Nano-scaled periodic structure liquid crystals with chiral photonic defect and its functional applications

• Project/Area Number: 19360010
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied materials science/Crystal engineering
• Research Institution: Osaka University
• Principal Investigator: OZAKI Masanori Osaka University, 大学院・工学研究科, 教授 (50204186)
• Co-Investigator(Kenkyū-buntansha): FUJII Akihiko 大阪大学, 大学院・工学研究科, 准教授 (80304020)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥18,720,000 (Direct Cost: ¥14,400,000、Indirect Cost: ¥4,320,000); Fiscal Year 2008: ¥6,760,000 (Direct Cost: ¥5,200,000、Indirect Cost: ¥1,560,000); Fiscal Year 2007: ¥11,960,000 (Direct Cost: ¥9,200,000、Indirect Cost: ¥2,760,000)
• Keywords: 液晶 / コレステリック液晶 / フォトニック結晶 / 光局在 / レーザー発振 / カイラリティ / コレステリック / ブルー相 / コレステリック・ブルー相

Research Abstract

カイラル液晶の螺旋構造に特有な欠陥(カイラルフォトニック欠陥)を導入したナノ周期螺旋構造を有する液晶を構築し、欠陥部位における光局在や群速度異常を利用したレーザー発振などの機能応用を検討した。具体的には、コレステリック液晶の螺旋周期構造を欠陥として含む無機一次元周期構造における高Q値欠陥モードと励起光閉じ込めによるレーザー発振閾値の低減、ならびに、三次元欠陥周期構造を有するコレステリック・ブルー相の安定化とフォトニックバンド構造の理論的解析を行った。

Research Products

• [Journal Article] Photonic Band-Gap Modeling of Cholesteric Liquid Crystals with Periodic Pitch Modulations, Mol. Cryst. Liq (2009)
  • Author(s): H. Yoshida, A. Fujii, K. Yoshino and M. Ozaki
  • Journal Title: Cryst 480 Pages: 231-240
  • Peer Reviewed
• [Journal Article] Pinning Effect of Mixed Cellulose Ester Membrane on Appearance of Cholesteric Blue Phases (2009)
  • Author(s): M. Ojima, T. Noma, H. Asagi, A. Fujii, M. Ozaki, and H. Kikuchi
  • Journal Title: Appl. Phys. Express 2 Pages: 21502-21502
  • NAID: 10025084468
  • Peer Reviewed
• [Journal Article] Pinning Effect of Mixed Cellulose Ester Membrane on Appearance of Cholesteric Blue Phases (2009)
  • Author(s): Masayoshi Ojima
  • Journal Title: Appl. Phys. Express 2 Pages: 21502-21502
  • Peer Reviewed
• [Journal Article] Photonic Band-Gap Modeling of Cholesteric Liquid Crystals with Periodic Pitch Modulations (2009)
  • Author(s): Hiroyuki Yoshida
  • Journal Title: Mol. Cryst. Liq. Cryst. 480 Pages: 231-240
  • Peer Reviewed
• [Journal Article] Phase Destruction upon Photopolymerization of Cholesteric Liquid Crystal Blue Phases with Mono-and Diacrylate Constituents (2008)
  • Author(s): H. Yoshida, T. Isomura, A. Fujii and M. Ozaki
  • Journal Title: Chemistry Letters 37, No.12 Pages: 1242-1243
  • NAID: 10024397987
  • Peer Reviewed
• [Journal Article] Optical manipulation of photonic defect-modes in cholesteric liquid crystals induced by direct laser-lithography (2008)
  • Author(s): H. Yoshida, C.H. Lee, Y. Miura, A. Fujii and M. Ozaki
  • Journal Title: Thin Solid Films 516, No.9, 3 Pages: 2358-2362
  • Peer Reviewed
• [Journal Article] Fabrication of oriented ZnO nanopillar self-assemblies and their application for photovoltaic devices (2008)
  • Author(s): Xiaohui Ju
  • Journal Title: Nanotechnology 19 Pages: 435706-435706
  • Peer Reviewed
• [Journal Article] Local liquid crystal alignment on patterned micrograting structures photofabricated by two photon excitation direct laser writing (2008)
  • Author(s): Chee Heng Lee
  • Journal Title: Appl. Phys. Lett. 93 Pages: 173509-173509
  • Peer Reviewed
• [Journal Article] Phase Destruction upon Photopolymerization of Cholesteric Liquid Crystal Blue Phases with Mono- and Diacrylate Constituents (2008)
  • Author(s): Hiroyuki Yoshida
  • Journal Title: Chemistry Letters 37 Pages: 1242-1243
  • Peer Reviewed
• [Journal Article] In-plane pitch control of cholesteric liquid crystals by formation of artificial domains via patterned photopolymerization (2008)
  • Author(s): Hiroyuki Yoshida
  • Journal Title: Optics Express 16 Pages: 19034-19042
  • Peer Reviewed
• [Journal Article] Fabrication of Micro-Grating structures by Direct Laser Writing Based on Two Photon Process and Their Liquid Crystal Alignment Abilities (2008)
  • Author(s): Chee Heng Lee
  • Journal Title: IEICE Trans. Electron. E91-C Pages: 1581-1586
  • Peer Reviewed
• [Journal Article] Photonic Band-Gap Modeling of Cholesteric Liquid Crystals with Periodic Pitch Modulations (2008)
  • Author(s): H. Yoshida
  • Journal Title: Molecular Crystals and Liquid Crystals (In press)
  • Peer Reviewed
• [Journal Article] Optical Manipulation of Photonic Defect-Modes in Cholesteric Liquid Crystals Induced by Direct Laser-Lithography (2008)
  • Author(s): H. Yoshida
  • Journal Title: Thin Solid Films (In press)
  • Peer Reviewed
• [Journal Article] Bottom-Up Fabrication of Photonic Defect Structures in Cholesteric Liquid Crystals Based on Laser-Assisted Modification of the Helix (2007)
  • Author(s): H. Yoshida
  • Journal Title: Advanced Materials 19 Pages: 1187-1190
  • Peer Reviewed
• [Journal Article] Defect Mode Analysis in One-Dimensional Dual Photonic Crystal with Helix (2007)
  • Author(s): Y. Matsuhisa
  • Journal Title: Molecular Crystals and Liquid Crystals 477 Pages: 245-245
  • Peer Reviewed
• [Journal Article] Wavelength-Variable Laser in a Hybrid Photonic Crystal Containing Ferroelectric Liquid Crystal (2007)
  • Author(s): Y. Matsuhisa
  • Journal Title: Molecular Crystals and Liquid Crystals 478 Pages: 163-163
  • Peer Reviewed
• [Journal Article] Photonic Crystals Based on Chiral Liquid Crystal (2007)
  • Author(s): M. Ozaki
  • Journal Title: Phys. Status Solidi A 204 Pages: 3777-3789
  • Peer Reviewed
• [Journal Article] Organic Electronic Devices Based on Polymeric Material and Tunable Photonic Crystal (2007)
  • Author(s): K. Yoshino
  • Journal Title: Japanese Journal of Applied Physics 46 Pages: 5655-5673
  • Peer Reviewed
• [Journal Article] Tunable Liquid Crystal Laser Using Distributed Feedback Cavity Fabricated by Nanoimprint Lithography (2007)
  • Author(s): R. Ozaki
  • Journal Title: Applied Physics Express 1 Pages: 12003-12003
  • NAID: 10024292410
  • Peer Reviewed
• [Presentation] Expanded Temperature Range of Cholesteric Blue Phase by Three Dimensional Network Structures (2008)
  • Author(s): M. Ojima, T. Noma, H. Asagi, A. Fujii, M. Ozaki, H. Kikuchi
  • Organizer: The IUMRS International Conference in Asia 2008 (IUMRS-ICA 2008)
  • Place of Presentation: Nagoya Congress Center, Nagoya
  • Year and Date: 2008-12-12
• [Presentation] Expanded Temperature Range of Cholesteric Blue Phase by Three Dimensional Network structures (2008)
  • Author(s): Masayoshi Ojima
  • Organizer: The IUMRS International Conference in Asia 2008
  • Place of Presentation: Nagoya, Japan
  • Year and Date: 2008-12-12
• [Presentation] LC Alignment on Patterned structure Fabricated by Laser Lithography (2008)
  • Author(s): Masanori Ozaki
  • Organizer: The 15th International Display Workshops, (IDW'08)
  • Place of Presentation: Niigata, Japan
  • Year and Date: 2008-12-04
• [Presentation] Organic Electronics -Liquid Crystal, Organic EL and Solar Cell- (2008)
  • Author(s): Masanori Ozaki
  • Organizer: Second International Conference on Mathematics and Natural Sciences (ICMNS) 2008
  • Place of Presentation: Bandung, Indonesia
  • Year and Date: 2008-10-29
• [Presentation] Pinning Effect of Membrane on Appearance of Cholesteric Blue Phases (2008)
  • Author(s): M. Ojima, T. Noma, H. Asagi, A. Fujii, M. Ozaki and H. Kikuchi
  • Organizer: 4th Japanese-Italian Workshop on Liquid Crystals
  • Place of Presentation: Nara Prefectural New Public Hall, Nara
  • Year and Date: 2008-07-08
• [Presentation] Pinning Effect of Membrane on Appearance of Cholesteric Blue Phases (2008)
  • Author(s): Masayoshi Ojima
  • Organizer: 4th Japanese-Italian Workshop on Liquid Crystals
  • Place of Presentation: Nara, Japan
  • Year and Date: 2008-07-08
• [Presentation] Dependence of the Expansion of Cholesteric Blue Phases Temperature on Polymer Network Structure (2008)
  • Author(s): Hiroaki Asagi
  • Organizer: 4th Japanese-Italian Workshop on Liquid Crystals
  • Place of Presentation: Nara, Japan
  • Year and Date: 2008-07-08
• [Presentation] Effect of Mixed Cellulose Ester Membrane structure on Appearance of Cholesteric Blue (2008)
  • Author(s): Masayoshi Ojima
  • Organizer: 22th International Liquid Crystal Conference
  • Place of Presentation: Jeju, Korea
  • Year and Date: 2008-07-01
• [Presentation] Band-Edge Excitation and Defect-Mode Effects for Low Threshold Laser Action in Chiral Liquid Crystals (2008)
  • Author(s): Masanori Ozaki
  • Organizer: 22th International Liquid Crystal Conference, ILCC 2008
  • Place of Presentation: Jeju, Korea
  • Year and Date: 2008-06-30
• [Presentation] Band-Edge Excitation and Defect-Mode Effects for Low Threshold Laser Action in Chiral Liquid Crystals (2008)
  • Author(s): M. Ozaki, Y. Matsuhisa, Y. Takao, Y. Inoue, A. Fujii, Y. Huang, Y. Zhou and S.-T. Wu
  • Organizer: 22th International Liquid Crystal Conference, ILCC 2008
  • Place of Presentation: ICC Jeju, Jeju, Korea
• [Presentation] Kikuchi Effect of Mixed Cellulose Ester Membrane Structure on Appearance of Cholesteric Blue Phases (Poster 2-SUR40) (2008)
  • Author(s): M. Ojima, T. Noma, H. Asagi, A. Fujii, M. Ozaki and H.
  • Organizer: 22th International Liquid Crystal Conference, ILCC 2008
  • Place of Presentation: ICC Jeju, Jeju, Korea
• [Presentation] Lowering of Lasing Threshold based on Band-Edge Excitation and Photon Localization in Chiral Liquid Crystals (2007)
  • Author(s): Masanori Ozaki
  • Organizer: 12th International Topical Meeting On Optics of Liquid Crystals
  • Place of Presentation: Puebla, Mexico
  • Year and Date: 2007-10-01
• [Presentation] Optical Properties of Cholesteric Liquid Crystals with Functional Structural Defects (2007)
  • Author(s): Hiroyuki Yoshida
  • Organizer: 12th International Topical Meeting On Optics of Liquid Crystals
  • Place of Presentation: Puebla, Mexico
  • Year and Date: 2007-10-01
• [Presentation] コレステリック液晶のフィンガープリント構造を用いたレーザー発振とその電界変調 (2007)
  • Author(s): 松久裕子
  • Organizer: 電子情報通信学会有機エレクトロニクス研究会
  • Place of Presentation: 情報通信研究機構未来ICT研究センター
  • Year and Date: 2007-09-20
• [Presentation] 高分子ネットワークによるコレステリックブルー相のピン留め効果 (2007)
  • Author(s): 野間健史
  • Organizer: 電子情報通信学会有機エレクトロニクス研究会
  • Place of Presentation: 情報通信研究機構未来ICT研究センター
  • Year and Date: 2007-09-20
• [Presentation] Tunable Defect Modes in Chiral Liquid Crystals based on Laser-induced Modulation of Helix (2007)
  • Author(s): Hiroyuki Yoshida
  • Organizer: SPIE Optics & Photonics
  • Place of Presentation: San Diego Convention Center, San Diego, U.S.A.
  • Year and Date: 2007-08-28
• [Presentation] コレステリック液晶レーザーの低閾値化 (2007)
  • Author(s): 鷹尾祐樹
  • Organizer: 第232回電気材料技術懇談会
  • Place of Presentation: 中央電気倶楽部
  • Year and Date: 2007-07-25
• [Presentation] Lasing characteristics of ferroelectric liquid crystal in dielectric mirror cavity (2007)
  • Author(s): Y. Matsuhisa
  • Organizer: 11th Conference on Ferroelectric Liquid Crystals
  • Place of Presentation: Hokkaido, Japan
• [Presentation] コレステリック液晶/誘電体多層構造ハイブリッドレーザーの低閾値化 (2007)
  • Author(s): 鷹尾祐樹
  • Organizer: 2007年第68回応用物理学会学術講演会
  • Place of Presentation: 北海道工業大学
• [Presentation] 機能性フォトニック欠陥をもつコレステリック液晶の欠陥モードチューニング (2007)
  • Author(s): 吉田 浩之
  • Organizer: 2007年日本液晶学会討論会
  • Place of Presentation: 東京工業大学大岡山キャンパス
• [Presentation] コレステリック液晶/誘電体多層構造ハイブリッドレーザーの偏光特性 (2007)
  • Author(s): 鷹尾祐樹
  • Organizer: 2007年日本液晶学会討論会
  • Place of Presentation: 東京工業大学大岡山キャンパス
• [Presentation] ストップバンド端励起によるコレステリック液晶レーザーの低閾値化 (2007)
  • Author(s): 松久裕子
  • Organizer: 2007年日本液晶学会討論会
  • Place of Presentation: 東京工業大学大岡山キャンパス
• [Presentation] 高分子ネットワーク表面のピン留め効果によるコレステリックブルー相の安定化 (2007)
  • Author(s): 野間健史
  • Organizer: 2007年日本液晶学会討論会
  • Place of Presentation: 東京工業大学大岡山キャンパス
• [Presentation] Effects of Polymer Network Surfaces on Expansion of Cholesteric Blue Phases Temperature (2007)
  • Author(s): T. Noma
  • Organizer: Handai Nanoscience and Nanotechnology International Symposium
  • Place of Presentation: Osaka University, Japan
• [Presentation] コレステリックブルー相発現に及ぼす高分子ネットワーク表面のピン留め効果 (2007)
  • Author(s): 野間健史
  • Organizer: 平成19年電気関係学会関西支部連合大会
  • Place of Presentation: 神戸大学工学部
• [Book] Nano Biophotonics: Science and Technology (2007)
  • Author(s): M.Ozaki, Y.Matsuhisa, H.Yoshida, Y.Takao, R.Ozaki and A.Fujii
  • Publisher: Elsevier
• [Book] Nano Biophotonics: Science and Technology (2007)
  • Author(s): M. Ozaki
  • Publisher: Elsevier