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J-GLOBAL ID：202001017636793570 Update date: Sep. 27, 2024

Yokoyama Daisuke

ヨコヤマダイスケ | Yokoyama Daisuke

Affiliation and department：
Job title：准教授

Research field (3)： Basic physical chemistry , Organic functional materials , Nanomaterials

Research keywords (4)：有機EL , 有機非晶質 , エリプソメトリー , 分子配向

Research theme for competitive and other funds (13)：

2022 - 2025 非平衡ナノ相分離非晶質薄膜の構造制御による光学物性開拓と有機EL応用
2020 - 2023 Multifunctional smart hole-transporters realizing extremely low-power-consumption and long life OLEDs
2017 - 2019 超低消費電力ICT発光有機ELデバイスの開発
2017 - 2019 有機半導体薄膜の研究
2015 - 2017 有機半導体レーザ用格子整合条件フリーハイブリッドミラーの実現

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Papers (58)：

Natsuo Nagamura, Hisahiro Sasabe, Hiroki Sato, Nozomi Ito, Shoki Abe, Yoshihito Sukegawa, Daisuke Yokoyama, Hironori Kaji, Junji Kido. Robust Spirobifluorene Core Based Hole Transporters with High Mobility for Long-Life Green Phosphorescent Organic Light-Emitting Devices. Chemistry - A European Journal. 2022. 29. 1
Natsuo Nagamura, Hisahiro Sasabe, Hiroki Sato, Takahiro Kamata, Nozomi Ito, Suguru Araki, Shoki Abe, Yoshihito Sukegawa, Daisuke Yokoyama, Hironori Kaji, et al. A multifunctional hole-transporter for high-performance TADF OLEDs and clarification of factors governing the transport property by multiscale simulation. Journal of Materials Chemistry C. 2022. 10. 22. 8694-8701
Hisahiro Sasabe, Suguru Araki, Shoki Abe, Nozomi Ito, Kengo Kumada, Taito Noda, Yoshihito Sukegawa, Daisuke Yokoyama, Junji Kido. Four Dibenzofuran-Terminated High-Triplet-Energy Hole Transporters for High-Efficiency and Long-Life Organic Light-Emitting Devices. Chemistry - A European Journal. 2022
Yoshihito Sukegawa, Yoshiya Sakai, Daisuke Yokoyama. Model-free analysis of molecular orientation in amorphous organic semiconductor films for understanding its formation dynamics: Methods and systematic investigation. ORGANIC ELECTRONICS. 2022. 100
Daisuke Yokoyama, Tatsuki Sasaki, Yasutaka Suzuki, Takefumi Abe, Kaori Tsuruoka, Tatsuya Miyajima, Toshifumi Kakiuchi, Chiho Morita, Masaharu Aoki, Yasuhiro Ouchi, et al. Active refractive index control using a stably evaporable perfluororesin for high-outcoupling-efficiency organic light-emitting diodes. JOURNAL OF MATERIALS CHEMISTRY C. 2021. 9. 34. 11115-11125

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MISC (3)：

渡邊雄一郎, 笹部久宏, 笹部久宏, 笹部久宏, 小金澤智之, 片桐洋史, 片桐洋史, 大久哲, 大久哲, 大久哲, et al. ピリジン系電子輸送材料の能動的分子配向制御とGIWAXDによる検証. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2018. 65th
Yutaka Noguchi, Daisuke Yokoyama, Tsuyoshi Minami. Editors' note. 2017. 28. 1
渡邊雄一郎, 笹部久宏, 笹部久宏, 大久哲, 大久哲, 小金澤智之, 片桐洋史, 片桐洋史, 横山大輔, 横山大輔, et al. 分子内・分子間水素結合を利用した水平配向性ビピリジン誘導体電子輸送材料の開発. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2016. 63rd

Patents (13)：

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
有機光学デバイス及びこれを用いた有機電子デバイス
有機半導体材料
電荷輸送性非晶質薄膜の分子配向方向の制御方法及び電荷輸送性非晶質薄膜の製造方法
光電変換素子の製造方法、光電変換素子、固体撮像素子

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Lectures and oral presentations (26)：

Outcoupling enhancement by organic materials inside OLEDs: Control of molecular orientation and refractive index
(IDW '18 (The 25th International Display Workshops) 2018)
Understanding of the nature of amorphous organic semiconductor films for OLEDs
(EL2018 2018)
Effects of interface structures on thermal stability of OLED films
(IMID2018 (The 18th International Meeting on Information Display) 2018)
Thermal stability of amorphous films in OLEDs
(IMID2017 (The 17th International Meeting on Information Display) 2017)
Molecular orientation in OLEDs: Order in disorder in amorphous organic films
(ISOME2016 (9th International Symposium on Organic Molecular Electronics) 2016)

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Education (3)：

2007 - 2009 Kyushu University
1998 - 2000 The University of Tokyo Graduate School of Science Department of Chemistry
1994 - 1998 The University of Tokyo Faculty of Science Department of Chemistry

Professional career (2)：

修士(理学) (東京大学)
博士(工学) (九州大学)

Work history (6)：

2016 - 現在 Yamagata University
2013 - 2016 Yamagata University
2009 - 2013 Yamagata University Graduate School of Science and Engineering
2009 - 2009 Kyushu University Center for Future Chemistry
2007 - 2008 独立行政法人科学技術振興機構 CREST研究員

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Committee career (6)：

2019 - 現在有機EL討論会運営委員
2012 - 現在有機EL討論会論文審査委員
2016 - 2018 応用物理学会有機・バイオエレクトロニクス分科会企画・編集幹事
2015 - 2017 IMID Technical Program Committee
2012 - 2016 応用物理学会 12.4有機EL・トランジスタプログラム委員

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Awards (6)：

2015 - 日本化学会第29回若い世代の特別講演会表彰
2011 - 応用物理学会第9回応用物理学会有機分子・バイオエレクトロニクス(M&BE)分科会奨励賞
2011 - 有機EL討論会第4回業績賞
2009 - コニカミノルタ画像科学振興財団平成21年度進歩賞
2008 - 有機EL討論会第6回例会講演奨励賞

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Association Membership(s) (6)：

応用物理学会 , 日本化学会 , 有機EL討論会 , 高分子学会 , SPIE , MRS

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