Yokoyama Daisuke 横山大輔

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YOKOYAMA Daisuke 横山大輔

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Researcher Number	00518821
Other IDs
Affiliation (Current)	2025: 山形大学, 大学院有機材料システム研究科, 准教授
Affiliation (based on the past Project Information) *help	2016 – 2024: 山形大学, 大学院有機材料システム研究科, 准教授 2015: 山形大学, 大学院理工学研究科, 准教授 2013 – 2015: 山形大学, 理工学研究科, 准教授 2012: 山形大学, 大学院・理工学研究科, 准教授 2011 – 2012: 山形大学, 理工学研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 28030:Nanomaterials-related / Organic and hybrid materials / Device related chemistry / Functional materials/Devices Except Principal Investigator Basic Section 35030:Organic functional materials-related / Device related chemistry
Keywords	Principal Investigator 屈折率 / 屈折率制御 / 非晶質 / 有機半導体 / 半導体物性 / 有機EL / エレクトレット / 分子配向 / 化学物理 / 先端機能デバイス … More / 光物性 / ナノポーラス / 非平衡 / ナノ相分離 / 有機レーザ / 無機半導体 / 有機・無機ハイブリッド / 電荷移動錯体 / ブラッグミラー / 電荷移動 / 蒸着膜 / 透明性 / ハイブリッド / 混合膜 / 導電性 / 高反射率 / 低屈折率材料 / 無機酸化物半導体 / VCSEL / 垂直共振器表面発光型レーザ / 多層膜ミラー / 有機半導体レーザ / 光学設計自由度 / 超低屈折率 / 非晶質有機薄膜 / 光取り出し効率 / 複屈折 / 有機半導体デバイス / 光制御 / 有機デバイス / 光伝搬制御 / 環境対応 … More Except Principal Investigator 有機EL / 低消費電力 / 長寿命 / 長寿命化 / 熱活性化遅延蛍光材料 / アリールアミン誘導体 / 結合解離エネルギー / 界面制御 / ホール輸送材料 / 熱活性化遅延蛍光 / 光化学 / 有機半導体デバイス / 有機合成化学 / 有機半導体材料 Less

Exploration of optical properties by structural control of non-equilibrium nanophase-separated amorphous films and their applications for OLEDsPrincipal Investigator
- Principal Investigator
  
  横山大輔
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 28030:Nanomaterials-related
- Research Institution
  Yamagata University
Multifunctional smart hole-transporters realizing extremely low-power-consumption and long life OLEDs
- Principal Investigator
  
  Sasabe Hisahiro
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 35030:Organic functional materials-related
- Research Institution
  Yamagata University
Development of extremely low-power consumption OLEDs using ICT emission
- Principal Investigator
  
  SASABE Hisahiro
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Device related chemistry
- Research Institution
  Yamagata University
Realization of a lattice-match-free hybrid mirror for organic semiconductor lasersPrincipal Investigator
- Principal Investigator
  
  Daisuke Yokoyama
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Organic and hybrid materials
- Research Institution
  Yamagata University
Widening of optical design freedom of organic thin films for high-performance organic semiconductor devicesPrincipal Investigator
- Principal Investigator
  
  YOKOYAMA Daisuke
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Device related chemistry
- Research Institution
  Yamagata University
Development of organic switchable mirrors by active control ofrefractive indices of organic semiconductor thin filmsPrincipal Investigator
- Principal Investigator
  
  YOKOYAMA Daisuke
- Project Period (FY)
  2011 – 2012
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Functional materials/Devices
- Research Institution
  Yamagata University

[Book] 有機半導体の開発と最新動向　第６章2024
- Author(s)
  横山大輔（監修：安達千波矢）
- Total Pages
  14
- Publisher
  シーエムシー出版
- ISBN
  9784781317632
- Data Source
  KAKENHI-PROJECT-23K23170
[Journal Article] Robust Spirobifluorene Core Based Hole Transporters with High Mobility for Long-Life Green Phosphorescent Organic Light-Emitting Devices2023
- Author(s)
  Natsuo Nagamura, Hisahiro Sasabe, Hiroki Sato, Nozomi Ito, Shoki Abe, Yoshihito Sukegawa, Daisuke Yokoyama, Hironori Kaji and Junji Kido
- Journal Title
  
  Chem. Eur. J.
  
  Volume: 29 Issue: 1
- DOI
  10.1002/chem.202202636
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-20H05840, KAKENHI-PROJECT-20H02807
[Journal Article] A multifunctional hole-transporter for high-performance TADF OLEDs and clarification of factors governing the transport property by multiscale simulation2022
- Author(s)
  Natsuo Nagamura, Hisahiro Sasabe, Hiroki Sato, Takahiro Kamata, Nozomi Ito, Suguru Araki, Shoki Abe, Yoshihito Sukegawa, Daisuke Yokoyama, Hironori Kaji and Junji Kido
- Journal Title
  
  J. Mater. Chem. C
  
  Volume: 10 Issue: 22 Pages: 8694-8701
- DOI
  10.1039/d2tc00716a
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-20H05840, KAKENHI-PROJECT-20H02807
[Journal Article] Four Dibenzofuran‐Terminated High‐Triplet‐Energy Hole Transporters for High‐Efficiency and Long‐Life Organic Light‐Emitting Devices2022
- Author(s)
  Sasabe Hisahiro、Araki Suguru、Abe Shoki、Ito Nozomi、Kumada Kengo、Noda Taito、Sukegawa Yoshihito、Yokoyama Daisuke、Kido Junji
- Journal Title
  
  Chemistry A European Journal
  
  Volume: 28 Issue: 13
- DOI
  10.1002/chem.202104408
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02807
[Journal Article] A terpyridine-modified chrysene derivative as an electron transporter to improve the lifetime in phosphorescent OLEDs2020
- Author(s)
  Owada Tsukasa、Sasabe Hisahiro、Sukegawa Yoshihito、Watanabe Taiki、Maruyama Tomohiro、Watanabe Yuichiro、Yokoyama Daisuke、Kido Junji
- Journal Title
  
  Journal of Materials Chemistry C
  
  Volume: 8 Issue: 9 Pages: 3200-3205
- DOI
  10.1039/c9tc06393e
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H03131, KAKENHI-PROJECT-20H02807
[Journal Article] Simultaneous realization of high-efficiency, low-drive voltage, and long lifetime TADF OLEDs by multifunctional hole-transporters2020
- Author(s)
  Kamata Takahiro、Sasabe Hisahiro、Ito Nozomi、Sukegawa Yoshihito、Arai Ayato、Chiba Takayuki、Yokoyama Daisuke、Kido Junji
- Journal Title
  
  Journal of Materials Chemistry C
  
  Volume: 8 Issue: 21 Pages: 7200-7210
- DOI
  10.1039/d0tc00330a
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H02807
[Journal Article] Molecular Orientations of Delayed Fluorescent Emitters in a Series of Carbazole-Based Host Materials2020
- Author(s)
  Hisahiro Sasabe, Yuki Chikayasu, Satoru Ohisa, Hiroki Arai, Tatsuya Ohsawa, Ryutaro Komatsu, Yuichiro Watanabe, Daisuke Yokoyama, Junji Kido
- Journal Title
  
  Frontiers in Chemistry
  
  Volume: 8 Pages: 427-427
- DOI
  10.3389/fchem.2020.00427
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K15441, KAKENHI-PROJECT-20H02807
[Journal Article] Control of Molecular Orientation in Organic Semiconductor Films using Weak Hydrogen Bonds2019
- Author(s)
  Watanabe Yuichiro、Yokoyama Daisuke、Koganezawa Tomoyuki、Katagiri Hiroshi、Ito Takashi、Ohisa Satoru、Chiba Takayuki、Sasabe Hisahiro、Kido Junji
- Journal Title
  
  Advanced Materials
  
  Volume: 31 Issue: 18 Pages: 1808300-1808300
- DOI
  10.1002/adma.201808300
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H03131
[Journal Article] Horizontally Orientated Sticklike Emitters: Enhancement of Intrinsic Out-Coupling Factor and Electroluminescence Performance2017
- Author(s)
  Liu Ming、Komatsu Ryutaro、Cai Xinyi、Hotta Katsuyuki、Sato Shugo、Liu Kunkun、Chen Dongcheng、Kato Yuki、Sasabe Hisahiro、Ohisa Satoru、Suzuri Yoshiyuki、Yokoyama Daisuke、Su Shi-Jian、Kido Junji
- Journal Title
  
  Chemistry of Materials
  
  Volume: 29 Issue: 20 Pages: 8630-8636
- DOI
  10.1021/acs.chemmater.7b02403
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03131
[Journal Article] Anisotropic materials in OLEDs for high outcoupling efficiency2015
- Author(s)
  Michiel Koen Callens, Daisuke Yokoyama, Kristiaan Neyts
- Journal Title
  
  Optics Express
  
  Volume: 23 Issue: 16 Pages: 21128-21148
- DOI
  10.1364/oe.23.021128
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25708038
[Journal Article] Photopatterning of indomethacin thin films: a solvent-free vapor-deposited photoresist2015
- Author(s)
  Katherine L. Camera, Jaritza Gomez-Zayas, Daisuke Yokoyama, Mark D. Ediger, Christopher K. Ober
- Journal Title
  
  ACS Applied Materials & Interfaces
  
  Volume: 7 Issue: 42 Pages: 23398-23401
- DOI
  10.1021/acsami.5b05361
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25708038
[Journal Article] Advantages and disadvantages of vacuum-deposited and spin-coated amorphous organic semiconductor films for organic light-emitting diodes2015
- Author(s)
  Maki Shibata, Yoshiya Sakai, Daisuke Yokoyama
- Journal Title
  
  Journal of Materials Chemistry C
  
  Volume: 3 Issue: 42 Pages: 11178-11191
- DOI
  10.1039/c5tc01911g
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25708038
[Journal Article] Simple model-free estimation of orientation order parameters of vacuum-deposited and spin-coated amorphous films used in organic light-emitting diodes2015
- Author(s)
  Yoshiya Sakai, Maki Shibata, Daisuke Yokoyama
- Journal Title
  
  Applied Physics Express
  
  Volume: 8 Issue: 9 Pages: 096601-096601
- DOI
  10.7567/apex.8.096601
- NAID
  210000137661
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25708038
[Journal Article] 非晶質有機半導体デバイスの光学設計自由度の拡張：分子配向制御と屈折率制御2014
- Author(s)
  横山大輔
- Journal Title
  
  応用物理
  
  Volume: 83 Pages: 279-283
- NAID
  130007718504
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25708038
[Journal Article] Wide-range refractive index control of organic semiconductor films toward advanced optical design of organic optoelectronic devices2012
- Author(s)
  Daisuke Yokoyama、Ken-ichi Nakayama、Toshiya Otani、Junji Kido
- Journal Title
  
  Advanced Materials
  
  Volume: Vol.24、No. 47 Issue: 47 Pages: 6368-6373
- DOI
  10.1002/adma.201202422
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23750205
[Journal Article] Molecular orientation in small-molecule organic light-emitting diodes2011
- Author(s)
  Daisuke Yokoyama
- Journal Title
  
  Journal of Materials Chemistry
  
  Volume: 21 Issue: 48 Pages: 19187-19202
- DOI
  10.1039/c1jm13417e
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23750205
[Patent] 電荷輸送層および有機光電子素子ならびにその製造方法2017
- Inventor(s)
  横山大輔、阿部岳文、桑名保宏
- Industrial Property Rights Holder
  横山大輔、阿部岳文、桑名保宏
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2017-021388
- Filing Date
  2017-02-08
- Data Source
  KAKENHI-PROJECT-15K13768
[Patent] 電荷輸送層および有機光電子素子並びにその製造方法2017
- Inventor(s)
  横山大輔、阿部岳文、桑名保宏
- Industrial Property Rights Holder
  横山大輔、阿部岳文、桑名保宏
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2017-161636
- Filing Date
  2017
- Data Source
  KAKENHI-PROJECT-15K13768
[Patent] 電荷輸送層および有機光電子素子ならびにその製造方法2017
- Inventor(s)
  横山大輔、阿部岳文、桑名保宏
- Industrial Property Rights Holder
  横山大輔、阿部岳文、桑名保宏
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2017-161637
- Filing Date
  2017
- Data Source
  KAKENHI-PROJECT-15K13768
[Patent] 電荷輸送層および有機光電子素子並びにその製造方法2016
- Inventor(s)
  横山大輔、阿部岳文、桑名保宏
- Industrial Property Rights Holder
  横山大輔、阿部岳文、桑名保宏
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2016-242466
- Filing Date
  2016-12-14
- Data Source
  KAKENHI-PROJECT-15K13768
[Patent] 有機電荷輸送層、有機ＥＬデバイス、有機半導体デバイス及び有機光電子デバイス2015
- Inventor(s)
  横山大輔、鈴木泰隆、曾田航
- Industrial Property Rights Holder
  横山大輔、鈴木泰隆、曾田航
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2015-121641
- Filing Date
  2015-06-17
- Data Source
  KAKENHI-PROJECT-15K13768
[Patent] 有機電荷輸送層、有機ＥＬデバイス、有機半導体デバイス及び有機光電子デバイス2015
- Inventor(s)
  横山大輔、鈴木泰隆、會田航
- Industrial Property Rights Holder
  横山大輔、鈴木泰隆、會田航
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2015-121641
- Filing Date
  2015-06-17
- Data Source
  KAKENHI-PROJECT-25708038
[Patent] 有機光学デバイス及びこれを用いた有機電子デバイス2012
- Inventor(s)
  横山大輔、城戸淳二
- Industrial Property Rights Holder
  国立大学法人山形大学
- Industrial Property Number
  2012-172725
- Filing Date
  2012-08-03
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] フッ素樹脂を用いた超低屈折率正孔輸送層による有機EL光取り出し効率の向上2023
- Author(s)
  横山大輔、佐々木樹、鈴木泰隆、阿部岳文、鶴岡薫、宮嶋達也、柿内俊文、森田千穂、青木雅治、大内靖弘、會田航、桑名保宏、野口裕
- Organizer
  映像情報メディア学会情報ディスプレイ研究会ディスプレイ技術シンポジウム2023
- Invited
- Data Source
  KAKENHI-PROJECT-23K23170
[Presentation] Super-low-refractive-index hole transport layers with perfluororesin for high-outcoupling-efficiency OLEDs2022
- Author(s)
  Daisuke Yokoyama, Tatsuki Sasaki, Yasutaka Suzuki, Takefumi Abe, Kaori Tsuruoka, Tatsuya Miyajima, Toshifumi Kakiuchi, Chiho Morita, Masaharu Aoki, Yasuhiro Ouchi, Wataru Aita, Yasuhiro Kuwana, Yutaka Noguchi
- Organizer
  IDW '22 (The 29th International Display Workshops)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K23170
[Presentation] 超低屈折率多孔質正孔輸送層を用いた高効率有機EL素子2022
- Author(s)
  青木雅治、熊木治郎、日下部悠、梶弘典、横山大輔
- Organizer
  有機EL討論会第35回例会
- Data Source
  KAKENHI-PROJECT-23K23170
[Presentation] 高性能TADF型有機ELを実現する多機能型ホール輸送材料とマルチスケールシミュレーションによる定量的解析2021
- Author(s)
  長村夏生、笹部久宏、佐藤弘毅、伊藤望、鎌田嵩弘、荒木卓、阿部翔希、鮏川慶仁、横山大輔、梶弘典、城戸淳二
- Organizer
  第82回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-20H02807
[Presentation] カルバゾール誘導体ホスト材料中での熱活性化遅延系高分子の分子配向2020
- Author(s)
  笹部久宏、近安佑樹、大久哲、荒井博貴、大澤達矢、小松龍太郎、渡邊雄一郎、横山大輔、城戸淳二
- Organizer
  第67回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-17H03131
[Presentation] Terpyridine-containing chrysene derivatives as an electron-transporter to improve lifetime in green phosphorescent OLEDs2019
- Author(s)
  Tsukasa Owada, Hisahiro Sasabe, Yoshihito Sukegawa, Taiki Watanabe, Tomohiro Maruyama, Yuichiro Watanabe, Daisuke Yokoyama, Junji Kido
- Organizer
  The Second International Conference of Polymeric and Organic Materials in Yamagata University (2nd IPOMY)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H03131
[Presentation] スピロビアクリジン含有水平配向性TADF材料を用いた超高効率有機EL素子2018
- Author(s)
  小松龍太郎、Liu Ming、Cai Xinyi、堀田克之、佐藤守悟、Liu Kunkun、Chen Dongcheng、加藤裕貴、笹部久宏、大久哲、硯里善幸、横山大輔、Su Shi-Jian、城戸淳二
- Organizer
  第65回応用物理学会春季学術講演会、早稲田、早稲田大学西早稲田キャンパス、2018年3月18日、18p-D102-3
- Data Source
  KAKENHI-PROJECT-17H03131
[Presentation] 高反射率導電性有機多層膜ミラーの開発2018
- Author(s)
  沼田健汰、會田航、相田峻佑、佐々木樹、横山大輔
- Organizer
  2018年第65回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] 低分子非晶質有機膜の分子配向形成機構と膜物性2018
- Author(s)
  横山大輔
- Organizer
  2018年第65回応用物理学会春季学術講演会
- Invited
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] 超低屈折率正孔輸送層による高効率有機ELの光取り出し効率向上2017
- Author(s)
  佐々木樹、鈴木泰隆、阿部岳文、鶴岡薫、桑名保宏、野口裕、横山大輔
- Organizer
  有機EL討論会第25回例会
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] 超低屈折率有機正孔輸送層による有機EL 光取り出し効率の向上2017
- Author(s)
  佐々木樹、鈴木泰隆、阿部岳文、鶴岡薫、桑名保宏、野口裕、横山大輔
- Organizer
  2017年第78回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] 分子配向の直接的簡易評価法の開発と成膜条件依存性の分析2016
- Author(s)
  酒井義也、福田瑞香、柴田真希、横山大輔
- Organizer
  2016年春季応用物理学会
- Place of Presentation
  東京工業大学大岡山キャンパス、東京都目黒区
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Molecular orientation in OLEDs: Order in disorder in amorphous organic films2016
- Author(s)
  Daisuke Yokoyama
- Organizer
  ISOME2016 (9th International Symposium on Organic Molecular Electronics)
- Place of Presentation
  Ekinan-Campus "TOKIMATE", Niigata University
- Year and Date
  2016-05-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] 非晶質有機半導体薄膜の屈折率制御とデバイス応用2016
- Author(s)
  横山大輔
- Organizer
  電子情報通信学会誘電・絶縁材料研究会
- Place of Presentation
  金沢大学角間キャンパス
- Year and Date
  2016-07-14
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] Birefringent organic layers in top- and bottom emitting OLEDs2016
- Author(s)
  Michiel Koen Callens, Daisuke Yokoyama, Kristiaan Neyts
- Organizer
  SPIE Optics+Photonics 2016
- Place of Presentation
  San Diego Convention Center, San Diego, US
- Year and Date
  2016-08-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Molecular orientation in OLEDs: Order in disorder in amorphous organic films2016
- Author(s)
  Daisuke Yokoyama
- Organizer
  ISOME2016 (9th International Symposium on Organic Molecular Electronics)
- Place of Presentation
  TOKIMATE, Niigata University, Niigata, Japan
- Year and Date
  2016-05-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Recent Progress on the understanding of molecular states in OLED films: molecular orientation, packing, and mixing2015
- Author(s)
  Daisuke Yokoyama
- Organizer
  IDW '15 (The 22nd International Display Workshops)
- Place of Presentation
  Otsu Prince Hotel, Otsu, Japan
- Year and Date
  2015-12-09
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] Super-low-index hole transport layers and their applications for high outcoupling of OLEDs2015
- Author(s)
  Daisuke Yokoyama, Yasutaka Suzuki, Wataru Aita
- Organizer
  IMID2015 (The 15th International Meeting on Information Display)
- Place of Presentation
  EXCO, Daegu, Republic of Korea
- Year and Date
  2015-08-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 有機半導体材料とエレクトレット材料の混合により作製された超低屈折率電荷輸送層2015
- Author(s)
  鈴木泰隆、會田航、横山大輔
- Organizer
  2015年秋季応用物理学会
- Place of Presentation
  名古屋国際会議場、名古屋市
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] Differences in molecular orientation and density of vacuum- and solution-processed OLED films and their effects on light extraction and thermal stability2015
- Author(s)
  Daisuke Yokoyama, Maki Shibata
- Organizer
  2015 MRS Spring Meeting
- Place of Presentation
  Moscone West, San Francisco, US
- Year and Date
  2015-04-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 超低屈折率正孔輸送層の開発とその有機EL応用2015
- Author(s)
  鈴木泰隆、會田航、柴田真希、横山大輔
- Organizer
  有機EL討論会第20回例会
- Place of Presentation
  千葉大学西千葉キャンパス、千葉市
- Year and Date
  2015-06-18
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 有機EL 蒸着膜の蒸着速度による分子配向･膜密度･熱安定性の変化2015
- Author(s)
  柴田真希、酒井義也、横山大輔
- Organizer
  2015年秋季応用物理学会
- Place of Presentation
  名古屋国際会議場、名古屋市
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 有機半導体材料とエレクトレット材料の混合により作製された超低屈折率電荷輸送層2015
- Author(s)
  鈴木泰隆、會田航、横山大輔
- Organizer
  2015年秋季応用物理学会
- Place of Presentation
  名古屋国際会議場、名古屋市
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Advantages and disadvantages of vacuum- and solution-processed OLED films: Differences in molecular orientation, thermal stability, and interfacial mixing2015
- Author(s)
  Daisuke Yokoyama, Maki Shibata, Yoshiya Sakai
- Organizer
  SPIE Optics+Photonics 2015
- Place of Presentation
  San Diego Convention Center, San Diego, US
- Year and Date
  2015-08-09
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 有機ELスピンコート膜中の分子配向の成膜条件依存性とその直接評価2015
- Author(s)
  酒井義也、柴田真希、横山大輔
- Organizer
  2015年秋季応用物理学会
- Place of Presentation
  名古屋国際会議場、名古屋市
- Year and Date
  2015-09-13
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 超低屈折率正孔輸送層の開発とその有機EL応用2015
- Author(s)
  鈴木泰隆、會田航、柴田真希、横山大輔
- Organizer
  有機EL討論会第20回例会
- Place of Presentation
  千葉大学西千葉キャンパス、千葉市
- Year and Date
  2015-06-18
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] Super-low-index hole transport layers and their applications for high outcoupling of OLEDs2015
- Author(s)
  Daisuke Yokoyama, Yasutaka Suzuki, Wataru Aita
- Organizer
  IMID2015 (The 15th International Meeting on Information Display)
- Place of Presentation
  EXCO, Daegu, Republic of Korea
- Year and Date
  2015-08-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K13768
[Presentation] 分子配向の直接的簡易評価法の開発と成膜条件依存性の分析2015
- Author(s)
  酒井義也、柴田真希、横山大輔
- Organizer
  有機EL討論会第21回例会
- Place of Presentation
  九州大学伊都キャンパス、福岡市
- Year and Date
  2015-11-12
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Anisotropy in OLEDs2015
- Author(s)
  Michiel Koen Callens, Daisuke Yokoyama, Kristiaan Neyts
- Organizer
  SPIE Optics+Photonics 2015
- Place of Presentation
  San Diego Convention Center, San Diego, US
- Year and Date
  2015-08-09
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Recent Progress on the understanding of molecular states in OLED films: molecular orientation, packing, and mixing2015
- Author(s)
  Daisuke Yokoyama
- Organizer
  IDW '15 (The 22nd International Display Workshops)
- Place of Presentation
  Otsu Prince Hotel, Otsu, Japan
- Year and Date
  2015-12-09
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 分光エリプソメトリーによる非晶質有機半導体薄膜の屈折率・密度・分子配向の分析2014
- Author(s)
  横山大輔
- Organizer
  第10回偏光計測研究会
- Place of Presentation
  物質・材料研究機構（茨城県つくば市）
- Year and Date
  2014-09-01
- Invited
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 有機EL材料の真空蒸着膜とスピンコート膜の絶対密度評価2014
- Author(s)
  柴田真希、横山大輔
- Organizer
  第61回応用物理学会春季学術講演会（2014年春季応用物理学会）
- Place of Presentation
  青山学院大学相模原キャンパス（神奈川県相模原市）
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 非晶質有機半導体蒸着膜の密度分析と充填係数評価2013
- Author(s)
  柴田真希、鈴木早紀、村岡宏樹、小川智、横山大輔
- Organizer
  有機EL討論会第17回例会
- Place of Presentation
  朱鷺メッセ（新潟市）
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Optical anisotropy and molecular orientation in amorphous organic semiconductor films2013
- Author(s)
  Daisuke Yokoyama
- Organizer
  The 6th International Conference on Spectroscopic Ellipsometry (ICSE-VI)
- Place of Presentation
  京都リサーチパーク（京都市）
- Invited
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Molecular states in amorphous organic semiconductor films used in OLEDs2013
- Author(s)
  Daisuke Yokoyama
- Organizer
  EuroDisplay2013 (33rd International Display Research Conference)
- Place of Presentation
  Imperial College London (London, UK)
- Invited
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] X線反射率測定による非晶質有機半導体蒸着膜の質量密度分析と充填係数評価2013
- Author(s)
  柴田真希、鈴木早紀、村岡宏樹、小川智、横山大輔
- Organizer
  第74回応用物理学会秋季学術講演会（2013年秋季応用物理学会）
- Place of Presentation
  同志社大学京田辺キャンパス（京都府京田辺市）
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Fundamental properties of vacuum-deposited amorphous organic semiconductor films: density, molecular orientation, and refractive index2013
- Author(s)
  Daisuke Yokoyama
- Organizer
  SPIE Optics+Photonics
- Place of Presentation
  San Diego Convention Center (San Diego, US)
- Invited
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 有機EL中の分子配向と膜物性・デバイス特性2013
- Author(s)
  横山大輔
- Organizer
  有機EL討論会第17回例会
- Place of Presentation
  朱鷺メッセ（新潟市）
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 有機半導体非晶質膜中の官能基配向2012
- Author(s)
  横山大輔
- Organizer
  第73回応用物理学会学術講演会
- Place of Presentation
  松山大学（愛媛県）
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] Functional group orientation in amorphous films of OLED materials2012
- Author(s)
  Daisuke Yokoyama
- Organizer
  SPIE Optics+Photonics
- Place of Presentation
  San Diego, US
- Invited
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] Molecular orientation in OLEDs2012
- Author(s)
  Daisuke Yokoyama
- Organizer
  2012 MRS Spring Meeting
- Place of Presentation
  San Francisco, US
- Invited
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] 有機EL中の分子配向－単分子による描像を超えた議論へ－2012
- Author(s)
  横山大輔
- Organizer
  日本化学会第92春季年会
- Place of Presentation
  横浜、慶應義塾大学日吉キャンパス
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] Control of molecular orientation and refractive index: New degrees of freedom for advanced optical design of OLEDs and OPVs2012
- Author(s)
  Daisuke Yokoyama
- Organizer
  A-COE2012 (The 4th Asian Conference on Organic Electronics)
- Place of Presentation
  Yonezawa, Japan
- Invited
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] 有機EL材料の能動的屈折率制御により作製された有機半導体ブラッグミラー2012
- Author(s)
  横山大輔
- Organizer
  第73回応用物理学会学術講演会
- Place of Presentation
  松山大学（愛媛県）
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] 有機EL材料の能動的屈折率制御により作製された有機半導体ブラッグミラー2012
- Author(s)
  横山大輔、城戸淳二
- Organizer
  第73回応用物理学会学術講演会
- Place of Presentation
  松山大学(愛媛県松山市)
- Year and Date
  2012-09-11
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] IR analysis of functional group orientation in OLED amorphous films2012
- Author(s)
  Daisuke Yokoyama
- Organizer
  IMID2012 (The 12th International Meeting on Information Display)
- Place of Presentation
  Daegu, Republic of Korea
- Invited
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] Control of molecular orientation and refractive index . New degrees of freedom for advanced optical design of OLEDs and OPVs2012
- Author(s)
  Daisuke Yokoyama 、Ziruo Hong 、Junji Kido
- Organizer
  The 4th Asian Conference on Organic Electronics (A-COE2012) 、招待講演No.12
- Place of Presentation
  山形大学( 山形県米沢市)
- Year and Date
  2012-12-20
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] Molecular orientation in organic light-emitting diodes2011
- Author(s)
  Daisuke Yokoyama
- Organizer
  The 11th International Meeting on Information Display (IMID2011)(招待講演)
- Place of Presentation
  ソウル、KINTEX（韓国）
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] 有機EL素子中の分子配向（受賞記念講演）2011
- Author(s)
  横山大輔
- Organizer
  2011年秋季第72回応用物理学会学術講演会(招待講演)
- Place of Presentation
  山形、山形大学小白川キャンパス
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] 赤外多入射角分光エリプソメトリーによる有機ＥＬ材料の官能基配向評価2011
- Author(s)
  横山大輔、堤浩一、鈴木道夫、横山紀昌、宮村将也、古川行夫
- Organizer
  有機ＥＬ討論会第１２回例会
- Place of Presentation
  東京、日本科学未来館
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] Molecular orientation in OLEDs2011
- Author(s)
  Daisuke Yokoyama, Chihaya Adachi, Junji Kido, Yukio Furukawa, and Jongwook Park
- Organizer
  SPIE Optics+Photonics
- Place of Presentation
  サンディエゴ、コンベンションセンター（米国）
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] 非晶性有機薄膜における分子配向の実証と有機ＥＬデバイスへの応用（受賞記念講演）2011
- Author(s)
  横山大輔
- Organizer
  有機ＥＬ討論会第１２回例会(招待講演)
- Place of Presentation
  東京、日本科学未来館
- Data Source
  KAKENHI-PROJECT-23750205
[Presentation] 非晶質有機半導体薄膜の異方性とその有機エレクトロニクスへの応用
- Author(s)
  横山大輔
- Organizer
  第4回CSJ化学フェスタ2014
- Place of Presentation
  タワーホール船堀（東京都江戸川区）
- Year and Date
  2014-10-14 – 2014-10-16
- Invited
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 真空蒸着膜とスピンコート膜の密度と分子配向
- Author(s)
  柴田真希、横山大輔
- Organizer
  有機EL討論会第18回例会
- Place of Presentation
  千葉大学西千葉キャンパス（千葉県稲毛区）
- Year and Date
  2014-07-17 – 2014-07-18
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 低分子非晶質有機半導体薄膜の高次構造分析と有機EL･有機太陽電池への応用
- Author(s)
  横山大輔
- Organizer
  日本化学会第95春季年会（第29回若い世代の特別講演会）
- Place of Presentation
  日本大学理工学部船橋キャンパス（千葉県船橋市）
- Year and Date
  2015-03-26 – 2015-03-29
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Super-low-index hole transport layers and their applications for OLEDs
- Author(s)
  Daisuke Yokoyama, Yasutaka Suzuki, Wataru Aita, Maki Shibata
- Organizer
  IMID 2015 (The 15th International Meeting on Information Display)
- Place of Presentation
  EXCO (Daegu, Korea)
- Year and Date
  2015-08-18 – 2015-08-21
- Invited
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Differences in molecular orientation and density of vacuum- and solution-processed OLED films and their effects on light extraction and thermal stability
- Author(s)
  Daisuke Yokoyama, Maki Shibata
- Organizer
  2015 MRS Spring Meeting & Exhibit
- Place of Presentation
  Moscone West (San Francisco, US)
- Year and Date
  2015-04-06 – 2015-04-10
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] スピンコート成膜条件による膜物性への影響
- Author(s)
  柴田真希、横山大輔
- Organizer
  有機EL討論会第19回例会
- Place of Presentation
  沖縄県市町村自治会館（沖縄県那覇市）
- Year and Date
  2014-11-27 – 2014-11-28
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Advantages and disadvantages of vacuum- and solution-processed OLED films: Differences in molecular orientation, thermal stability, and interfacial mixing
- Author(s)
  Daisuke Yokoyama, Maki Shibata, Yoshiya Sakai
- Organizer
  SPIE Optics+Photonics 2015
- Place of Presentation
  San Diego Convention Center (San Diego, US)
- Year and Date
  2015-08-09 – 2015-08-13
- Invited
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] Differences between vacuum-deposited and spin-coated amorphous films of OLED materials
- Author(s)
  Daisuke Yokoyama, Maki Shibata
- Organizer
  SPIE Optics+Photonics 2014
- Place of Presentation
  San Diego Convention Center (San Diego, US)
- Year and Date
  2014-08-17 – 2014-08-21
- Invited
- Data Source
  KAKENHI-PROJECT-25708038
[Presentation] 成膜法による有機EL材料の膜物性の違い
- Author(s)
  柴田真希、横山大輔
- Organizer
  第75回応用物理学会秋季学術講演会
- Place of Presentation
  北海道大学札幌キャンパス（北海道札幌市）
- Year and Date
  2014-09-17 – 2014-09-20
- Data Source
  KAKENHI-PROJECT-25708038

1. SASABE Hisahiro (10570731)

# of Collaborated Projects: 2 results

# of Collaborated Products: 9 results
2. 片桐洋史 (40447206)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
3. 梶弘典

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
4. 大久哲

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Yokoyama Daisuke 横山 大輔

YOKOYAMA Daisuke 横山 大輔

Research Projects

Research Products

Co-Researchers

Exploration of optical properties by structural control of non-equilibrium nanophase-separated amorphous films and their applications for OLEDsPrincipal Investigator

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Multifunctional smart hole-transporters realizing extremely low-power-consumption and long life OLEDs

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Development of extremely low-power consumption OLEDs using ICT emission

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Realization of a lattice-match-free hybrid mirror for organic semiconductor lasersPrincipal Investigator

Principal Investigator

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Widening of optical design freedom of organic thin films for high-performance organic semiconductor devicesPrincipal Investigator

Principal Investigator

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Development of organic switchable mirrors by active control ofrefractive indices of organic semiconductor thin filmsPrincipal Investigator

Principal Investigator

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[Book] 有機半導体の開発と最新動向 第６章2024

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[Journal Article] Robust Spirobifluorene Core Based Hole Transporters with High Mobility for Long-Life Green Phosphorescent Organic Light-Emitting Devices2023

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[Journal Article] A multifunctional hole-transporter for high-performance TADF OLEDs and clarification of factors governing the transport property by multiscale simulation2022

Author(s)

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[Journal Article] Four Dibenzofuran‐Terminated High‐Triplet‐Energy Hole Transporters for High‐Efficiency and Long‐Life Organic Light‐Emitting Devices2022

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[Journal Article] A terpyridine-modified chrysene derivative as an electron transporter to improve the lifetime in phosphorescent OLEDs2020

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[Journal Article] Simultaneous realization of high-efficiency, low-drive voltage, and long lifetime TADF OLEDs by multifunctional hole-transporters2020

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[Journal Article] Molecular Orientations of Delayed Fluorescent Emitters in a Series of Carbazole-Based Host Materials2020

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[Journal Article] Control of Molecular Orientation in Organic Semiconductor Films using Weak Hydrogen Bonds2019

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Yokoyama Daisuke 横山大輔

YOKOYAMA Daisuke 横山大輔

[Book] 有機半導体の開発と最新動向　第６章2024