SAKAI Ken-ichi 坂井賢一

… Alternative Names

坂井賢一サカイケンイチ

SAKAI Kenichi 坂井賢一

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Researcher Number	50342788
Other IDs	https://orcid.org/0000-0002-4479-6421
Affiliation (Current)	2025: 公立千歳科学技術大学, 理工学部, 教授
Affiliation (based on the past Project Information) *help	2025: 公立千歳科学技術大学, 理工学部, 教授 2019 – 2022: 公立千歳科学技術大学, 理工学部, 准教授 2015 – 2018: 千歳科学技術大学, 理工学部, 准教授 2014: 千歳科学技術大学, 総合光科学部, 准教授 2012 – 2014: 千歳科学技術大学, 光科学部, 准教授 … More 2011: 千歳科学技術大学, 総合光科学部, 准教授 2008 – 2009: Chitose Institute of Science and Technology, 総合光科学部, 講師 2006 – 2007: 千歳科学技術大学, 光科学部, 講師 2005: 信州大学, 繊維学部, 研究員 Less
Review Section/Research Field	Principal Investigator Functional solid state chemistry / Basic Section 35030:Organic functional materials-related / Basic Section 32020:Functional solid state chemistry-related / Functional materials/Devices Except Principal Investigator Functional materials chemistry / Inorganic chemistry
Keywords	Principal Investigator 蛍光 / プロトン移動 / 励起状態分子内プロトン移動 / 水素結合 / クロミズム / 自己組織化 / 集団励起状態 / サリチル酸メチル / 集団励起 / 分子会合体 … More / 発光 / 光物性 / フルカラー蛍光 / 固体蛍光クロミズム / 励起状態 / 有機発光デバイス / レーザ色素 / 有機電子材料 / 分子性固体 / 有機半導体レーザ / 有機電子材料・素子 … More Except Principal Investigator 金属錯体 / 結晶構造 / ポリオキサメタレート / 分子機械 / 誘電応答 / ガス吸着 / 磁性体 / 超分子 / 分子モーター / 分子運動 / ヒステリシス / 分子集合体 / 分極反転 / オルガノゲル / 液晶 / 分子性材料 / 柔粘性結晶 / 光学応答 / 磁性 / 強誘電体 / 水素結合 / 分子回転 / 分子性結晶 / 有機半導体レーザ / レーザ色素 Less

不均一微細構造が内在する小型π分子高密度濃縮系からの新規光・電子機能の創出Principal Investigator
- Principal Investigator
  
  坂井賢一
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 35030:Organic functional materials-related
- Research Institution
  Chitose Institute of Science and Technology
Development of pi-sigma-pi type molecules with assembling ability towards realization of collective excited statePrincipal Investigator
- Principal Investigator
  
  Sakai Ken-ichi
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 32020:Functional solid state chemistry-related
- Research Institution
  Chitose Institute of Science and Technology
Development of ESIPT fluorophores with a ditopic recognition abilityPrincipal Investigator
- Principal Investigator
  
  Sakai Ken-ichi
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Functional solid state chemistry
- Research Institution
  Chitose Institute of Science and Technology
Development of external-field-responsive fluorochromic materials using ESIPT fluorophoresPrincipal Investigator
- Principal Investigator
  
  Sakai Ken-ichi
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Functional solid state chemistry
- Research Institution
  Chitose Institute of Science and Technology
Molecular Rotation and Macofunctions
- Principal Investigator
  
  AKUTAGAWA Tomoyuki
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Functional materials chemistry
- Research Institution
  Tohoku University
Development of next-generation organic light-emitting devices using novel proton-transfer laser dyesPrincipal Investigator
- Principal Investigator
  
  SAKAI Kenichi
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Functional materials/Devices
- Research Institution
  Chitose Institute of Science and Technology
光増幅機能をもつ集積型金属錯体の創出
- Principal Investigator
  
  谷口彬雄
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Inorganic chemistry
- Research Institution
  Shinshu University

[Book] 有機半導体デバイス-基礎から最先端材料・デバイスまで-, 3章有機半導体レーザ, 3. 2プロトン移動型2010
- Author(s)
  坂井賢一
- Publisher
  オーム社(編集中)
- Data Source
  KAKENHI-PROJECT-19750165
[Journal Article] Supramolecular complexation and collective optical properties induced by linking two methyl salicylates via a σ-bridge2022
- Author(s)
  M. Takahashi, K. Sakai, K. Sambe, and T. Akutagawa
- Journal Title
  
  J. Phys. Chem. B
  
  Volume: 126 Issue: 16 Pages: 3116-3124
- DOI
  10.1021/acs.jpcb.2c00842
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K05449, KAKENHI-PROJECT-19H00886, KAKENHI-PROJECT-22KJ0195, KAKENHI-PLANNED-20H05865
[Journal Article] Color changes of a full-color emissive ESIPT fluorophore in response to recognition of certain acids and their conjugate base anions2018
- Author(s)
  S. Tsuchiya, K. Sakai, K. Kawano, Y. Nakane, T. Kikuchi, T. Akutagawa
- Journal Title
  
  Chem. Eur. J.
  
  Volume: 24 Issue: 22 Pages: 5868-5875
- DOI
  10.1002/chem.201705622
- NAID
  120006650285
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05842, KAKENHI-PROJECT-15K01805, KAKENHI-PLANNED-26102007
[Journal Article] ESIPT fluorescent chromism and conformational change of 2-(2-hydroxyphenyl-5'-sulfonic acid)benzothiazole by amine sorption2018
- Author(s)
  Y. Nakane, T. Takeda, N. Hoshino, K. Sakai, and T. Akutagawa
- Journal Title
  
  J. Phys. Chem. C
  
  Volume: 122 Issue: 28 Pages: 16249-16255
- DOI
  10.1021/acs.jpcc.8b03248
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05842, KAKENHI-PLANNED-26102007, KAKENHI-PROJECT-17K19019, KAKENHI-PROJECT-17K14454
[Journal Article] Dual fluorescent zwitterionic organogel of a quinoxalinone derivative using cation-anion detection keys2017
- Author(s)
  Y. Nakane, T. Takeda, N, Hoshino, K. Sakai, T. Akutagawa
- Journal Title
  
  J. Mater. Chem. C
  
  Volume: 5 Issue: 25 Pages: 6234-6242
- DOI
  10.1039/c7tc01242j
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05842, KAKENHI-PROJECT-17K14454, KAKENHI-PLANNED-26102007, KAKENHI-PROJECT-15H03791, KAKENHI-PROJECT-16J03266
[Journal Article] An ESIPT fluorophore with a switchable intramolecular hydrogen bond for applications in solid-state fluorochromism and white light gereration2016
- Author(s)
  K. Sakai, S. Tsuchiya, T. Kikuchi and T. Akutagawa
- Journal Title
  
  J. Mater. Chem. C
  
  Volume: ４ Issue: 10 Pages: 2011-2016
- DOI
  10.1039/c5tc04290a
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26410098, KAKENHI-PLANNED-26102007, KAKENHI-PROJECT-15H03791
[Journal Article] Highly efficient solid-state red fluorophores using ESIPT: crystal packing and fluorescence properties of alkoxy-substituted dibenzothiazolylphenols2014
- Author(s)
  Ken-ichi Sakai, Hiroshi Kawamura, Noriyuki Kobayashi, Takaaki Ishikawa, Chiori Ikeda, Takemitsu Kikuchi, and Tomoyuki Akutagawa
- Journal Title
  
  CrystEngCom
  
  Volume: 16 Issue: 15 Pages: 3180-3185
- DOI
  10.1039/c3ce42109k
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23245027
[Journal Article] Blue-White-Yellow Color-Tunable Excited State Intramolecular Proton Transfer (ESIPT) Fluorophore: Sensitivity to Polar/Nonpolar Solvent Ratio2013
- Author(s)
  Ken-ichi Sakai,* Takaaki Ishikawa, and Tomoyuki Akutagawa
- Journal Title
  
  J. Mater. Chem. C.
  
  Volume: 1 Issue: 47 Pages: 7866-7871
- DOI
  10.1039/c3tc31526f
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23245027, KAKENHI-PROJECT-25620156
[Journal Article] Structural and Spectroscopic Study of 6,7-Dicyano-Substituted Lumazine with High Electron Affinity and Proton Acidity2013
- Author(s)
  Ken-ichi Sakai,* Kenta Nagahara, Yuuya Yoshii, Norihisa Hoshino, and Tomoyuki Akutagawa
- Journal Title
  
  J. Phys. Chem. A
  
  Volume: 7 Issue: 17 Pages: 3614-3624
- DOI
  10.1021/jp401528c
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23245027, KAKENHI-PROJECT-24750050, KAKENHI-PROJECT-25620156
[Journal Article] Excited state intramolecular proton transfer (ESIPT) in six-coordinated zinc(II)-quinoxaline complexes with ligand hydrogen bonds: their fluorescent properties sensitive to axial positions2010
- Author(s)
  K. Sakai, S. Takahasshi, A. Kobayashi, T. Akutagawa, T. Nakamura, M. Dosen, M. Kato, U. Nagashima
- Journal Title
  
  Dalton Trans. 39
  
  Pages: 1989-1995
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19750165
[Journal Article] Excited state intramolecular proton transfer (ESIPT) in six-coordinated zinc(II)-quinoxaline complexes with ligand hydrogen bonds : their fluorescent properties sensitive to axial positions2010
- Author(s)
  Ken-ichi Sakai
- Journal Title
  
  Dalton Trans. 39
  
  Pages: 1989-1995
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19750165
[Journal Article] Lead chloride-based layered perovskite incorporated with an excited state intramolecular proton transfer dye2010
- Author(s)
  K. Sakai, M. Takemura, K. Ueda, Y. Kawabe
- Journal Title
  
  J. Lumin. (submitted)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19750165
[Journal Article] A photoluminescent six-coordinate zinc(II)complex with hydroxide as axial ligands, [Zn(Hhpa)_2(OH)_2] (Hhpa=3-hydroxypicolinamide)2006
- Author(s)
  Ken-ichi Sakai
- Journal Title
  
  Dalton Trans.
  
  Pages: 881-883
- Data Source
  KAKENHI-PROJECT-17655025
[Journal Article] A photoluminescent six-coordinated zinc(II) complex with hydroxides as axial ligands, [Zn(Hhpa)_2(OH)_2] (Hhpa=3-hydroxypicolinamide)2006
- Author(s)
  Ken-ichi Sakai, Tatsuro Imakubo, Musubu Ichikawa, Yoshio Taniguchi
- Journal Title
  
  Dalton Trans.
  
  Pages: 881-881
- Data Source
  KAKENHI-PROJECT-17655025
[Presentation] アルコキシ鎖を連結したサリチル酸メチル誘導体の鎖長に依存した集積特性2023
- Author(s)
  濱舘幸那、山田怜、坂井賢一、芥川智行
- Organizer
  日本化学会北海道支部2023年冬季研究発表会
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] 低分子系π共役キラル分子の会合に伴うキラリティ増強2023
- Author(s)
  小林圭、青木桃佳，坂井賢一、芥川智行
- Organizer
  日本化学会第１０３回春季年会
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] オクタヒドロビナフトールの会合に伴う光学活性発現2023
- Author(s)
  小林圭、青木桃佳，坂井賢一、芥川智行
- Organizer
  日本化学会北海道支部2023年冬季研究発表会
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] 直鎖状置換基を導入したサリチル酸メチルの集積特性2023
- Author(s)
  濱舘幸那、山田怜、坂井賢一、芥川智行
- Organizer
  日本化学会第１０３回春季年会
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] サリチル酸メチルの連結による超分子複合化と集団的光学特性の発現2022
- Author(s)
  高橋未久、坂井賢一、三部宏平、芥川智行
- Organizer
  化学系学協会北海道支部2022年冬季研究発表会
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] Development of methyl salicylate derivatives with an anchor site for self-assembling2022
- Author(s)
  Y. Hamadate, M. Yamazaki, K. Sakai, K. Sambe and T. Akutagawa
- Organizer
  22th Chitose International Forum on Photonics Science and Technology,
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] 自己組織化のためのアンカー部位を連結したサリチル酸メチル誘導体の開発2022
- Author(s)
  濱舘幸那、山崎愛奈、坂井賢一、三部宏平、芥川智行
- Organizer
  日本化学会北海道支部2022年夏季研究発表会
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] Anomalous Absorption and Fluorescence Properties Caused by Assembling of the Methyl Salicylate Dyads2021
- Author(s)
  M. Takahashi, K. Sakai, K. Sambe and T. Akutagawa
- Organizer
  21th Chitose International Forum on Photonics Science and Technology
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] 両末端にサリチル酸メチルを有するπ-σ-π型分子の集積体の形成とそのメカニズムの解析2021
- Author(s)
  高橋未久、坂井賢一、三部宏平、芥川智行
- Organizer
  第11回CSJ化学フェスタ
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] 両末端にサリチル酸メチルを有するπ-σ-π型分子の集積化に伴う光学特性変化2021
- Author(s)
  高橋未久、坂井賢一、三部宏平、芥川智行
- Organizer
  化学系学協会北海道支部2021年冬季研究発表会
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] 集積性を有するサリチル酸メチル連結化合物の光学特性とゲル化能2021
- Author(s)
  高橋未久、山崎愛奈、坂井賢一、三部宏平、芥川智行
- Organizer
  日本化学会第101回春季年会
- Data Source
  KAKENHI-PROJECT-20K05449
[Presentation] ESIPTを利用した光励起による双性イオン種の生成と可逆的クロミズム2020
- Author(s)
  宮本尚也、坂井賢一、河野敬一、芥川智行
- Organizer
  化学系学協会北海道支部2020年冬季研究発表会
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] 両末端にサリチル酸を有するπ-σ-π型分子のプロトン脱着による蛍光制御2020
- Author(s)
  小川愛、坂井賢一、三部宏平、芥川智行
- Organizer
  化学系学協会北海道支部2020年冬季研究発表会
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] 両末端にサリチル酸メチルを有するπ-σ-π型分子の結晶構造と光学特性2020
- Author(s)
  高橋未久、坂井賢一、三部宏平、芥川智行
- Organizer
  化学系学協会北海道支部2020年冬季研究発表会
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] ピリジル基を有するベンゾチアゾール誘導体の発光クロミズムとメカニズム2018
- Author(s)
  高橋慧瑚、中根由太、武田貴志、星野哲久、坂井賢一、芥川智行
- Organizer
  第12回分子科学討論会
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] ジトピック認識特性を有するESIPT型蛍光色素BTImPの多色蛍光発光2018
- Author(s)
  土屋早紀、坂井賢一、河野敬一、中根由太、菊地毅光、芥川智行
- Organizer
  日本化学会第９８回春季年会
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] アントラセンを連結したESIPT型蛍光色素のH2Oセンシング2018
- Author(s)
  坂井賢一、上田愛永、鈴木千尋、芥川智行
- Organizer
  2018年光化学討論会
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] ESIPT型蛍光色素BTImPとアニオンとの錯形成の直接観測：15N-NMRによる評価2018
- Author(s)
  土屋早紀、坂井賢一、河野敬一、中根由太、菊地毅光、芥川智行
- Organizer
  第５７回NMR討論会
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] チオフェンを連結したESIPT色素の蛍光特性2018
- Author(s)
  安田琢硫、坂井賢一、芥川智行
- Organizer
  日本化学会北海道支部2018年夏季研究発表会
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] Solid state fluorochromism based on control of intra- or intermolecular hydrogen bond2017
- Author(s)
  K. Sakai
- Organizer
  KJF-ICOMEP 2017
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] Elucidation of the mechanism of full color emission observed in the ESIPT fluorophore of BTImP2017
- Author(s)
  土屋早紀、坂井賢一、中根由太、芥川智行
- Organizer
  日本化学会第97回春季年会
- Place of Presentation
  慶応義塾大学日吉キャンパス(神奈川県横浜市)
- Year and Date
  2017-03-16
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] Solid-state near-infrared emissive ESIPT fluorophores having a salicylidene aniline skeleton2017
- Author(s)
  Y. Tatemoto, K. Sakai, T. Kikuchi, T. Akutagawa
- Organizer
  18th Chitose International Forum on Photonics Science and Technology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] 分子内水素結合を切替え可能なESIPT色素BTImPの固体蛍光クロミズムと多色蛍光発光2017
- Author(s)
  土屋早紀、坂井賢一、中根由太、菊地毅光、芥川智行
- Organizer
  第１１回分子科学討論会
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] Multicolor fluorescence by two-step switching of hydrogen bond in the ESIPT fluorophore of BTImP2017
- Author(s)
  S. Tsuchiya, K. Sakai, K. Kawano, Y. Nakane, T. Kikuchi, T. Akutagawa
- Organizer
  18th Chitose International Forum on Photonics Science and Technology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05842
[Presentation] A full-color emissive ESIPT fluorophore BTImP that changes color as a response to different anions2016
- Author(s)
  Saki Tsuchiya, Ken-ichi Sakai, Yuta Nakane, Tomoyuki Akutagawa
- Organizer
  17th Chitose International Forum on Photonics Science and Technology
- Place of Presentation
  千歳科学技術大学(北海道千歳市)
- Year and Date
  2016-11-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] ESIPT型色素BTImPの励起波長に依存した多色蛍光特性2016
- Author(s)
  土屋早紀、坂井賢一、菊地毅光、芥川智行
- Organizer
  化学系学協会北海道支部2016年冬季研究発表会
- Place of Presentation
  北海道大学(北海道札幌市）
- Year and Date
  2016-01-19
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] ESIPT型色素のアニオン認識による白を含めた全色蛍光発光2016
- Author(s)
  土屋早紀、安原慶翼、坂井賢一、芥川智行
- Organizer
  2016年光化学討論会
- Place of Presentation
  東京大学駒場第１キャンパス(東京都目黒区)
- Year and Date
  2016-09-06
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] アニオン認識で実現する単一色素からの白を含めた全色蛍光発光2016
- Author(s)
  土屋早紀、安原慶翼、坂井賢一、芥川智行
- Organizer
  日本化学会北海道支部2016年夏季研究発表会
- Place of Presentation
  室蘭工業大学(北海道室蘭市)
- Year and Date
  2016-07-23
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] 分子内水素結合を切換え可能なESIPT色素の置換基効果と蛍光制御2015
- Author(s)
  土屋早紀、坂井賢一、菊地毅光、芥川智行
- Organizer
  日本化学会北海道支部2015年夏季研究発表会
- Place of Presentation
  北海道教育大学函館校（北海道函館市）
- Year and Date
  2015-07-18
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] ESIPT色素を用いた固体近赤外蛍光材料の開発2015
- Author(s)
  舘本雄平、坂井賢一、菊地毅光、芥川智行
- Organizer
  日本化学会北海道支部2015年夏季研究発表会
- Place of Presentation
  北海道教育大学函館校（北海道函館市）
- Year and Date
  2015-07-18
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] サリチル酸誘導体のプロトン脱着に伴う構造安定性の評価2015
- Author(s)
  新居杏太、徳光聖茄、坂井賢一、菊地毅光、芥川智行
- Organizer
  日本化学会北海道支部2015年夏季研究発表会
- Place of Presentation
  北海道教育大学函館校（北海道函館市）
- Year and Date
  2015-07-18
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] 分子内や分子間の水素結合制御による固体蛍光クロミズム2015
- Author(s)
  坂井賢一、土屋早紀、徳光聖茄、菊地毅光、芥川智行
- Organizer
  日本化学会第９５回春季年会
- Place of Presentation
  日本大学理工学部（千葉県習志野市）
- Year and Date
  2015-03-28
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] プロトン脱着をスイッチとした固体蛍光クロミック材料の開発2015
- Author(s)
  徳光聖茄、坂井賢一、芥川智行
- Organizer
  化学系学協会北海道支部２０１５年冬季研究発表会
- Place of Presentation
  北海道大学（北海道札幌市）
- Year and Date
  2015-01-28
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] ESIPT部位の切換えを利用した固体蛍光クロミズム2014
- Author(s)
  土屋早紀、坂井賢一、菊地毅光、芥川智行
- Organizer
  ２０１４年光化学討論会
- Place of Presentation
  北海道大学（北海道札幌市）
- Year and Date
  2014-10-11
- Data Source
  KAKENHI-PROJECT-26410098
[Presentation] π系を拡張したESIPT色素の蛍光発光制御2013
- Author(s)
  坂井賢一，石川貴明，池田千織，菊池毅光，芥川智行
- Organizer
  第7回分子科学討論会2013京都
- Place of Presentation
  京都
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] 分子内水素結合をもつキノキサリンのイミダゾール誘起フォトクロミズム2012
- Author(s)
  大森幹也・坂井賢一・芥川智行
- Organizer
  北海道支部2012 年夏季研究発表会
- Place of Presentation
  旭川工業高等専門学校
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] ルマジンのプロトン状態制御による光・電子機能化2012
- Author(s)
  坂井賢一、長原健太、星野哲久、芥川智行
- Organizer
  日本化学会第92春季年会
- Place of Presentation
  慶応義塾大学
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] クラウンエーテルとウレイド基を導入した蛍光性キノキサリンのイオンセンシング2012
- Author(s)
  芳賀俊哉・坂井賢一・芥川智行
- Organizer
  北海道支部2012 年夏季研究発表会
- Place of Presentation
  旭川工業高等専門学校
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] (m-bromoanilinium+) (dibenzo[18]crown-6)[Ni(dmit)2]-結晶の構造と物性2012
- Author(s)
  中川翔太，久保和也，坂井賢一，野呂真一郎，芥川智行，中村貴義
- Organizer
  第６回分子科学討論会2012
- Place of Presentation
  東京大学
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] プロトン互変異性可能な配位子をもつ亜鉛錯体の軸配位子による光機能制御2011
- Author(s)
  坂井賢一, 大森幹也, 長嶋雲兵, 芥川智行
- Organizer
  第5回分子科学討論会
- Place of Presentation
  札幌コンベンションセンター
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] Optical applications of a fluorescent zinc(II)-quinoxaline complex with intraligand hydrogen bonds2009
- Author(s)
  Ken-ichi Sakai
- Organizer
  Korea-Japan Joint Forum (KJF) 2009 on Organic Materials for Electronics and Photonics
- Place of Presentation
  KAL Hotel in Jeju, KOREA
- Year and Date
  2009-08-25
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] Optical applications of a fluorescent zinc(II)- quinoxaline complex with intraligand hydrogen bonds2009
- Author(s)
  K. Sakai, S. Takahashi, T. Akutagawa, T. Nakamura, U. Nagashima
- Organizer
  Korea-Japan Joint Forum (KJF) 2009 on Organic Materials for Electronics and Photonics
- Place of Presentation
  KAL Hotel in Jeju, Korea
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] The influence of axial ligands on the fluorescent properties of Zn(II) 3-hydroxy-2-quinoxaline- carboxylate complexes2009
- Author(s)
  K. Sakai, S. Takahashi, T. Akutagawa, T. Nakamura, U. Nagashima
- Organizer
  18th International Symposium on the Photochemistry and Photophysics of Coordination Compounds (ISPPCC)
- Place of Presentation
  Gateaux Kingdom in Sapporo
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] Substitution effect on lactam-lactim tautomerism of quinoxaline derivatives and their metal complexes2009
- Author(s)
  S. Takahashi, K. Sakai, T. Akutagawa, T. Nakamura
- Organizer
  10th Chitose International Forum on Photonics Science and Technology
- Place of Presentation
  CIST in Chitose
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] The influence of axial ligands on the fluorescent properties of Zn(II) 3-hydroxy-2-quinoxalinecarboxylate complexes2009
- Author(s)
  Ken-ichi Sakai
- Organizer
  18th International Symposium on the Photochemistry and Photophysics of Coordination Compounds (ISPPCC)
- Place of Presentation
  Gateaux Kingdom in Sapporo
- Year and Date
  2009-07-05
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] 励起状態分子内プロトン移動反応を示す亜鉛錯体の構造と発光特性2008
- Author(s)
  高橋紗未, 石川晴美, 小林中, 坂井賢一, 芥川智行, 中村貴義, 長嶋雲兵
- Organizer
  日本化学会北海道支部2008年夏季研究発表会
- Place of Presentation
  北見工大
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] 複合機能化を目指した新規プロトン移動型レーザ色素の開発2008
- Author(s)
  坂井賢一
- Organizer
  光化学討論会
- Place of Presentation
  大阪府立大
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] 励起状態分子内プロトン移動反応を示す亜鉛錯体の発光特性と軸配位子効果2008
- Author(s)
  坂井賢一, 高橋紗未, 石川晴美, 小林中, 芥川智行, 中村貴義, 長嶋雲兵
- Organizer
  第21回配位化合物の光化学討論会
- Place of Presentation
  北里大
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] プロトン移動型レーザ色素の置換基導入による光・電子機能制御2008
- Author(s)
  岡田孟矩, 蔭浦裕美, 坂井賢一, 長嶋雲兵
- Organizer
  日本化学会北海道支部2008年夏季研究発表会
- Place of Presentation
  北見工大
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] 複合機能化を目指した新規プロトン移動型レーザ色素の開発2008
- Author(s)
  坂井賢一, 岡田孟矩, 高橋紗未, 石川晴美, 芥川智行, 中村貴義, 長嶋雲兵
- Organizer
  2008年光化学討論会
- Place of Presentation
  大阪府立大
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] 配位子内での互変異性化を利用した金属錯体における双安定状態の実現2008
- Author(s)
  坂井賢一, 高橋紗未, 石川晴美, 小林中, 芥川智行, 中村貴義, 長嶋雲兵
- Organizer
  第58回錯体化学討論会
- Place of Presentation
  金沢大
- Data Source
  KAKENHI-PROJECT-19750165
[Presentation] (Imidazolium)(3-Hydroxy-2-quinoxalinecarboxylate)結晶の水吸脱着に伴う構造相転移
- Author(s)
  吉井祐弥、坂井賢一、星野哲久、武田貴志、野呂真一郎、中村貴義、芥川智行
- Organizer
  日本化学会第９５回春年会
- Place of Presentation
  日本大学船橋キャンパス
- Year and Date
  2015-03-26 – 2015-03-29
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] クラウンエーテル縮環型キノキサリノン誘導体の合成およびカチオンとアニオン認識に対する光学応答
- Author(s)
  中根由太、武田貴志、星野哲久、坂井賢一、芥川智行
- Organizer
  第25回基礎有機化学討論会
- Place of Presentation
  東北大学
- Year and Date
  2014-09-07 – 2014-09-09
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] クラウンエーテル縮環型キノキサリノン誘導体の合成とカチオン－アニオン二重センシング特性
- Author(s)
  中根由太、武田貴志、星野哲久、坂井賢一、芥川智行
- Organizer
  第8回分子科学討論会
- Place of Presentation
  広島大学
- Year and Date
  2014-09-19 – 2014-09-24
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] ノキサリノン誘導体のカチオン-アニオン認識
- Author(s)
  中根由太、武田貴志、星野哲久、坂井賢一、芥川智行
- Organizer
  日本化学会第９５回春年会
- Place of Presentation
  日本大学船橋キャンパス
- Year and Date
  2015-03-26 – 2015-03-29
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] Optical Responses of Crown-Ether Fused Quinoxalinone Derivative for Cation-Anion Sensing
- Author(s)
  Yuta Nakane, Takashi Takeda, Norihisa Hoshino, Ken-ichi Sakai, and Tomoyuki Akutagawa
- Organizer
  the18th International Symposium on Advanced Display Materials and Devices (ADMD 2014)
- Place of Presentation
  Sendai, Japan
- Year and Date
  2014-07-23 – 2014-07-25
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] 分子内や分子間の水素結合制御による固体蛍光クロミズム
- Author(s)
  坂井賢一、土屋早紀、徳光聖茄、菊地毅光、芥川智行
- Organizer
  日本化学会第９５回春年会
- Place of Presentation
  日本大学船橋キャンパス
- Year and Date
  2015-03-26 – 2015-03-29
- Data Source
  KAKENHI-PROJECT-23245027
[Presentation] キノキサリノン誘導体によるカチオン‐アニオンセンシング
- Author(s)
  中根由太、武田貴志、星野哲久、坂井賢一、芥川智行
- Organizer
  第4回CSJ化学フェスタ
- Place of Presentation
  舟橋タワーホテル
- Year and Date
  2014-10-14 – 2014-10-16
- Data Source
  KAKENHI-PROJECT-23245027

1. AKUTAGAWA Tomoyuki (60271631)

# of Collaborated Projects: 2 results

# of Collaborated Products: 28 results
2. 谷口彬雄 (00283242)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
3. 市川結 (80324242)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results

SAKAI Ken-ichi 坂井 賢一

坂井 賢一 サカイ ケンイチ

SAKAI Kenichi 坂井 賢一

Research Projects

Research Products

Co-Researchers

不均一微細構造が内在する小型π分子高密度濃縮系からの新規光・電子機能の創出Principal Investigator

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Development of pi-sigma-pi type molecules with assembling ability towards realization of collective excited statePrincipal Investigator

Principal Investigator

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Review Section

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Development of ESIPT fluorophores with a ditopic recognition abilityPrincipal Investigator

Principal Investigator

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Development of external-field-responsive fluorochromic materials using ESIPT fluorophoresPrincipal Investigator

Principal Investigator

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Molecular Rotation and Macofunctions

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Development of next-generation organic light-emitting devices using novel proton-transfer laser dyesPrincipal Investigator

Principal Investigator

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光増幅機能をもつ集積型金属錯体の創出

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[Book] 有機半導体デバイス-基礎から最先端材料・デバイスまで-, 3章有機半導体レーザ, 3. 2プロトン移動型2010

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Data Source

[Journal Article] Supramolecular complexation and collective optical properties induced by linking two methyl salicylates via a σ-bridge2022

Author(s)

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Data Source

[Journal Article] Color changes of a full-color emissive ESIPT fluorophore in response to recognition of certain acids and their conjugate base anions2018

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] ESIPT fluorescent chromism and conformational change of 2-(2-hydroxyphenyl-5'-sulfonic acid)benzothiazole by amine sorption2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dual fluorescent zwitterionic organogel of a quinoxalinone derivative using cation-anion detection keys2017

Author(s)

Journal Title

DOI

Data Source

[Journal Article] An ESIPT fluorophore with a switchable intramolecular hydrogen bond for applications in solid-state fluorochromism and white light gereration2016

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Highly efficient solid-state red fluorophores using ESIPT: crystal packing and fluorescence properties of alkoxy-substituted dibenzothiazolylphenols2014

Author(s)

SAKAI Ken-ichi 坂井賢一

坂井賢一サカイケンイチ

SAKAI Kenichi 坂井賢一