
  Advanced Optical Materials
  
  Volume: 9 Issue: 19 Pages: 1-1
- DOI
  10.1002/adom.202100355
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02550, KAKENHI-PROJECT-20J00974, KAKENHI-PROJECT-21K14580
[Journal Article] Long-Range Interfacial Charge Carrier Trapping in Halide Perovskite-C60 and Halide Perovskite-TiO2 Donor-Acceptor Films2021
- Author(s)
  Bhagyashree, M. S., Okamoto, T., Ghimire, S., Umeyama, T., Takano, Y., Imahori, H., Biju, V.
- Journal Title
  
  The Journal of Physical Chemistry Letters
  
  Volume: 12 Issue: 35 Pages: 8644-8651
- DOI
  10.1021/acs.jpclett.1c01909
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02550, KAKENHI-PROJECT-20J00974, KAKENHI-PROJECT-21K14580, KAKENHI-PROJECT-18H05205, KAKENHI-PLANNED-20H05832
[Patent] ＰＱＤを含むフィルムの発光波長を短波長側に変化させる方法、並びに、複数のＰＱＤの凝集体及びその製造方法2022
- Inventor(s)
  ビジュ　ヴァスデヴァン　ピライ, 岡本拓也, 他５名
- Industrial Property Rights Holder
  ビジュ　ヴァスデヴァン　ピライ, 岡本拓也, 他５名
- Industrial Property Rights Type
  特許
- Filing Date
  2022
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] 化学修飾による半導体ナノ結晶のマイクロコンタクトプリンティング2024
- Author(s)
  岡本拓也, Vasudevanpillai Biju
- Organizer
  日本化学会第104春季年会 (2024)
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Plasmon-influenced photoluminescence blinking behavior of lead halide perovskite quantum dots2024
- Author(s)
  Tianci Wang, Lei Duan, Takuya Okamoto, Vasudevan pillai Biju
- Organizer
  日本化学会第104春季年会 (2024)
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Dual Emission Modulation of Zero-Dimensional Hybrid Copper Halides2024
- Author(s)
  Rahul Ghosh Dastidar, Takuya Okamoto, Biju Vasudevan Pillai
- Organizer
  日本化学会第104春季年会 (2024)
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] 二座配位子により形成したハロゲン化鉛ペロブスカイト超結晶の構造と光物性2023
- Author(s)
  岡本拓也, Vasudevanpillai BIJU
- Organizer
  日本化学会第103春季年会(2023)
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Defect passivation and halide exchange in amphiphilic ligand- capped CsPbBr3 perovskite nanocrystals2023
- Author(s)
  Most Farida Khatun, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  The 24th RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Methylammonium lead bromide perovskite supercrystals prepared by ligand exchange on nanocrystals2023
- Author(s)
  Tianci Wang, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  The 24th RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Blinking Photoluminescence of Narrow Bandgap Halide Perovskites2023
- Author(s)
  Tianci Wang, Duan Li, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  The 2023 RIES-CEFMS (Research Institute for Electronic Science-Center for Emergent Functional Matter Science) Joint International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Structures and Optical Properties of Halide Perovskite Assemblies2023
- Author(s)
  Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  The 31st International Conference on Photochemistry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Slipping-Free Halide Perovskite Supercrystals Formed from Nanocrystals using Bidentate Ligands2023
- Author(s)
  Takuya OKAMOTO, Vasudevanpillai BIJU
- Organizer
  2023年光化学討論会
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Luminescent 0D Hybrid Copper Halide Single Crystals2023
- Author(s)
  Rahul Ghosh DASTIDAR, Takuya OKAMOTO, Vasdevan Pillai BIJU
- Organizer
  2023年光化学討論会
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Heat-Induced Modulating the Excitonic Properties of Halide Perovskite Assemblies using Polymer Microenvironments2023
- Author(s)
  Most Farida Khatun, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  The 31st International Conference on Photochemistry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Thermodynamically Controlled Crystallization of Halide Perovskites2023
- Author(s)
  Dong, ZHANG, Takuya OKAMOTO, Vasudevanpillai BIJU
- Organizer
  2023年光化学討論会
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Dual Photoluminescence of Copper Halide Single Crystals2023
- Author(s)
  Rahul Ghosh Dastidar, Takuya Okamoto, Kiyonori Takahashi, Yuta Takano, Ch. Subrahmanyam, Vasudevanpillai Biju
- Organizer
  The 2023 RIES-CEFMS (Research Institute for Electronic Science-Center for Emergent Functional Matter Science) Joint International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Thermodynamically Size- and Shape-Controlled Crystallization of MAPbBr3 Single Crystals2023
- Author(s)
  Dong Zhang, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  The 31st International Conference on Photochemistry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Excitons in Halide Perovskite Assemblies2023
- Author(s)
  Takuya Okamoto
- Organizer
  The 2023 RIES-CEFMS (Research Institute for Electronic Science-Center for Emergent Functional Matter Science) Joint International Symposium
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Preparation and Properties of Low-Dimensional Hybrid Metal Halide Crystals2023
- Author(s)
  Rahul Ghosh Dastidar, Takuya Okamoto, Ch. Subrahmanyam, and Vasudevanpillai Biju
- Organizer
  The 24th RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Roles of Additives and Solvent in the Formation of Homogeneous MAPbBr3 Microcrystals2022
- Author(s)
  Dong Zhang, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  The 23rd RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] 機械的刺激による自己組織化ハロゲン化鉛ペロブスカイト量子ドットの発光挙動制御2022
- Author(s)
  岡本拓也、Zhijing Zhang、Vasudevanpillai BIJU
- Organizer
  日本化学会第102春季年会 (2022)
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Crystal Size-Dependent Photoluminescence of Methylammonium Lead Bromide Perovskite2022
- Author(s)
  Lei Duan, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  The 23rd RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Controlling Excitonic Recombination in Halide Perovskite Assemblies using Polymer Microenvironment2022
- Author(s)
  Most Farida Khatun, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  The 23rd RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Mechanical Modulation of Photoluminescence in Self-Assembled Lead Halide Perovskite Quantum Dots2022
- Author(s)
  Takuya OKAMOTO, Zhang ZHIJING, Vasudevanpillai BIJU
- Organizer
  2022年光化学討論会
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Transporting and transferring electrons across perovskite-acceptor interfaces.2022
- Author(s)
  Sachith Bhagyashree Mahesha, Takuya Okamoto, Ghimire Sushant, Tomokazu Umeyama, Yuta Takano, Hiroshi Imahori, Vasudevanpillai Biju
- Organizer
  日本化学会第102春季年会 (2022)
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Optimizing single-crystal perovskite sizes, shapes, and their roles on electroluminescence blinking2022
- Author(s)
  Dong Zhang, Takuya Okamoto, VasudevanPillai Biju
- Organizer
  日本化学会第102春季年会 (2022)
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Homogenous size and shape MAPbBr3 microcrystal preparation and optical properties investigation2021
- Author(s)
  Dong Zhang, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  the 22nd RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Mechanically Modulated Emission from Perovskite Quantum Dot Assemblies2021
- Author(s)
  Zhijing ZHANG, Takuya OKAMOTO, Vasdevan Pillai BIJU
- Organizer
  2021年web光化学討論会
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] ハロゲン化鉛ペロブスカイト結晶におけるハロゲン欠陥回復2021
- Author(s)
  岡本拓也, Muhammad SHAHJAHAN, Vasudevanpillai BIJU
- Organizer
  第7回北海道大学部局横断シンポジウム
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Long-Range Trapping of Photogenerated Electrons in Halide Perovskite Films2021
- Author(s)
  Sachith Bhagyashree MAHESHA1, Sushant GHIMIRE, Takuya OKAMOTO, Tomokazu UMEYAMA, Yuta TAKANO, Hiroshi IMAHORI, Vasudevanpillai BIJU
- Organizer
  2021年web光化学討論会
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] A Microspectroscopic Evaluation of Halide Vacancy Filling Kinetics in Organolead Halide Perovskite Microcrystals2021
- Author(s)
  Takuya OKAMOTO, Muhammad SHAHJAHAN, Vasudevanpillai BIJU
- Organizer
  the 22nd RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Trapping and Accumulation of Photogenerated Charge Carriers in Bandgap Engineered Lead Halide Perovskite Heterostructures2021
- Author(s)
  Md Shahjahan, Takuya Okamoto, B M Sacith, Lata Chouhan, Vasudevanpillai Biju
- Organizer
  the 22nd RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] An Evaluation of Shape-dependent Kinetics of Defect Filling in Organolead Halide Perovskites2021
- Author(s)
  Takuya OKAMOTO, Muhammad SHAHJAHAN, Vasudevanpillai BIJU
- Organizer
  11th Asian and Oceanian Photochemistry Conference (APC2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] A Microspectroscopic Evaluation of Shape-Dependent Halide Vacancy Filling Kinetics in Lead Halide Perovskites2021
- Author(s)
  Takuya OKAMOTO, Muhammad SHAHJAHAN, Vasudevanpillai BIJU
- Organizer
  2021年web光化学討論会
- Data Source
  KAKENHI-PROJECT-21K14580
[Presentation] Tuning the Structure and Emission Color of Self-Assembled Halide Perovskite Nanocrystals by Mechanical Distortions2021
- Author(s)
  Zhijing Zhang, Takuya Okamoto, Vasudevanpillai Biju
- Organizer
  the 22nd RIES-Hokudai International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14580

1. BIJU V・Pillai

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
2. 押切友也

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Okamoto Takuya 岡本 拓也

Research Projects

Research Products

Co-Researchers

Development of low-threshold and narrow-band nanolaser of perovskite crystal and nanocavityPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Dual-color photoluminescence modulation of zero-dimensional hybrid copper halide microcrystals2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Photosensitizer-singlet oxygen sensor conjugated silica nanoparticles for photodynamic therapy and bioimaging2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Distance-Dependent Energy Transfer under Modal Strong Coupling from CdSe/ZnS Quantum Dots to a Plasmonic Fabry?P?rot Cavity2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Thermodynamically and Kinetically Controlled Nucleation and Growth of Halide Perovskite Single Crystals2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Self-assembled halide perovskite quantum dots in polymer thin films showing temperature-controlled exciton recombination2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Highly Luminescent and Stable Halide Perovskite Nanocrystals by Interfacial Defect Passivation and Amphiphilic Ligand Capping2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Lead‐Free Halide Perovskite Materials and Optoelectronic Devices: Progress and Prospective2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Slipping‐Free Halide Perovskite Supercrystals from Supramolecularly‐Assembled Nanocrystals2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Photoinduced interfacial electron transfer from perovskite quantum dots to molecular acceptors for solar cells2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Halide Perovskite Single Crystals and Nanocrystal Films as Electron Donor‐Acceptor Heterojunctions2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Mechano-optical Modulation of Excitons and Carrier Recombination in Self-Assembled Halide Perovskite Quantum Dots2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Shape-Dependent Kinetics of Halide Vacancy Filling in Organolead Halide Perovskites2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Long-Range Interfacial Charge Carrier Trapping in Halide Perovskite-C60 and Halide Perovskite-TiO2 Donor-Acceptor Films2021

Author(s)

Journal Title

DOI

Data Source

[Patent] ＰＱＤを含むフィルムの発光波長を短波長側に変化させる方法、並びに、複数のＰＱＤの凝集体及びその製造方法2022

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Filing Date

Okamoto Takuya 岡本拓也