原著論文｜Original Paper

　

  1. Luminescent Behavior of Liquid–Crystalline Gold(I) Complexes Bearing a Carbazole Moiety: Effects of Substituent Bulkiness, Kumar Siddhant, Ganesan Prabusankar, Osamu Tsutsumi, Crystals, 12, 810 (2022)
  2. Solid-State Luminescent Materials Containing Both Indole and Pyrimidine Moieties: Design, Synthesis, and Density Functional Theory Calculations, Osama Younis, Mostafa Sayed, Ahmed AK Mohammed, Mahmoud S Tolba, Reda Hassanien, Adel M Kamal El-Dean, Osamu Tsutsumi, Mostafa Ahmed, ACS Omega, 7, 15016–15026 (2022)
  3. Synthesis and Strong π–π Interaction of Hexaazatriphenylene Derivatives with Alternating Electron-Withdrawing and -Donating Groups, Akira Hinokimoto, Toshinori Ono, Makoto Fujiwara, Hiroki Mori, Shin-ya Nakamura, Osamu Tsutsumi, Akinori Saeki, Yasutaka Kitagawa, Satoshi Horike, Daisuke Tanaka, Chem: Asian J., 17, e2022002 (2022)
  4. Tuning the Au–Au interactions by varying the degree of polymerisation in linear polymeric Au(I) N-heterocyclic carbene complexes, Arruri Sathyanarayana, Kumar Siddhant, Masaya Yamane, Kyohei Hisano, Ganesan Prabusankar, Osamu Tsutsumi, J. Mater. Chem. C, 10, 6050–6060 (2022)
  5. A Simple and Efficient Approach for the Clickability of Super-Bulky Aryl Azides, Mannem Adinarayana, Kumar Siddhant, Moulali Vaddamanu, Arruri Sathyanarayana, Aravind Kumar Rengan, Kyohei Hisano, Osamu Tsutsumi, Ganesan Prabusankar, J. Heterocyclic Chem., 59, 1079–1085 (2022)
  6. Neutral Mechanical Plane Shifting in Bending Elastomer Film Revealed by Quantification of Internal Strain, Masayuki Kishino, Norihisa Akamatsu, Ryo Taguchi, Kyohei Hisano, Kohei Kuwahara, Osamu Tsutsumi, Jun Takeya, Atsushi Shishido, Adv. Eng. Mater., 2101041 (2021)
  7. Aggregation-Enhanced Room-Temperature Phosphorescence from Au(I) Complexes Bearing Mesogenic Biphenylethynyl Ligands, Andriani Furoida, Misato Daitani, Kyohei Hisano, Osamu Tsutsumi, Molecules, 26, 7255 (2021)
  8. Negative Thermal Quenching of Photoluminescence from Liquid-Crystalline Molecules in Condensed Phase, Hussain Sami, Osama Younis, Yui Maruoka, Kenta Yamaguchi, Kumar Siddhant, Kyohei Hisano, Osamu Tsutsumi, Crystals, 11, 1555 (2021)
  9. Effect of Crosslinkers on Optical and Mechanical Behavior of Chiral Nematic Liquid Crystal Elastomers, Kyosun Ku, Kyohei Hisano, Kyoko Yuasa, Tomoki Shigeyama, Norihisa Akamatsu, Atsushi Shishido, Osamu Tsutsumi, Molecules, 26, 6193 (2021)
  10. Aggregation-enhanced direct S0–Tn transitions and room-temperature phosphorescence in gold(I)-complex single crystals, Akihiro Ando, Kazuhisa Ozaki, Urara Shiina, Eikichi Nagao, Kyohei Hisano, Kenji Kamada, Osamu Tsutsumi, Aggregates, e125 (2021)
  11. A Gold(I) 1,2,3–Triazolylidene Complex Featuring the Interaction Between Gold and Methine Hydrogen, Mannem Adi Narayana, Moulali Vaddamanu, Arruri Sathyanarayana, Kumar Siddhant, Shohei Sugiyama, Ozaki Kazuhisa, Aravind Kumar Rengan, Kavitha Velappan, Kyohei Hisano, Osamu Tsutsumi, Ganesan Prabusankar, Dalton Trans., 50, 16514–16518 (2021)
  12. Acridine N-Heterocyclic Carbene Gold(I) Compounds: Tuning from Yellow to Blue Luminescence, Moulali Vaddamanu, Arruri Sathyanarayana, Yamane Masaya, Shohei Sugiyama, Ozaki Kazuhisa, Kavitha Velappan, Muneshwar Nandeshwar, Kyohei Hisano, Osamu Tsutsumi, Ganesan Prabusankar, Chem. Asian J., 16, 521–529 (2021)
  13. Single-component white-color photoluminescence from liquid crystal polymers: color tuning by a combination of luminescence thermo- and mechanochromism, Osama Younis, Osamu Tsutsumi, Dyes and Pigments, 188, 109189 (2021)
  14. Wideband reflection wavelength tuning by bending of cholesteric liquid crystal elastomer films, Masayuki Kishino, Norihisa Akamatsu, Ryo Taguchi, Shoichi Kubo, Kyohei Hisano, Osamu Tsutsumi, Atsushi Shishido, J. Appl. Phys., 129, 164701 (2021)
  15. Environmentally Stable Chiral-Nematic Liquid-Crystal Elastomers with Mechano-Optical Properties, Kyosun Ku, Kyohei Hisano, Seiya Kimura, Tomoki Shigeyama, Norihisa Akamatsu, Atsushi Shishido, Osamu Tsutsumi, Appl. Sci., 11, 5037 (2021)
  16. Mechano-optical Sensors Fabricated with Multilayered Liquid Crystal Elastomers Exhibiting Tunable Deformation Recovery, Kyohei Hisano, Seiya Kimura, Kyosun Ku, Tomoki Shigeyama, Norihisa Akamatsu, Atsushi Shishido, Osamu Tsutsumi, Adv. Funct. Mater., 2104702 (2021)
  17. Fascinating Phenomena towards Single-Component White-Light Emission through Luminescent Thermochromism, Osama Younis, Hussain Sami, Yui Maruoka, Kyohei Hisano, Osamu Tsutsumi, Dyes and Pigments, 194, 109621 (2021)
  18. Liquid crystal polymers as luminescent coatings: Single-component white-light photoluminescence and corrosion inhibition, Osama Younis, Mohamed Abdel-Hakim, Marwa M. Sayed, Osamu Tsutsumi, Kamal I. Aly, J. Luminescence, 239, 118361 (2021)
  19. Observation of crystallisation dynamics by crystal-structure-sensitive room-temperature phosphorescence from Au(I) complexes, Yuki Kuroda, Masakazu Tamaru, Hitoya Nakasato, Kyosuke Nakamura, Manami Nakata, Kyohei Hisano, Kaori Fujisawa, Osamu Tsutsumi, Commun. Chem., 3, 139 (2020)
  20. Synthesis of Novel Biocompatible Thienopyrimidine Chromophores with Aggregation-Induced Emission Sensitive to Molecular Aggregation, Mostafa Ahmed, Osama Younis, Esam A Orabi, Ahmed M Sayed, Adel M Kamal El-Dean, Reda Hassanien, Rebecca L Davis, Osamu Tsutsumi, Mahmoud S Tolba, ACS Omega, 5, 29988−30000 (2020)
  21. Stimuli-Sensitive Aggregation-Induced Emission of Organogelators Containing Mesogenic Au(I) Complexes, Supattra Panthai, Ryota Fukuhara, Kyohei Hisano, Osamu Tsutsumi, Crystals, 10, 388 (2020)
  22. Aggregation-induced emission with white, green, or blue luminescence from biologically-active indole derivatives, Osama Younis, Esam A Orabi, Adel M Kamal, Mostafa Sayed, Reda Hassanien, Rebecca L Davis, Osamu Tsutsumi, Mostafa Ahmed, Optical Materials, 100, 109713 (2020)
  23. A Rare Intramolecular Au···H-C(sp3) Interaction in Gold(I)-N-Heterocyclic Carbene, Moulali Vaddamanu, Arruri Sathyanarayana, Masaya Yamane, Shohei Sugiyama, Kazuhisa Ozaki, Kavitha Velappan, Kalaivanan Subramaniyam, Kyohei Hisano, Osamu Tsutsumi, Ganesan Prabusankar, Organometallics, 39, 2202–2206 (2020)
  24. Biologically-Active Heterocyclic Molecules with Aggregation-Induced Blue-Shifted Emission and Efficient Luminescence both in Solution and Solid States, Osama Younis, Mahmoud S. Tolba, Esam A. Orabi, Adel M. Kamal, Reda Hassanien, Osamu Tsutsumi, Mostafa Ahmed, J. Photochem. Photobiol., A: Chem., 400, 112642 (2020)
  25. Out-of-plane Strain Measurement of a Silicone Elastomer by means of A Cholesteric Liquid Crystal Sensor, M. Kishino, N. Akamatsu, R. Taguchi, K. Hisano, O. Tsutsumi, A. Shishido, J. Photopolym. Sci. Technol., 33, 81–84 (2020)
  26. Luminescent coatings: White-color luminescence from a simple and single chromophore with high anticorrosion efficiency, Osama Younis, Emad E El-Katori, Reda Hassanien, Ashraf S Abousalem, Osamu Tsutsumi, Dyes and Pigments, 175, 108146 (2020)
  27. Conducting Copolymers Nanocomposite Coatings with Aggregation-Controlled Luminescence and Efficient Corrosion Inhibition Properties, Kamal I. Aly, Osama Younis, Mahmoud H. Mahross, Esam A. Orabi, Mohamed Abdel-Hakim, Osamu Tsutsumi, Mohamed Gamal Mohamed, Marwa M. Sayed, Progress Org. Coatings, 135, 525–535 (2019)
  28. Design and Synthesis of Novel Indole Derivatives with Aggregation-Induced Emission and Antimicrobial Activity, Mostafa Sayed, Osama Younis, Reda Hassanien, Mostafa Ahmed, Ahmed AK Mohammed, Adel M Kamal, Osamu Tsutsumi, J. Photochem. Photobiol. A: Chem., 383, 111969 (2019)
  29. Highly Efficient Aggregation-Induced Room-Temperature Phosphorescence with Extremely Large Stokes Shift Emitted from Trinuclear Gold(I) Complex Crystals, Osamu Tsutsumi, Masakazu Tamaru, Hitoya Nakasato, Shingo Shimai, Supattra Panthai, Yuki Kuroda, Kenta Yamaguchi, Kaori Fujisawa, Kyohei Hisano, Molecules, 24, 4606 (2019)
  30. Novel Conducting Polymeric Nanocomposites Embedded with Nanoclay: Synthesis, Photoluminescence, and Corrosion Protection Performance, Kamal I. Aly, Osama Younis, Mahmoud H. Mahross, Osamu Tsutsumi, Mohamed Gamal Mohamed, Marwa M. Sayed, Polym. J., 51, 77–90 (2019)
  31. Kinetically and Thermodynamically Controlled Nanostructures of Perylene-Substituted Lophine Derivatives, Ryosuke Usui, Mitsuaki Yamauchi, Yukihide Ishibashi, Osamu Tsutsumi, Tsuyoshi Asahi, Sadahiro Masuo, Naoto Tamai, Yoichi Kobayashi, J. Phys. Chem. C, 123, 10145–10152 (2019)
  32. Flexible Multifunctional Sensors for Wearable and Robotic Applications, Mengying Xie, Kyohei Hisano, Mingzhu Zhu, Takuya Toyoshi, Min Pan, Shima Okada, Osamu Tsutsumi, Sadao Kawamura, Chris Bowen, Adv. Mater. Technol., 4, 1800626 (2019)
  33. Blue-Emitting Acridine-Tagged Silver(I)-bis-N-heterocyclic Carbene, Prabusankar Ganesan, Nirmala Muthukumaran, Moulali Vaddamanu, Raju Gembali, Kavitha Velappan, Sathyanarayana Arruri, Yamane Masaya, Shohei Sugiyama, Kyohei Hisano, Osamu Tsutsumi, RSC Adv., 9, 7543–7559 (2019)
  34. Thermochemically Stable Liquid-Crystalline Gold(I) Complexes Showing Enhanced Room Temperature Phosphorescence,Yuki Kuroda, Shin-ya Nakamura, Katam Srinivas, Arruri Sathyanarayana, Ganesan Prabusankar, Kyohei Hisano, Osamu Tsutsumi, Crystal, 9, 227 (2019)
  35. Luminescent Zinc(II) Selone Macrocyclic Ring,Gembali Raju, Moulali Vaddamanu, Mannarsamy Maruthupandi, Nirmala Muthukumaran, Shin-ya Nakamura, Yamane Masaya, Kyohei Hisano, Osamu Tsutsumi, Chinmoy Biswas, Sai Santosh Kumar Raavi, Ganesan Prabusankar, RSC Adv., 9, 14841–14848 (2019)
  36. Photoluminescence Behavior of Liquid-Crystalline Gold(I) Complexes with Siloxane Group Controlled by Molecular Aggregated Structures in Condensed Phases, Kaori Fujisawa, Fumika Mitsuhashi, Anukul Preeyanuch, Kensuke Taneki, Osama Younis, Osamu Tsutsumi, Polym. J., 50, 761–769 (2018)
  37. Controlling the Solid-State Luminescence of Gold(I) N-Heterocyclic Carbene Complexes through Changes in the Structure of Molecular Aggregates, Arruri Sathyanarayana, Shin-ya Nakamura, Kyohei Hisano, Osamu Tsutsumi, Katam Srinivas, Ganesan Prabusankar, Sci. China Chem., 61, 957–965 (2018)
  38. Color tuning donor–acceptor-type azobenzene dyes by controlling the molecular geometry of the donor moiety, Shigeyuki Yamada, Junko Bessho, Hitoya Nakasato, Osamu Tsutsumi, Dyes and Pigments, 150, 89–96 (2018)
  39. Effects of Aromatic Core and Flexible Terminal Chain Structures on the Properties of Luminous Liquid-Crystalline Gold(I) Complexes for Functional Materials, Anukul Preyanuch, Nana Sugimoto, Kaho Sakamoto, Yuki Rokusha, Kensuke Taneki, Kaori Fujisawa, Osamu Tsutsumi, Mol. Cryst, Liq. Cryst., 662, 176–187 (2018)
  40. Mesogenic Gold Complexes Showing Aggregation-Induced Enhancement of Phosphorescence in Both Crystalline and Liquid-Crystalline Phases, Shigeyuki Yamada, Yuki Rokusha, Ryo Kawano, Kaori Fujisawa, Osamu Tsutsumi, Faraday Discussions, 196, 269–283 (2017)
  41. Electron-density distribution tuning for enhanced thermal stability of luminescent gold complexes, Shigeyuki Yamada, Shun Yamaguchi, and Osamu Tsutsumi, J. Mater. Chem. C, 5, 7977–7984 (2017)
  42. Photoluminescence from Au(I) Complexes Exhibiting Color Sensitivity to the Structure of the Molecular Aggregates, Ryo Kawano, Osama Younis, Akihiro Ando, Yuki Rokusha, Shigeyuki Yamada, Osamu Tsutsumi, Chem. Lett., 45, 66–68 (2016) (Editer's choice)
  43. Effects of molecular structure and aggregated structure on photoluminescence properties of liquid-crystalline gold(I) complexes with various aromatic rings, Osama Younis, Yuki Rokusha, Nana Sugimoto, Kaori Fujisawa, Shigeyuki Yamada, Osamu Tsutsumi, Mol. Cryst. Liq. Cryst., 617, 21–31 (2015).
  44. Hierarchical Self-Assembly of Oxomolybdate Monomers into a Stable Polyoxomolybdate Crystal with an Ordered Nanochannel Array, Ryohei Watanabe, Kenjiro Uno, Makoto Muto, Shigeyuki Yamada, Osamu Tsutsumi, Mol. Cryst. Liq. Cryst., 617, 32–39 (2015).
  45. Tuning the photoluminescence of condensed-phase cyclic trinuclear Au(I) complexes through control of their aggregated structures by external stimuli, Kaori Fujisawa, Shigeyuki Yamada, Yukihiro Yanagi, Yasunori Yoshioka, Ayumi Kiyohara, Osamu Tsutsumi, Sci. Rep., 5, 7934 (2015)
  46. Photoluminescent Gold(I) Complex with Biphenyl Acetylene Ligand Showing Stable Nematic Liquid-Crystalline Phase, Nana Sugimoto, Sho Tamai, Kaori Fujisawa, Osamu Tsutsumi, Mol. Cryst. Liq. Cryst., 601, 97–106 (2014).
  47. Reversible thermal-mode control of luminescence from liquid-crystalline gold(I) complexes. , Kaori Fujisawa, Yuki Okuda, Yuichi Izumi, Akira Nagamatsu, Yuki Rokusha, Yusuke Sadaike, Osamu Tsutsumi, J. Mater. Chem. C, 2, 3549–3555 (2014)
  48. Morphological Control of Gold Nanoparticle Aggregates via Photoisomerization of Azobenzene Liquid Crystals., Kaori Fujisawa, Asuna Kuranari, Koji Ota, Osamu Tsutsumi. , Mol. Cryst. Liq. Cryst., 583, 21–28 (2013).
  49. Photoluminescent Properties of Liquid Crystalline Gold(I) Isocyanide Complexes with a Rod-Like Molecular Structure., Kaori Fujisawa, Naoya Kawakami, Yusuke Onishi, Yuichi Izumi, Sho Tamai, Nana Sugimoto, Osamu Tsutsumi, J. Mater. Chem. C, 1 (34), 5359–5366 (2013)
  50. Crystal Structure and Phase Transition Behavior of Dioctadecyldimethylammonium Chloride., Kenjiro Uno, Osamu Tsutsumi. , Mol. Cryst. Liq. Cryst., 563, 58-66 (2012).
  51. Liquid-Crystalline Behavior and Photoluminescence Properties of Gold(I) Complexes with Isocyanide Ligand: Relationship between Aggregation Structure and Properties., Kaori Fujisawa, Yuichi Izumi, Akira Nagamatsu, Kenjiro Uno, Osamu Tsutsumi, Mol. Cryst. Liq. Cryst., 563, 50-57 (2012).
  52. Self-Organization of Gold Nanoparticles Coated with a Monolayer of Azobenzene Liquid Crystals., Osamu Tsutsumi, Keitarou Yamamoto, Koji Ohta, Kaori Fujisawa, Kenjiro Uno, Takeshi Hashishin, Chihiro Yogi, Kazuo Kojima. , Mol. Cryst. Liq. Cryst., 550, 105-111 (2011).

    53. Selected papers (before 2010)

  53. Stimulus–Responsive Molecular Rotors: Control of Rotary Motion in Triptycene–Ionophore Systems with s-Block Metal Cations., Osamu Tsutsumi, Fumiko Suzuki, Mai Oowaki, Yoshie Okazaki, Kazuyoshi Takeda, Yasuhiro Mazaki, Gaku Yamamoto., Thin Solid Films, 517, 1428-1433 (2008).
  54. Synthesis and Photochemical Behavior of Metalloporphyrin Complexes Containing a Photochromic Axial Ligand., Osamu Tsutsumi, Hirokazu Sato, Kazuyoshi Takeda, Takuji Ogawa., Thin Solid Films, 499, 219-223 (2006).
  55. Simple Preparation Method for Supramolecular Porphyrin Arrays on Mica Using Air–Water Interface, Hirokazu Sato, Osamu Tsutsumi, Kazuyoshi Takeda, Hirofumi Tanaka, Takuji Ogawa. , Jpn. J. Appl. Phys., 45, 2324-2327 (2006).
  56. Azotolane Liquid–Crystalline Polymers: Huge Change in Birefringence by Photoinduced Alignment Change., Kunihiko Okano, Osamu Tsutsumi, Atsushi Shishido, Tomiki Ikeda., J. Am. Chem. Soc., 128,15368-15369 (2006).
  57. Highly Birefringent Liquid-Crystalline Polymers for Photonic Applications: Synthesis of Liquid-Crystalline Polymers with Side-Chain Azo-Tolane Mesogens and Their Holographic Properties., Kunihiko Okano, Atsushi Shishido, Osamu Tsutsumi, Takeshi Shiono, Tomiki Ikeda., J. Mater. Chem., 15, 3395-3401 (2005).
  58. Metal-Ion Sensing Fluorophores with Large Two-Photon Absorption Cross Sections: Aza-Crown Ether Substituted Donor-Acceptor-Donor Distyrylbenzenes., Stephanie J. K. Pond, Osamu Tsutsumi, Mariacristina Rumi, Ohyun Kwon, Egbert Zojer, Jean-Luc Brédas, Seth R. Marder, Joseph W. Perry., J. Am. Chem. Soc., 126, 9291-9306 (2004).
  59. Optically Switchable Bragg Reflectors., Augustine Urbas, Jay Klosterman, Vincent Tondiglia, Lalgudi Natarajan, Richard Sutherland, Osamu Tsutsumi, Tomiki Ikeda, Timothy Bunning., Adv. Mater., 16, 1453-1456 (2004).
  60. Anisotropic Bending and Unbending Behavior of Azobenzene Liquid-Crystalline Gels by Light Exposure, Tomiki Ikeda, Makoto Nakano, Yanlei Yu, Osamu Tsutsumi, Akihiko Kanazawa., Adv. Mater., 15, 201-205 (2003).
  61. Side-Chain Polymer Liquid Crystals Containing Oxadiazole and Amine Moieties with Carrier-Transporting Abilities for Single-Layer Light-Emitting Diodes., Masuki Kawamoto, Hiroyuki Mochizuki, Atsushi Shishido, Osamu Tsutsumi, Tomiki Ikeda, Bong Lee, Yasuhiko Shirota., J. Phys. Chem. B, 107, 4887-4893 (2003).
  62. Dynamics of Photochemical Phase Transition of Guest/Host Liquid Crystals with an Azobenzene Derivative as a Photoresponsive Chromophore., Jeong-Hee Sung, Shigenobu Hirano, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda., Chem. Mater., 14, 385-391 (2002).
  63. High-Performance Material for Holographic Gratings by Means of a Photoresponsive Polymer Liquid Crystal Containing a Tolane Moiety with High Birefringence., Satoshi Yoneyama, Takahiro Yamamoto, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono Tomiki Ikeda. , Macromolecules, 35, 8751-8758 (2002).
  64. Photochemical Modulation of Alignment of Liquid Crystals and Photonic Applications., Osamu Tsutsumi, Tomiki Ikeda., Curr. Opin. Solid State Mat. Sci., 6, 563-568 (2002).
  65. Phase-Type Gratings Formed by Photochemical Phase Transition of Polymer Azobenzene Liquid Crystals: 2. Rapid Switching of Diffraction Beams in Thin Films., Takahiro Yamamoto, Asami Ohashi, Satoshi Yoneyama, Makoto Hasegawa, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda., J. Phys. Chem. B, 105, 2308-2331 (2001).
  66. Optical Switching and Optical Storage Using a Photochromic Ferroelectric Liquid Crystal., Lachezar Komitov, Osamu Tsutsumi, Christian Ruslim, Tomiki Ikeda, Kunihiro Ichimura, Katsumi Yoshino., J. Appl. Phys., 89, 7745-7749 (2001).
  67. Formation of Intensity Grating in a Polymer Liquid Crystal with a Side-Chain Azobenzene Moiety by Photoinduced Alignment Change of Mesogens, Satoshi Yoneyama, Takahiro Yamamoto, Makoto Hasegawa, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda., J. Mater. Chem., 11, 3008-3013 (2001).
  68. Distinct Thermodynamic Behavior of a Mesomorphic Gold Nanoparticle Covered with a Liquid-Crystalline Compound., Naoki Kanayama, Osamu Tsutsumi, Akihiko Kanazawa, Tomiki Ikeda., Chem. Commun., 2640-2641 (2001).
  69. Photochemical Modulation of Color and Transmittance in Chiral Nematic Liquid Crystal Containing an Azobenzene as a Photosensitive Chromophore., Hyoung-Kwan Lee, Keina Doi, Hisako Harada, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda., J. Phys. Chem. B, 104, 7023-7028 (2000).
  70. A Thiophene Liquid Crystal as a Novel -Conjugated Dye for Photo-Manipulation of Molecular Alignment., Haichao Zhang, Shigeaki Shiino, Atsushi Shishido, Akihiko Kanazawa, Osamu Tsutsumi, Takeshi Shiono, Tomiki Ikeda., Adv. Mater., 12, 1336-1339 (2000).
  71. Photoinduced Phase Transition of Nematic Liquid Crystals with Donor-Acceptor Azobenzenes: Mechanism of the Thermal Recovery of the Nematic Phase., Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda, Lee-Soon Park., Phys. Chem. Chem. Phys., 1, 4219-4224 (1999).
  72. Photoinduced Alignment of Polymer Liquid Crystals Containing Azobenzene Moieties in the Side Chain. 1. The Effect of Light Intensity on Alignment Behavior., Yiliang Wu, Yasuyuki Demachi, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda., Macromolecules, 31, 349-354 (1998).
  73. Photochemical Phase Transition Behavior of Polymer Azobenzene Liquid Crystals with Electron-Donating and Accepting Substituents at 4,4’-Positions., Osamu Tsutsumi, Takashi Kitsunai, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda., Macromolecules, 31, 355-359 (1998).
  74. Photoinduced Alignment of Polymer Liquid Crystals Containing Azobenzene Moieties in the Side Chain. 2. The Effect of Spacer Length of Azobenzene Unit on Alignment Behavior., Yiliang Wu, Yasuyuki Demachi, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda., Macromolecules, 31, 1104-1108 (1998).
  75. Photochemical Phase Transition Behavior of Polymer Liquid Crystals Induced by Photochemical Reaction of Azobenzenes with Strong Donor-Acceptor Pairs., Osamu Tsutsumi, Yasuyuki Demachi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda, Yu Nagase., J. Phys Chem. B., 102, 2869-2874 (1998).
  76. Photoinduced Alignment of Polymer Liquid Crystals Containing Azobenzene Moieties in the Side Chain. 3. The Effect of Structure of Photochromic Moieties on Alignment Behavior., Yiliang Wu, Yasuyuki Demachi, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda., Macromolecules, 31, 4457-4463 (1998).
  77. Photochemical Phase Transition Behavior of Nematic Liquid Crystals with Azobenzene Moieties as Both Mesogens and Photosensitive Chromophores., Osamu Tsutsumi, Takeshi Shiono, Tomiki Ikeda, Giancarlo Galli., J. Phys. Chem. B, 101, 1332-1337 (1997).
  78. Distinct Photochemical Phase Transition Behavior of Azobenzene Liquid Crystals Evaluated by Reflection-Mode Analysis., Atsushi Shishido, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda, Naoto Tamai., J. Phys. Chem. B, 101, 2806-2810 (1997).
  79. Novel Thermotropic Liquid Crystals without a Rigid Core Formed by Amphiphiles Having Phosphonium Ions., Akihiko Kanazawa, Osamu Tsutsumi, Tomiki Ikeda, Yu Nagase., J. Am. Chem. Soc., 119, 7670-7675 (1997).
  80. Rapid Optical Switching by Means of Photoinduced Change in Refractive Index of Azobenzene Liquid Crystals Detected by Reflection-Mode Analysis., Atsushi Shishido, Osamu Tsutsumi, Akihiko Kanazawa, Takeshi Shiono, Tomiki Ikeda, Naoto Tamai., J. Am. Chem. Soc., 119, 7791-7796 (1997).
  81. Optical Switching and Image Storage by Means of Azobenzene Liquid-Crystal Films., Tomiki Ikeda, Osamu Tsutsumi., Science, 268, 1873-1875 (1995).

Laboratory of
Polymer Materials Chemistry
The Tsutsumi Research Group,
Department of Applied Chemistry
Ritsumeikan University

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