• 論文リスト
  • 2017.3

1. 総説
藤原隆、 佐々高史、「フォトリフラクティブポリマー」、OplusE(特集企画「光を操作する,光で操作する材料~有機材料を中心として」)、38巻、5号、448-454 (2016)

梅垣真祐、杉原興浩、 佐々高史、「光機能性材料」、OplusE(特集企画「光と画像2013 年:回顧,展望と大予測」)、35巻、1号、28-30 (2013)

佐々高史、「有機フォトリフラクティブ材料」、機能材料(特集企画「光エレクトロニクス-有機非線形材料の最新動向-」)、29巻、12号、41-47 (2009)

堀江正樹、佐々高史、橋爪大輔、和田達夫、「結晶中で動く、光を操る超分子」、未来材料、7巻、4号、40-45 (2007)

2. 原著論文
T. Sasaki, M. Yoshino, Y. Naka, K. V. Le and T. Sassa: “Laser irradiation durability of photorefractive ferroelectric liquid crystal blends containing terthiophene photoconductive chiral dopants,” RSC Adv., vol. 6, pp. 70573 – 70580 (2016).

N. Tsutsumi, K. Kinashi, T. Fukami, Y. Yabuhara, S. Motoishi, W. Sakai, M. Kawamoto, and T. Sassa: “Molecular design of azo-carbazole monolithic dyes for updatable full-colour holograms,” NPG Asia Mater., vol. 8, pp.e311 (2016).

H. N. Giang, T. Sassa, T. Fujihara, S. Tsujimura, K. Kinashi, W. Sakai1, N. Tsutsumi: “Electron Dominated Grating In Triphenylamine-based Photorefractive Composite,” accepted for publication in J. Mater. Chem. C, vol. 4, pp. 6822 – 6828 (2016).

S. Tsujimura, T. Fujihara, T. Sassa*, K. Kinashi, W. Sakai, K. Ishibashi, and N. Tsutsumi**: “Characterization of Carrier Transport and Trapping in Photorefractive Polymer Composites Using Photoemission Yield Spectroscopy in Air,” Macromol. Chem. Phys. vol. 217, pp. 1785 – 1791 (2016).

N. Tsutsumi, K. Kinashi, K. Ogo, T. Fukumi, Y. Yabuhara, Y. Kawabe, K. Tada, K. Fukuzawa, M. Kawamoto, T. Sassa, T. Fujihara, T. Sasaki, and Y. Naka: “Updatable holographic diffraction of monolithic carbazole azobenzene compound in poly(methyl methacrylate) matrix,” J. Phys. Chem. C, vol. 119, pp. 18567 – 18572 (2015).

T. Yoshikawa, M. Kawamoto, T. Fujihara, K. Tada, T. Sassa, and Y. Kawabe: “Long-lived cis state of azocarbazole dye with strong acceptor highly doped in a polymer matrix, ” J. Opt. Soc. Am. B, vol. 32, pp. 622 – 627 (2015).

S. Tsujimura, T. Fujihara, T. Sassa*, K. Kinashi, W. Sakai, K. Ishibashi, and N. Tsutsumi*: “Enhanced photoconductivity and trapping rate through control of bulk state in organic triphenylamine-based photorefractive materials,” Org. Electron. vol. 15, pp. 3471 - 3475 (2014).

S. Watanabe, Y. Fukuchi, M. Fukasawa, T. Sassa, A. Kimoto, Y. Tajima, M. Uchiyama, T. Yamashita, M. Matsumoto, T. Aoyama: “In Situ KPFM Imaging of Local Photovoltaic Characteristics on Structured Organic Photovoltaic Devices,” ACS Appl. Ma ter. Inter. vol. 6, pp.1481 - 1487 (2014).

T. Fujihara, J. Mamiya, M. Kawamoto, and T. Sassa*: “Dark current and light illumination effects on grating formation during periodic long-term operation in photorefractive polymers,” J. Appl. Phys. vol. 115, pp.023109 (2014).

A. Inoue, T. Sassa, R. Furukawa, K. Makino, A. Kondo, and Y. Koike: “Efficient group delay averaging in graded-index plastic optical fiber with microscopic heterogeneous core,” Opt. Express vol. 21, pp.17379 - 17385 (2013).

A. Takahashi, A. Inoue, T. Sassa, and Y. Koike: "Fluorination effects on attenuation spectra of plastic optical fiber core materials," Opt. Mater. Express. vol. 3, pp. 658 - 663 (2013).

T. Sassa, T. Fujihara, J. Mamiya, and M. Kawamoto: “Effetcs of transient dark currents on the buildup dynamics of refractive index changes in photorefractive polymers excited by pulsed voltage,” Opt. Mater. Express. vol. 3, pp. 472 - 479 (2013).

M. Horie, Y. Suzaki, D. Hashizume, T. Abe, T. Wu, T. Sassa, T. Hosokai, K. Osakada: “Thermally-Induced Phase Transition of Pseudorotaxane Crystals: Changes in Conformation and Interaction of the Molecules and Optical Properties of the Crystals,” J. Am. Chem. Soc. vol. 134, pp. 17932 - 17944 (2012).

S. Watanabe, Y. Fukuchi, M. Fukasawa, T. Sassa, M. Uchiyama, T. Yamashita, M. Matsumoto, and T. Aoyama: “Electron donor and acceptor spatial distribution in structured bulk heterojunction photovoltaic devices induced by periodic photopolymerization,” Langmuir vol. 28, pp. 10305 - 10309 (2012).

T. Fujihara, S. Umegaki, M. Hara, and T. Sassa*: “Formation speed and formation mechanism of self-written surface wave-based waveguides in photorefractive polymers,” Opt. Mater. Express vol. 2, pp. 849 - 855 (2012).

A. Inoue, T. Sassa, K. Makino, A. Kondo, and Y. Koike: “Intrinsic transmission bandwidths of graded-index plastic optical fibers,” Opt. Lett. vol. 37, pp. 2583 - 2585 (2012).

T. Fujihara and T. Sassa*: “Influence of the continuous application of an external DC electric field on chromophore orientations of low Tg-photorefractive polymers,” Mol. Cryst. Liq. Cryst. vol. 568, pp. 82 - 86 (2012).

M. Kawamoto, T. Sassa, and T. Wada: “Photoinduced control of self-organized orientations of amorphous molecular materials by means of polarized light,” J. Phys. Chem. B vol. 114, pp. 1227 - 1232 (2010).

T. Fujihara, T. Sassa*, S. Kawada, J. Mamiya, T. Muto, and S. Umegaki: “Simplified procedure for interferometric determination of electro-optic properties of low-Tg photorefractive polymers,” J. Appl. Phys. vol. 107, pp. 023112 (2010).
S. Watanabe, T. Aoyama, Y. Fukuchi, T. Sassa, T. Yamashita, M. Matsumoto, and T. Wada: “KPFM observation for Photo-assisted Formation of Donor-acceptor Spatial Distribution in Organic Photovoltaic Devices,” J. Photopolym. Sci. Tec. vol. 22, pp. 571 - 574 (2009) .
T. Fujihara, T. Sassa*, T. Muto, S. Umegaki, and T. Wada: “Surface waves in photorefractive polymer films,” Opt. Express vol. 17, pp. 14150 - 14155 (2009).

T. Aoyama, Y. Fukuchi, T. Sassa, T. Yamashita, and T. Wada: “Grating formation by periodic photopolymerization in organic photovoltaic devices,” J. Photopolym. Sci. Tec. vol. 20, pp. 93 - 95 (2007).

J. C. Ribierre, T. Aoyama, T. Kobayashi, T. Sassa, T. Muto, and T. Wada: “Influence of the liquid carbazole concentration on charge trapping in C60 sensitized photorefractive polymers,” J. Appl. Phys. vol. 102, pp. 033106 (2007).
T. Fujihara, T. Sassa, Y. Takeda, T. Muto, T. Wada, and S. Umegaki: “Optimization of thickness of polymeric photorefractive thin film for large two-beam coupling strength in reflection beam arrangement,” Jpn. J. Appl. Phys. vol. 46, pp. 4160 - 4162 (2007).

M. Horie, T. Sassa, D. Hashizume, Y. Suzaki, K. Osakada, and T. Wada: “A crystalline Supramolecular switch: controlling the optical anisotropy through the collective dynamic motion of molecules,” Angew. Chem. Int. Ed. vol. 46, 4983 - 4986 (2007).

* Introduced in RESEARCH HIGHLIGHTS, Nature vol. 447, 757 (2007).

T. Sassa, T. Wada: “Soft-optoelectronics materials: Efficient utilization of molecular alignment by prism couplers,” J. Photopolym. Sci. Tec. vol. 18, pp. 489 - 493 (2005).

T. Aoyama, J-C. Ribierre, T. Sassa, T. Kobayashi, T. Muto, and T. Wada: “Two-beam coupling gain and trap density in liquid carbazole-based photorefractive polymers,” Nonlinear Optics, Quantum Optics vol. 34, pp. 151-154 (2005).

T. Sassa, T. Fujihara, Y. Takeda, T. Muto, S. Umegaki, and T. Wada: “Photorefractive two-beam coupling device using polymeric materials,” Nonlinear Optics, Quantum Optics vol. 34, pp. 147-150 (2005).

S-i. Noro, H-C. Chang, T. Takenobu, Y. Murayama, T. Kanbara, T. Aoyama, T. Sassa, T. Wada, D. Tanaka, S. Kitagawa, Y. Iwasa, T. Akutagawa, and T. Nakamura: “Metal-Organic Thin-Film Transistor (MOTFT) Based on a Bis(o-diiminobenzosemiquinonate) Nickel(II) Complex,” J. Am. Chem. Soc. vol. 127, pp. 10012-10013 (2005).

S. Suresh, H. Zengin, B K. Spraul, T. Sassa, T. Wada, and D W. Smith, Jr.: “Synthesis and hyperpolarizabilities of high temperature triarylamine-polyene chromophores,” Tetrahedron Lett. vol. 46, pp. 3913-3916 (2005).

T. Sassa, T. Muto, T. Wada, Y. Takeda, T. Fujihara, and S. Umegaki: “Strongly Electric-field-dependent spatial properties of fanning beam in polymeric medium,” Appl. Phys. Lett. vol. 86, pp. 084103-1-084103-3 (2005).

X. Jiang, P. Herguth, T. Sassa, and A. K-Y. Jen: “Efficient green polymer light-emitting diodes with microcavity effect in electroluminescence spectrum but constant quantum efficieny,” J. Appl. Phys. vol. 96, pp. 3553-3555 (2004).

T. Sassa, T. Muto, and T. Wada: “Enhanced Photorefractive Two-beam Coupling in Low-Tg Polymeric Materials with a New Device Structure,” J. Opt. Soc. Am. B vol. 24, pp. 1255-1261 (2004).

B K. Spraul, S. Suresh, T. Sassa, M. A Herranz, L. Echegoyen, T. Wada, D. Perahia, and D W. Smith Jr.: “Thermally Stable Triaryl Amino Chromophores with High Molecular Hyperpolarizabilities, “ Tetrahedron Lett. vol. 45, pp. 3253-3256 (2004).

T. Muto, T. Sassa, T. Wada, M. Kimura, and H. Shirai: “Enhanced Third-order Optical Nonlinearity in Helical Assembly of a Chiral Vanadyl Phthalocyanine, “ Chem. Lett. vol. 33, pp. 132-133 (2004).

T. Fujihara, M. Tokuue, S. Umegaki, T. Sassa and M. Yokoyama: “Formation of an Anti-guide Structure and Observation of Enhanced SHG in Photorefractive Materials, “ Optical Materials vol. 21, pp. 51-54 (2003).

H. Ma, S. Liu, J. D. Luo, S. Suresh, L. Liu, S. H. Kang, M. Haller, T. Sassa, L. R. Dalton and A. K.-Y. Jen.: "Highly Efficient and Thermally Stable Electro-optical Dendrimers for Photonics, “ Adv. Funct. Mater. vol. 12, pp. 565-574 (2002).

T. Sassa and S. Umegaki: "Theoretical analysis of enhanced second harmonic generation based on a self-formed anti-guide structure, " J. Appl. Phys. vol. 91, pp. 8942-8990 (2002).

T. Sassa, T. Wada, H. Sasabe, M. Yokoyama and S. Umegaki: "Active Formation of an Anti-guide Structure in a Photorefractive Polymer for Enhancing Second Harmonic Generation, " Opt. Lett. vol. 26, pp. 995 - 997 (2001).

H. Ma, B. Chen, T. Sassa, L. R. Dalton and A. K.-Y. Jen: "Highly Efficient Thermally Stable Nonlinear Optical Dendrimer for Electro-optics, " J. Am. Chem. Soc. vol. 123, pp. 986 - 987 (2001).

H. K-Suda, T. Sassa, T. Wada and H. Sasabe: "Analysis of Second Harmonic Generation Phase Measurement for Determination of Molecular Orientation and Effective Second Order Nonlinear Optical Constant, " Mol.Cryst.Liq.Cryst. vol. 370, pp. 135 - 138 (2001).

H. K-Suda, T. Sassa, T. Wada and H. Sasabe: "Simultaneous Determination of Average Direction of Molecular Orientation and Effective Second Order Nonlinear Optical Constant (IdeffI ) by Phase Measurements of Second Harmonic Generation, " J. Phys. Chem. B vol. 105, pp. 1763 - 1769 (2001).

T. Fujihara, M. Tokuue, T. Sassa, K. Ozawa, S. Umegaki, M. Yokoyama, T. Wada and H. Sasabe: "Formation of an Anti-guide Structure in a Photorefractive Polymer by a Pump-light Beam, " Nonlinear Optics vol. 25, pp. 201 - 206 (2000).

H. K-Suda, Y. Zhang, T. Sassa, T. Wada and H. Sasabe: "Polar Alignment in Spin-coated Carbazole Main- and Side-chain Polymer Films, " Adv. Mater. vol. 12, pp. 1196 - 1199 (2000).

A. Gunji, H K-Suda, T. Sassa, T. Wada and H. Sasabe: "Second-order Nonlinear Optical Properties of Amorphous Calix[4]arene Containing Carbazole Derivatives, " Nonlinear Optics vol. 24, pp. 41 - 46 (2000).

T. Aoyama, T. Wada, Y. Zhang, T. Sassa, H. Sasabe, K. Sasaki and Y. Koike: "Photoconductivity and Electro-optic Effect in Main- and Side-chain Photorefractive Polymers, " NonlinearOptics vol. 22, pp. 205 - 208 (1999).

T. Sassa, S. Umegaki, M. Yokoyama, T. Wada and H. Sasabe: "A Gradually Formed Anti-guide Structure in a Nonlinear-optical Photoconducting Polymer, " NonlinearOptics vol. 22, pp. 201 - 204 (1999).

T. Sassa and S. Umegaki: "Effects of Reorientation of Molecules in a Nonlinear-optical Photoconducting Polymer on Formation of an Anti-guide Structure, " J. Appl. Phys. vol. 84, pp. 4071 - 4075 (1998).

T. Sassa and S. Umegaki: " Enhancement of Second-harmonic Power Due to Self-construction of an Anti-guide Structure in a Thin-film Waveguide of a Nonlinear-optical Photoconducting Polymer, " Jpn. J. Appl. Phys. vol. 37, pp. L447 - L449 (1998).

T. Sassa and S. Umegaki: " Cerenkov-radiation-type Second-harmonic Generation in Nonlinear-optical Photoconducting Polymers Based on Self-organized Quasi-phase- matching, " Opt. Lett. vol. 22, pp. 856 - 858 (1997).

T. Tomono, Y. Nishikata, L. S. Pu, T. Sassa, T. Kinoshita and K. Sasaki: "Phase-matched Second Harmonic Generations in Poled Polymer Films Based on Poly (methyl methacrylate) Containing a p-aminophenyl-cyclobutenedione Moiety as the Side Chains, " Mol. Cryst. Liq. Cryst. vol. 227, pp. 113 - 131 (1993).

T. Tomono, Y. Nishikata, L. S. Pu, T. Sassa, Y. Nonaka and K. Sasaki: "Phase-matched Second-harmonic Generation in Poled Polymer Waveguide Based on Poly(methyl-methacrylate) Doped with Cyclobutenedione Derivative, " Nonlinear Optics vol. 3, pp. 255 - 264 (1992).