Itaru Osaka

Summary

Affiliation: Hiroshima University
Country: Japan

Publications

  1. ncbi Synthesis, characterization, and transistor and solar cell applications of a naphthobisthiadiazole-based semiconducting polymer
    Itaru Osaka
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1 4 1 Kagamiyama, Higashi Hiroshima, Hiroshima 739 8527, Japan
    J Am Chem Soc 134:3498-507. 2012
  2. ncbi High-mobility semiconducting naphthodithiophene copolymers
    Itaru Osaka
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1 4 1 Kagamiyama, Higashi Hiroshima, Hiroshima 739 8527, Japan
    J Am Chem Soc 132:5000-1. 2010
  3. ncbi Impact of isomeric structures on transistor performances in naphthodithiophene semiconducting polymers
    Itaru Osaka
    Department of Chemistry, Graduate School of Engineering, Hiroshima University, 1 4 1 Kagamiyama, Higashi Hiroshima, Hiroshima 739 8527, Japan
    J Am Chem Soc 133:6852-60. 2011
  4. ncbi Thienoacene-based organic semiconductors
    Kazuo Takimiya
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima, Japan
    Adv Mater 23:4347-70. 2011
  5. ncbi Linear- and angular-shaped naphthodithiophenes: selective synthesis, properties, and application to organic field-effect transistors
    Shoji Shinamura
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    J Am Chem Soc 133:5024-35. 2011
  6. ncbi Borylation on Benzo[1,2-b:4,5-b']- and Naphtho[1,2-b:5,6-b']dichalcogenophenes: Different Chalcogene Atom Effects on Borylation Reaction Depending on Fused Ring Structure
    Masahiro Nakano
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan, and Emergent Molecular Function Research Team, RIKEN Advanced Science Institute, Wako, Saitama 351 0198, Japan
    Org Lett 14:5448-51. 2012
  7. ncbi Diphenyl Derivatives of Dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene: Organic Semiconductors for Thermally Stable Thin-Film Transistors
    Myeong Jin Kang
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima, Hiroshima 739 8527 Japan
    ACS Appl Mater Interfaces 5:2331-6. 2013
  8. ncbi Orthogonally functionalized naphthodithiophenes: selective protection and borylation
    Shoji Shinamura
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    Org Lett 14:4718-21. 2012
  9. ncbi Isomerically pure anthra[2,3-b:6,7-b']-difuran (anti-ADF), -dithiophene (anti-ADT), and -diselenophene (anti-ADS): selective synthesis, electronic structures, and application to organic field-effect transistors
    Masahiro Nakano
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    J Org Chem 77:8099-111. 2012
  10. ncbi [2,2']Bi[naphtho[2,3-b]furanyl]: a versatile organic semiconductor with a furan-furan junction
    Kazuki Niimi
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    Chem Commun (Camb) 48:5892-4. 2012

Collaborators

  • Kazuo Takimiya
  • Eigo Miyazaki
  • Shoji Shinamura
  • Kazuki Niimi
  • Masahiro Nakano
  • Myeong Jin Kang
  • Tomoya Kashiki
  • Tatsuya Yamamoto
  • Akiko Nakao
  • Ryusuke Sugimoto
  • Noriko Takemura
  • Hayato Kakizoe
  • Chihaya Adachi
  • Takeshi Nishimura
  • Naoyuki Yanai
  • Hiroki Mori
  • Yoshinobu Houchin
  • Takamichi Mori
  • Masahiro Kohara
  • Masakazu Yamagishi
  • Jun Takeya

Detail Information

Publications15

  1. ncbi Synthesis, characterization, and transistor and solar cell applications of a naphthobisthiadiazole-based semiconducting polymer
    Itaru Osaka
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1 4 1 Kagamiyama, Higashi Hiroshima, Hiroshima 739 8527, Japan
    J Am Chem Soc 134:3498-507. 2012
    ..These results demonstrate great promise for using NTz as a bulding unit for high-performance semiconducting polymers for both transistors and solar cells...
  2. ncbi High-mobility semiconducting naphthodithiophene copolymers
    Itaru Osaka
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1 4 1 Kagamiyama, Higashi Hiroshima, Hiroshima 739 8527, Japan
    J Am Chem Soc 132:5000-1. 2010
    ..We believe that these findings will give new insight into the design of new organic semiconducting materials and that the present polymers are promising materials for printable electronics...
  3. ncbi Impact of isomeric structures on transistor performances in naphthodithiophene semiconducting polymers
    Itaru Osaka
    Department of Chemistry, Graduate School of Engineering, Hiroshima University, 1 4 1 Kagamiyama, Higashi Hiroshima, Hiroshima 739 8527, Japan
    J Am Chem Soc 133:6852-60. 2011
    ..We thus propose that both the molecular shapes and the electronic structures are important factors to be considered when designing high performance semiconducting polymers...
  4. ncbi Thienoacene-based organic semiconductors
    Kazuo Takimiya
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima, Japan
    Adv Mater 23:4347-70. 2011
    ..The discussion provides insight into new molecular design strategies for the development of superior organic semiconductors...
  5. ncbi Linear- and angular-shaped naphthodithiophenes: selective synthesis, properties, and application to organic field-effect transistors
    Shoji Shinamura
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    J Am Chem Soc 133:5024-35. 2011
    ..These results indicate that the present NDT cores, in particular the linear-shaped, centrosymmetric naphtho[2,3-b:6,7-b']dithiophene, are promising building blocks for the development of organic semiconducting materials...
  6. ncbi Borylation on Benzo[1,2-b:4,5-b']- and Naphtho[1,2-b:5,6-b']dichalcogenophenes: Different Chalcogene Atom Effects on Borylation Reaction Depending on Fused Ring Structure
    Masahiro Nakano
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan, and Emergent Molecular Function Research Team, RIKEN Advanced Science Institute, Wako, Saitama 351 0198, Japan
    Org Lett 14:5448-51. 2012
    ..e., benzo[1,2-b:4,5-b']- and naphtho[1,2-b:5,6-b']dichalcogenophenes, were examined, and it was observed that the reaction efficiency largely depends on the fused ring structure and chalcogenophene ring...
  7. ncbi Diphenyl Derivatives of Dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene: Organic Semiconductors for Thermally Stable Thin-Film Transistors
    Myeong Jin Kang
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima, Hiroshima 739 8527 Japan
    ACS Appl Mater Interfaces 5:2331-6. 2013
    ..For its excellent thermal stability with good FET characteristics, 2,9-DPh-DNTT can be a useful organic semiconductor in various applications that require processes at high temperatures...
  8. ncbi Orthogonally functionalized naphthodithiophenes: selective protection and borylation
    Shoji Shinamura
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    Org Lett 14:4718-21. 2012
    ..The same protocol is applicable to other isomeric naphthodithiophenes (NDTs), which affords a set of key building blocks for the development of elaborated functional π-materials...
  9. ncbi Isomerically pure anthra[2,3-b:6,7-b']-difuran (anti-ADF), -dithiophene (anti-ADT), and -diselenophene (anti-ADS): selective synthesis, electronic structures, and application to organic field-effect transistors
    Masahiro Nakano
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    J Org Chem 77:8099-111. 2012
    ..We also tested the diphenyl derivatives of anti-ADF, -ADT, and -ADS as the active material for OFET devices, which showed high mobility of up to 1.3 cm(2) V(-1) s(-1)...
  10. ncbi [2,2']Bi[naphtho[2,3-b]furanyl]: a versatile organic semiconductor with a furan-furan junction
    Kazuki Niimi
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    Chem Commun (Camb) 48:5892-4. 2012
    ..In the devices, the material acted as a p-type semiconductor, showing moderately high mobility in OFETs, good photo conversion efficiency in OPVs, and blue-green emission in OLETs...
  11. ncbi Angular-shaped naphthodifurans, naphtho[1,2-b;5,6-b']- and naphtho[2,1-b;6,5-b']-difuran: are they isoelectronic with chrysene?
    Masahiro Nakano
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    Chem Commun (Camb) 48:5671-3. 2012
    ..The difference in electronic structure in the ground state can be explained by distinct electronic perturbation from the outermost aromatic rings...
  12. ncbi General synthesis of dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DNTT) derivatives
    Kazuki Niimi
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527 Japan
    Org Lett 13:3430-3. 2011
    ..Thus, newly developed derivatives of DNTT showed very high field effect mobility in the vapor-processed field-effect transistors up to 8 cm(2) V(-1) s(-1)...
  13. ncbi Dianthra[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DATT): synthesis, characterization, and FET characteristics of new π-extended heteroarene with eight fused aromatic rings
    Kazuki Niimi
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    J Am Chem Soc 133:8732-9. 2011
    ....
  14. ncbi Largely π-extended thienoacenes with internal thieno[3,2-b]thiophene substructures: synthesis, characterization, and organic field-effect transistor applications
    Tatsuya Yamamoto
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    Org Lett 14:4914-7. 2012
    ....
  15. ncbi Synthesis and characterization of benzo[1,2-b:3,4-b':5,6-b'']trithiophene (BTT) oligomers
    Tomoya Kashiki
    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi Hiroshima 739 8527, Japan
    J Org Chem 76:4061-70. 2011
    ....