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Papers

  1. Effect of Ester Side Chains on Photovoltaic Performance in Thiophene-Thiazolothiazole Copolymers
    K. Yamanaka, M. Saito, T. Mikie, I Osaka*
    Bull. Chem. Soc. Jpn. 2021, 94, 2019–2027.
  1. Bithiazole Dicarboxylate Ester: An Easily Accessible Electron-Deficient Building Unit for π-Conjugated Polymers Enabling Electron Transport
    Y. Teshima, M. Saito, T. Mikie, K. Komeyama, I. Osaka*
    Macromolecules 2021, 54, 3489-3497.
  1. N-type Semiconducting Polymers Based on Dicyano Naphthobisthiadiazole: High Electron Mobility with Unfavorable Backbone Twist
    K. Iguchi, T. Mikie, M. Saito, K. Komeyama, T. Seo, Y. Ie*, I. Osaka*
    Chem. Mater. 2021, 33, 2218-2228.
  1. Controlled steric selectivity in molecular doping towards closest-packed supramolecular conductors
    S. Kohno, Y. Yamashita, N. Kasuya, T. Mikie, I. Osaka, K. Takimiya, J. Takeya, S. Watanabe*
    Commun. Mater. 2020, 1, 79.
    DOI.org/10.1038/s43246-020-00081-3
  1. Effect of Spacer Length in Naphthobispyrazine-Based π-Conjugated Polymers on Properties, Thin Film Structures, and Photovoltaic Performances
    T. Mikie, Y. Teshima, K. Okamoto, I. Osaka*
    Bull. Chem. Soc. Jpn. 2020, 93, 949-957.
  1. Dithiazolylthienothiophene Bisimide-Based π-Conjugated Polymers: Improved Synthesis and Application to Organic Photovoltaics as P-Type Semiconductor
    Y. Teshima, M. Saito, T. Mikie, K. Komeyama, H. Yoshida, I. Osaka*
    Bull. Chem. Soc. Jpn. 2020, 93, 561-567.

  1. Small-bandgap quinoid-based π-conjugated polymers
    T. Mikie, I. Osaka*
    J. Mater. Chem. C 2020, 8, 14262-14288.
    Selected as Cover Art
    Materials for optical, magnetic and electronic devices

  1. Dithiazolylthienothiophene bisimide: a novel electron-deficient building unit for n-type semiconducting polymers
    Y. Teshima, M. Saito, T. Fukuhara, T. Mikie, K. Komeyama, H. Yoshida, H. Ohkita, I. Osaka*
    ACS Appl. Mater. Interfaces 2019, 11, 23410-23416.

  1. Ester-Functionalized Naphthobispyrazine as an Acceptor Building Unit for Semiconducting Polymers: Synthesis, Properties, and Photovoltaic Performance
    T. Mikie, I. Osaka*
    Macromolecules 2019, 52, 3909-3917.

  1. Selective Synthesis and Properties of Electron‐Deficient Hybrid Naphthalene‐Based π‐Conjugated Systems
    T. Mikie, I. Osaka*
    Chem. Eur. J. 2018, 24, 19228-19235.
    Highlighted in Synfacts 2019, 15, 0141. 

  1. Naphthobispyrazine as an Electron-deficient Building Unit for π-Conjugated Polymers: Efficient Synthesis and Polymer Properties
    T. Mikie, K, Kawashima, K. Komeyama, H. Yoshida, I. Osaka*
    Chem. Lett. 2017, 46, 1193-1196.

  1. Cyclobuteno [60] fullerenes as efficient n-type organic semiconductors
    S. Reboredo, R. M. Girón, S. Filippone, T. Mikie, T. Sakurai, S. Seki, N. Martín
    Chem. Eur. J. 2016, 22, 13627-13631.

  1. Hetero bis-addition of spiro-acetalized or cyclohexanone ring to 58π fullerene impacts solubility and mobility balance in polymer solar cells
    T. Mikie, A. Saeki*, N. Ikuma, K. Kokubo*, S. Seki*
    ACS Appl. Mater. Interfaces 2015, 7, 12894-12902.

  1. Stereochemistry of Spiro-Acetalized [60]Fullerenes: How the Exo and Endo Stereoisomers Influence Organic Solar Cell Performance
    T. Mikie, A. Saeki*, Y. Yamazaki, N. Ikuma, K. Kokubo*, S. Seki*
    ACS Appl. Mater. Interfaces 2015, 7, 8915-8922.

  1. Spiro-1, 3-dioxolanofullerenes with low-lying LUMO level for organic solar cells
    T. Mikie, A. Saeki*, N. Ikuma, K. Kokubo*, S. Seki*
    Chem. Lett. 2015, 44, 282-284.

  1. Highly Ordered n/p-Co-assembled Materials with Remarkable Charge Mobilities
    J. L. Andarias, M. J. Rodriguez, C. Atienza, J. L. López, T. Mikie, S. Casado, S. Seki, J. L. Carrascosa, N. Martín*
    J. Am. Chem. Soc. 2015, 137, 893-897.

  1. New efficient (thio) acetalized fullerene monoadducts for organic solar cells: characterization based on solubility, mobility balance, and dark current
    T. Mikie, A. Saeki*, H. Masuda, N. Ikuma, K. Kokubo*, S. Seki*
    J. Mater. Chem. A 2015, 3, 1152-1157.

  1. Dramatic Mechanistic Change in Acid‐Catalyzed Arylation of Azafulleroids Depending on their Ambident N/C Basicity: Formation of Cyclopentene Centered Pentakisadduct
    N. Ikuma*, Y. Doi, K. Fujioka, T. Mikie, K. Kokubo, T. Oshima
    Chem. Asian J. 2014, 9, 3084-3088.

  1. Exploring Photovoltaic Feasibility of Pentaaryl [60] Fullerene in Bulk Heterojunction Architecture
    T. Mikie, A. Saeki*, N. Ikuma, K. Kokubo, S. Seki*
    J. Photopoly. Sci. Tech. 2014, 27, 553-556.

  1. Synthesis and characterization of new acetalized [60] fullerenes
    K. Kokubo*, H. Masuda, N. Ikuma, T. Mikie, T. Oshima
    Tetrahedron Lett. 2013, 54, 3510-3513.
  1. Facile and exclusive formation of aziridinofullerenes by acid-catalyzed denitrogenation of triazolinofullerenes
    N. Ikuma, T. Mikie, Y. Doi, K. Nakagawa, K. Kokubo, T. Oshima*
    Org. lett. 2012, 14, 6040-6043

  1. First kinetic evidence for the CH/π and π/π solute–solvent interaction of C60 in the Diels–Alder reaction with cyclohexadiene
    T. Oshima*, T. Mikie, N. Ikuma, H. Yakuma
    Org. biomole. chem. 2012, 10, 1730-1734.
  1. Thermal [2 + 2] Cycloaddition of Morpholinoenamines with C60 via a Single Electron Transfer
    T. Mikie, H. Asahara, K. Nagao, N. Ikuma, K. Kokubo, T. Oshima*
    Org. lett. 2011, 13, 4244-4247.
    Highlighted in Synfacts 2011, 11, 1187.