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Researchers detail

HIRAMOTO, Masahiro


TEL: 0564-59-5537
E-Mail : (Please replace the "_at_" with @ )
Location: Yamate, No.4 Bldg. Room602

Affiliation laboratory >


Materials Molecular Science, Molecular Functions


1984  Osaka University, Faculty of Engineering Science   
1986  Ph.D (Engineering) Osaka University 
1984  Institute for Molecular Science, Technical Associate   
1988  Faculty of Engineering, Osaka Univ., Research Associate   
1997  Faculty of Engineering, Osaka Univ., Associate Professor   
2008  Professor, Institute for Molecular Science
         Professor, The Graduate University for Advanced Studies


2006 Paper award, Molecular Electronics & Bioelectronics division, Japan Society of Applied Physics       
2006 Research and Education Award, Osaka Univ,       
2004 Editor Award, Japanese Journal of Applied Physics
2017 11th JSAP Fellow (2017)
2021 The M&BE Outstanding Achievement Award

Main research themes

Organic Solar Cells
kewords Organic Semiconductors, Organic Solar Cells, ppm-Doping
PDF Annual Review : PDF

Selected Publications

  1. M. Hiramoto , H. Fujiwara , M. Yokoyama, “Three-layered organic solar cell with a photoactive interlayer of codeposited pigments”, Appl. Phys. Lett., 58, 1062-1064 (1991).
  2. M. Hiramoto, M. Suezaki, M. Yokoyama, “Effect of thin gold interstitial-layer on the photovoltaic properties of tandem organic solar cell”, Chem. Lett., 1990, 327-330 (1990).
  3. M. Hiramoto, M. Kikuchi, S. Izawa, “Parts-per-Million-Level Doping Effects in Organic Semiconductor Films and Organic Single Crystals”, Adv. Mater., 30, 1801236 (15 pages) (2018) (Invited Progress Report).
  4. C. Ohashi, S. Izawa, M. Hiramoto et al., “Hall effect in bulk-doped organic single crystal”, Adv. Mater., 29, 1605619 (2017).
  5. N. Shintaku, M. Hiramoto, S. Izawa, “Effect of trap-assisted recombination on open-circuit voltage loss in phthalocyanine/fullerene solar cells”, Org. Electron., 55, 69-74 (2018).