Application of Liquid Crystalline Semiconductors with a HelicalStructure to Laser Emission

• Project/Area Number: 19550183
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Functional materials/Devices
• Research Institution: The University of Tokyo
• Principal Investigator: FUNAHASHI Masahiro The University of Tokyo, 大学院・工学系研究科, 准教授 (90262287)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2008: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000); Fiscal Year 2007: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
• Keywords: 液晶 / コレステリック / 有機半導体 / レーザー / 液晶性半導体 / 半導体レーザー / 螺旋構造

Research Abstract

キラル部位として、ビナフチル、イソソルビドを有する二量体型オリゴチオフェン誘導体を合成した。これらの物質が室温付近でコレステリックガラス相を示し、スピンコート法により薄膜形成できた。枝分かれしたアルキル鎖を有するフェニルターチオフェン誘導体を合成したところ、室温でネマティック相を示す液晶性半導体を合成することができた。

Research Products

• [Journal Article] Development of liquidcrystalline semiconductors with highcarrier mobilityand their application to thin-filmtransistors (2009)
  • Author(s): M. Funahashi
  • Journal Title: Polymer Journal (in press)
• [Journal Article] 螺旋構造を持つ液晶性半導体 (2009)
  • Author(s): 舟橋正浩、玉置信之
  • Journal Title: 光技術コンタクト 2月号 Pages: 84-89
• [Journal Article] Development of liquid crystalline semiconductors with high carrier mobility and their application to thin-film transistors (2009)
  • Author(s): 舟橋正浩
  • Journal Title: Polymer Journal 41(印刷中)
  • NAID: 10025092188
  • Peer Reviewed
• [Journal Article] 螺旋構造を持つ液晶性半導体 (2009)
  • Author(s): 舟橋正浩、玉置信之
  • Journal Title: 光技術コンタクト Pages: 84-89
• [Journal Article] OrganicSemiconductors with Helical StructureBased on OligothiophenederivativesExhibiting Chiral Nematic Phase (2007)
  • Author(s): M. Funahashi and N. Tamaoki
  • Journal Title: Molecular Crystals and Liquid Crystals 475 Pages: 123-135
• [Journal Article] Organic Semiconductors with Helical Structure Based on Oligothiophene derivatives Exhibiting Chiral Nematic Phase (2007)
  • Author(s): 舟橋正浩、玉置信之
  • Journal Title: Molecular Crystals and Liquid Crystals 475 Pages: 123-135
  • Peer Reviewed
• [Book] Structure and Bonding Vol. 128 p.151-179 (2008)
  • Author(s): M. Funahashi, H. Shimura, M. Yoshio and T. Kato
  • Total Pages: 28
  • Publisher: "Ionic and electronic conduction in liquid crystalline polymers", in "Structure and Bonding" ed. by Takashi Kato
• [Patent(Industrial Property Rights)] ホール伝導性コレステリック液晶化合物 (2007)
  • Inventor(s): 舟橋正浩、玉置信之
  • Industrial Property Number: 2007-211446
  • Filing Date: 2007
• [Patent(Industrial Property Rights)] 液晶化合物 (2007)
  • Inventor(s): 舟橋正浩、玉置信之
  • Industrial Property Number: 2007-227544
  • Filing Date: 2007