九州大学 先導物質化学研究所 融合材料部門ナノ組織化分野 菊池・奥村研究室

奥村 泰志

原著論文

  1. S. Fukushima, K. Tokunaga, T. Morishita, H. Higuchi, Y. Okumura, H. Kikuchi, H. Tazawa, Polymer-Stabilized Blue Phase and Its Application to a 1.5 μm Band Wavelength Selective Filter, Crystals, 11(9), 1017, 2021.

  2. H. Kikuchi, T. Ashimine, Z. Qin, H. Higuchi, S. Anan, Y. Okumura, Enhancement of Polymer Structural Ordering in Polymer-Stabilised Blue Phases for Improved Electro-Optical Properties, Symmetry, 13(5), 772, 2021.

  3. D. Yoshizawa, Daisuke; Y. Okumura, J. Yamamoto, H. Kikuchi, Decreasing the operating voltage of a polymer-stabilized blue phase based on intermolecular affinity, Polym. J., 51(7), 667-673, 2019.

  4. D. Yoshizawa, H. Higuchi, Y. Okumura, H. Kikuchi, Relationship between molecular structures of uniquely designed C2-symmetric axially chiral dopants and their helical twisting properties in cholesteric liquid crystals, J. Mater. Chem. C, 7(8), 2225-2231, 2019.

  5. R. Kizhakidathazhath, H. Higuchi, Y. Okumura, H. Kikuchi, Effect of polymer backbone flexibility on blue phase liquid crystal stabilization, Journal of Molecular Liquids, 262, 175-179, 2018.
  6. Y. Narazaki, H. Nishikawa, H. Higuchi, Y. Okumura, H. Kikuchi, Substituent effects of bridged binaphthyl-type chiral dopants on the helical twisting power in dopant-induced chiral liquid crystals, RSC Adv., 8(2), 971-979, 2018.
  7. K. Rijeesh, H. Higuchi, Y. Okumura, J. Yamamoto, H. Kikuchi, Liquid crystal anchoring transitions and weak anchoring interface formation at surfaces created by uniquely designed acrylate copolymers, Polymer, 116, 447-451, 2017.
  8. H. Nishikawa, K. Shiroshita, H. Higuchi, Y. Okumura, Y. Haseba, S. Yamamoto, K. Sago, H. Kikuchi, A Fluid Liquid-Crystal Material with Highly Polar Order, Adv. Mat., 29(43), 1702354, 2017.
  9. H. Nishikawa, D. Mochizuki, H. Higuchi, Y. Okumura, H. Kikuchi, Reversible Broad-Spectrum Control of Selective Reflections of Chiral Nematic Phases by Closed-/Open-Type Axially Chiral Azo Dopants, ChemistryOpen, 6(6), 710-720, 2017.
  10. R. Kizhakidathazhath, H. Higuchi, Y. Okumura, H. Kikuchi, Weak Anchoring Interface Inducing Acrylate Copolymer Designs for High-Performance Polymer-Stabilized Blue Phase Liquid Crystal Displays, ChemistrySelect, 2(23), 6728-6731, 2017.
  11. A. Shundo, K. Hori, D. P. Penaloza, Y. Matsumoto, Y. Okumura, H. Kikuchi, K. E. Lee, S. O. Kim, K. Tanaka, Hierarchical spatial heterogeneity in liquid crystals composed of graphene oxides, Phys. Chem. Chem. Phys., 18(32), pp. 22399-22406, 2016.
  12. G. Lim, Y. Okumura, H. Higuchi, H. Kikuchi, Low-Temperature Properties of Polymer-Stabilized Liquid-Crystal Blue Phases, ChemPhysChem, 15(7), pp. 1447-1451, 2014.
  13. K. Kakisaka, H. Higuchi, Y. Okumura, H. Kikuchi, Novel 6,6'-difluoro-substituted binaphthyl derivatives as chiral dopants for fluorinated nematic liquid crystals, Chem. Lett., 43(5), 624-625, 2014.
  14. T. Inadomi, S. Ikeda, Y. Okumura, H. Kikuchi, N. Miyamoto, Photo-induced anomalous deformation of poly(N-isopropylacrylamide) gel hybridized with an inorganic nanosheet liquid crystal aligned by electric field, Macromol. Rapid Comm., 35(20),1741-1746, 2014.
  15. S. Yamamoto, Y. Haseba, H. Higuchi, Y. Okumura, H. Kikuchi, Lattice plane control of liquid crystal blue phase, Liq. Cryst., 40(5), 639-645, 2013.
  16. S. Shibayama, H. Higuchi, Y. Okumura, H. Kikuchi, Dendron-Stabilized Liquid Crystalline Blue Phases with an Enlarged Controllable Range of the Photonic Band for Tunable Photonic Devices, Adv. Funct. Mater., 23(19), 2387-2396, 2013.
  17. F. Zhu, T. Nishimura, T. Sakamoto, H. Tomono, H. Nada, Y. Okumura, H. Kikuchi, T. Kato, Tuning the stability of CaCO3 crystals with magnesium ions for the formation of aragonite thin films on organic polymer templates, Chem. - Asian J., 8(12), 3002-3009, 2013.
  18. S. Yabu, H. Yoshida, G. Lim, K. Kaneko, Y. Okumura, N. Uehara, H. Kikuchi, M. Ozaki, Dual frequency operation of a blue phase liquid crystal, Optical Materials Express, 1(8), 1577-1584, 2011.
  19. O. T. Naing, T. Mizunuma, Y. Nagano, M. Hengyi, Y. Ogawa, Y. Haseba, H. Higuchi, Y. Okumura, H. Kikuchi, Effects of monomer/liquid crystal cmompositions on electro-optical properties of polymer-stabilized blue phase liquid crystal, Optical Materials Express, 1(8), 1502-1510, 2011.
  20. T. Mizunuma, O. T. Naing, Y. Nagano, M. Hengyi, Y. Haseba, H. Higuchi, Y. Okumura, H. Kikuchi, Electro-optical properties of polymer-stabilized blue phase with different monomer combination andconcentration, Optical Materials Express, 1(8), 1561-1568, 2011.
  21. Taura, D., Hashidzume, A., Okumura, Y.; Harada, A.,Cooperative Complexation of alpha-Cyclodextrin with Alternating Copolymers of Sodium Maleate and Dodecyl Vinyl Ether with Varying Molecular Weights.,Macromolecules,41 (10), 3640-3645.,2008.05.
  22. Inoue, Y., Kuad, P., Okumura, Y., Takashima, Y., Yamaguchi, H., Harada, A.,Thermal and Photochemical Switching of Conformation of Poly(ethylene glycol)-Substituted Cyclodextrin with an Azobenzene Group at the Chain End.,Journal of the American Chemical Society,129 (20), 6396-6397.,2007.04.
  23. Karino, T., Okumura, Y., Zhao, C. M., Kidowaki, M., Kataoka, T., Ito, K., Shibayama, M.,Sol-Gel Transition of Hydrophobically Modified Polyrotaxane.,Macromolecules,39 (26), 9435-9440.,2006.12.
  24. Shinohara, Y., Kayashima, K., Okumura, Y., Zhao, C. M., Ito, K., Amemiya, Y.,Small-angle x-ray scattering study of the pulley effect of slide-ring gels.,Macromolecules,39 (21), 7386-7391.,2006.09.
  25. Karino, T., Shibayama, M., Okumura, Y., Ito, K.,SANS study on pulley effect of slide-ring gel.,Physica B: Condensed Matter,385-386(Pt. 1), 807-809.,2006.06.
  26. Okumura, Y.,Topological gel: a third kind of gel consisting of linear polymer chains and figure-of-eight cross-links.,Kobunshi Ronbunshu,62 (8), 380-389.,2005.08.
  27. Zhao, C., M., Domon, Y., Okumura, Y., Okabe, S., Shibayama, M., Ito, K.,Sliding mode of cyclodextrin in polyrotaxane and slide-ring gel.,Journal of Physics-Condensed Matter ,17 (31), S2841-S2846.,2005.08.
  28. Karino, T., Okumura, Y., Zhao, C. M., Kataoka, T., Ito, K., Shibayama, M.,SANS studies on deformation mechanism of slide-ring gel.,Macromolecules ,38 (14), 6161-6167.,2005.08.
  29. Karino, T., Okumura, Y., Ito, K., Shibayama, M.,SANS studies on spatial inhomogeneities of slide-ring gels.,Macromolecules ,37 (16), 6177-6182.,2004.07.
  30. Ito, K., Shimomura, T., Okumura, Y.,Nanostructures formed by combination of nanotube and polymer chain.,Macromolecular Symposia,201, 103-110.,2003.10.
  31. Ito K, Okumura Y ,Scattering study of topological gel.,ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY,225, U696-U696, part1,2003.03.
  32. Okumura, Y., Ito, K.,The polyrotaxane gel: A topological gel by figure-of-eight cross-links.,Advanced Materials ,13 (7), 485-487.,2001.04.
  33. Saito, M., Shimomura, T., Okumura, Y., Ito, K., Hayakawa, R.,Temperature dependence of inclusion-dissociation behavior between molecular nanotubes and linear polymers.,Journal of Chemical Physics ,114 (1), 1-3.,2001.01.
  34. Okumura, Y., Ito, K., Hayakawa, R., Nishi, T.,Self-assembling dendritic supramolecule of molecular nanotubes and starpolymers.,Langmuir,16 (26), 10278-10280.,2000.12.
  35. Okumura, Y., Ito, K., Hayakawa, R.,Theory on inclusion behavior between cyclodextrin molecules and linear polymer chains in solutions.,Polymers for Advanced Technologies,11, 815-819.,2000.11.
  36. Ikeda, E., Okumura, Y., Shimomura, T., Ito, K., Hayakawa, R.,Inclusion behavior between molecular nanotubes and linear polymer chains in aqueous solutions.,Journal of Chemical Physics ,112 (9), 4321-4325.,2000.03.
  37. Okumura, Y., Ito, K., Hayakawa, R., Nishi, T.,Observation of supramolecular structures of molecular nanotubes and starpolymers by scanning tunneling microscopy.,Kobunshi Ronbunshu,56 (12), 833-836.,1999.12.
  38. Okumura, Y., Ito, K., Hayakawa, R.,Switching transition of molecular nanotubes forming an inclusion complex with block copolymers in solutions.,Physical Review E,59 (4), R3823-R3826.,1999.04.
  39. Okumura, Y., Ito, K., Hayakawa, R.,Inclusion-dissociation transition in the complex formation between molecular nanotubes and linear polymer chains in solutions.,Physical Review Letters,80 (22), 5003-5006.,1998.06.
  40. Okumura, Y., Ikeda, E., Shimomura, T., Ito, K., Hayakawa, R.,Inclusion Complex Formation between Polyethylene Glycol Chains and Molecular Nanotubes in Aqueous Solutions.,Reports on Progress in Polymer Physics in Japan,40, 95-98.,1997.06.
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