Former Institution / Organization Tokyo Institute of Technology Graduate School of Science and Engineering Department of Organic and Polymeric Materials
Associate Professor
Research field (1):
Polymer chemistry
Research keywords (2):
高分子液晶の構造と物性
, Structures and properties of rod-like liquid crystalline polymers
Research theme for competitive and other funds (6):
2017 - 2020 Development of optical active devices based on DNA-dye-complexes
2016 - 2020 Study on size-specific phase separation in smectic phases of rod-shaped polymers and its application
2010 - 2012 Research on Depletion-effect-driven Formation of Micro-segregatedSmectic Liquid Crystalline Phases and Their Applications
2006 - 2010 Clarification of nano-scaled structures in biological systems resulting in beautiful colors and their artificial production for application to optical
2000 - 剛直主鎖型高分子液晶の構造と物性
2000 - Structures and Properties of Rod-like Liquid Crystalline Polymers
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Papers (79):
Tomoyuki Ikai, Yuki Morita, Tsuyoshi Majima, Shoki Takeda, Ryoma Ishidate, Kosuke Oki, Nozomu Suzuki, Hajime Ohtani, Hiromi Aoi, Katsuhiro Maeda, et al. Control of One-Handed Helicity in Polyacetylenes: Impact of an Extremely Small Amount of Chiral Substituents. Journal of the American Chemical Society. 2023
Itsuki Kato, Takuya Tanaka, Kento Okoshi. Dilated smectic liquid crystal of polystyrene-block-polysilane-block-polystyrene copolymer synthesized by atom transfer radical polymerization. Chemistry Letters. 2020. 49. 4. 347-349
Itsuki Kato, Katsuhiko Sunahara, Kento Okoshi. Smectic-Smectic Phase Segregation Occurring in Binary Mixtures of Long and Short Rigid-Rod Helical Polysilanes. Macromolecules. 2019. 52. 3. 1134-1139
Yutaka Kawabe, Kento Okoshi. Light amplification and photo-isomerization characteristics of laser dyes and azo molecules incorporated into DNA-complex systems. Proceedings of SPIE - The International Society for Optical Engineering. 2018. 10801
Y. Kawaba, K. Okoshi. Discrimination of photo-induced isomerization and molecular reorientation processes in azobenzene derivative doped in a polymer. Opt. Mater. Exp. 2018. 8. 332-341
S. Ohsawa, S.-i. Sakurai, K. Nagai, K. Maeda, K. Okoshi, J. Kumaki, E. Yashima. Hierarchical Amplification of Macromolecular Helicity of Dynamic Helical Poly(phenylacetylene)s Bearing Nonracemic Alanine Pendants in Dilute Solution, Liquid Crystal, and Two-Dimensional Crystal. Polym. J. 2012. 44. 1. 42-50-50
Kento Okoshi, Akiko Suzuki, Masatoshi Tokita, Michiya Fujiki, Junji Watanabe. Entropically driven smectic A and A2 phases occurring in binary mixtures of rigid-rod helical polysilanes with different molecular weights. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 2009. 237
Takashi Kajitani, Kento Okoshi, Shin-ichiro Sakurai, Eiji Yashima. Helical polyisocyanides with a controlled helix-sense and a supramolecular cholesteric twist-sense. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 2006. 231
J.Watanabe, K.Okoshi, N.Sano S.Edo. Coloration due to Christiansen Effect in Colloidal Solutions of Amphiphilic Hydroxypropylcellulose. Structural Colors in Biological Systems: Principles and Applications(S.Kinoshita and J.Yoshioka,eds). 2005. 319-327