Takeo Oku

Education

   Tohoku University, Bachelor of Engineering 1983-1987 Nuclear Eng.

   Tohoku University, Master of Engineering 1987-1989 Nuclear Eng.

   Tohoku University, Doctor of Engineering 1989-1992 Nuclear Eng.



Research and professional experience

 Research Associate (1992-1994)

    Department of Metal Science and Technology, Kyoto University

 Research Associate (1994-1996)

    Department of Materials Science and Engineering, Kyoto University

 Postdoctoral Research Associate (1996-1997)

    National Center for HREM, Inorganic Chemistry 2,

    Chemical Center, Lund University, Sweden

 Associate Professor (1997 - 2002)

    Research Center for Intermaterials

    Institute of Scientific and Industrial Research, Osaka University

 Associate Professor (2002 - 2007)

    Nanoscience and Nanotechnology Center,

    Institute of Scientific and Industrial Research, Osaka University

 Professor (2007-present)

    Department of Materials Science, The University of Shiga Prefecture

Visiting researcher (2007-2008)

   Theory of Condensed Matter Group, Department of Physics

  Cavendish Laboratory, University of Cambridge, U.K.



ATOMATERIAL-Project

   Contribution to mankind, human society and nature for the 21st century

   Discovery and development of new nanoscience in atomic scale

   Construction of design rules for new advanced materials



Research field

   Perovskite solar cells

   Cu oxides solar cells

   C/BN nanomaterials

   Hydrogen storage materials

   High-resolution electron microscopy (3D observation)

   Atomic structure optimization and prediction of properties

Latest papers



Crystal structures of perovskite halide compounds used for solar cells

T. Oku

Reviews on Advanced Materials Science 59, 264-305 (2020)

https://doi.org/10.1515/rams-2020-0015



Polysilane-inserted methylammonium lead iodide perovskite solar cells doped with formamidinium and potassium

T. Oku, S. Kandori, M. Taguchi, A. Suzuki, M. Okita, S. Minami, S. Fukunishi and T. Tachikawa

Energies 13,  4776–1–11 (2020)

https://dx.doi.org/10.3390/en13184776



Effects of co-addition of sodium chloride and copper(II) bromide to mixed-cation mixed-halide perovskite photovoltaic devices

N. Ueoka and T. Oku

ACS Applied Energy Materials 3, 7272-7283 (2020)

https://dx.doi.org/10.1021/acsaem.0c00182

Effects of doping with Na, K, Rb, and formamidinium cations on (CH3NH3)0.99Rb0.01Pb0.99Cu0.01I3-x(Cl, Br)x perovskite photovoltaic cells

N. Ueoka, T. Oku, and A. Suzuki

AIP Advances 10, 125023-1-12 (2020)

https://doi.org/10.1063/5.0029162



Fabrication and characterization of potassium- and formamidinium-added perovskite solar cells

S. Kandori, T. Oku, K. Nishi, T. Kishimoto, N. Ueoka and A. Suzuki

Journal of the Ceramic Society of Japan 128,  805-811 (2020)

http://doi.org/10.2109/jcersj2.20090

Effects of mixed-valence states of Eu-doped FAPbI3 perovskite crystals studied by first-principles calculation

A. Suzuki and T. Oku

Materials Advances 2 (2021)  



Fabrication and characterization of Ni-, Co-, and Rb-incorporated CH3NH3PbI3 perovskite solar cells

A. Suzuki, M. Oe, and T. Oku

Journal of Electronic Materials  50   1980 - 1995  2021

https://doi.org/10.1007/s11664-021-08759-1