論文発表(2011年〜)

  • G. Linares, E. López, I. Ramiro, A. Datas, E. Antolín, Y. Shoji, T. Sogabe, Y. Okada, A. Martí, and A. Luque: Voltage limitation analysis in strain-balanced InAs/GaAsN quantum dot solar cells applied to the intermediate band concept, Sol. Energ. Mat. Sol., 132, 178 (5 pages)(2015)
  • Datas, E. López, I. Ramiro, E. Antolín, A. Martí, A. Luque, R. Tamaki, Y. Shoji, T. Sogabe, and Y. Okada: Intermediate Band Solar Cell with Extreme Broadband Spectrum Quantum Efficiency, Phys. Rev. Lett. 114, 157701(4 pages) (2015)
    [selected as “Editorial Suggestion paper in Phys. Rev. Lett.]
  • López, A.Datas, I.Ramiro, P.G. Linares, E. Antolín, I. Artacho, A.Martí and A. Luque,Y. Shoji, T. Sogabe, A. Ogura and Y. Okada: Demonstration of the operation principles of Intermediate Band Solar Cells at room temperature, Sol. Energ. Mat. Sol., 149,15(4 pages) (2015)
  • C-Y. Hung, Sogabe, N.Miyashita, Y.Okada: Growth of ErAs nanodots by molecular beam epitaxy for application to tunneling junctions in multijunction solar cells, Jpn. J. Appl. Phys. 55 021201(7 pages) (2015)
  • Sogabe, A.Ogura, M.Ohba,Y. Okada, “Self-consistent electrical parameter extraction from bias dependent spectral response measurements of III-V multi-junction solar cells”, Prog. Photovolt: Res. Appl., 23, 37(12 pages)(2015)
  • Sogabe, Y.Shoji, P.Mulder, J.Schermer, E.Tamayo,Y.Okada, “Enhancement of current collection in epitaxial lift-off InAs/GaAs quantum dot thin film solar cell and concentrated photovoltaic study”, Appl. Phys. Lett. 105, 113904(4 pages) (2014)
  • Sogabe, Y.Shoji, M.Ohba, K.Yoshida, R.Tamaki, H-F. Hong, C-H. Wu, C-T. Kuo, S. Tomić, Y.Okada, ” Intermediate-band dynamics of quantum dots solar cell in concentrator photovoltaic modules “, Sci. Rep. (Nature Publishing Group), 4, 4792(7 pages) (2014)
  • Ogura, T.Sogabe, M.Ohba,Y.Okada, “Extraction of electrical parameters in multi-junction solar cells from voltage dependent spectral response without light bias”, Jpn J. Appl.Phys. 53, 066601 (5 pages)(2014)
  • Sogabe, A.Ogura, Y.Okada, “Analysis of bias voltage dependent spectral response in Ga0.51In0.49P/Ga0.99In0.01As/Ge triple junction solar cell”, J.Appl.Phys. 115, 7, 074503(7 pages) (2014)
  • Tomić, T.Sogabe*,Y.Okada, “In-plane coupling effect on absorption coefficients of InAs/GaAs quantum dots arrays for intermediate band solar cell”, Prog. Photovolt: Res. Appl., 23,546(13 pages)(2014) (Co-corresponding author)
  • Sogabe, T.Kaizu, Y.Okada,S.Tomić, “Theoretical analysis of GaAs/AlGaAs quantum dots in quantum wire array for intermediate band solar cell”, J. Renewable Sustainable Energy, 6, 011206(11 pages) (2014)
  • Sogabe, A.Ogura, C-Y. Hung, V. Evstropov, M.Mintairov, M.Shvarts,Y.Okada, “Experimental characterization and self-consistent modeling of luminescence coupling effect in III-V multijunction solar cells”, Appl. Phys. Lett. 103, 263907(4 pages) (2013)
  • Okada, N. J. Ekins-Daukes, T. Kita, R. Tamaki, M. Yoshida, A. Pusch, O. Hess, C. C. Phillips, D. J. Farrell1, K. Yoshida1, N. Ahsan, Y. Shoji, T. Sogabe and J.-F. Guillemoles Intermediate band solar cells: Recent progress and future directions, Appl. Phys. Rev. 2, 021302 (2015)
    [Selected as the cover of the issue]
  • Y. Okada, K. Yoshida, Y. Shoji, T. Sogabe,  “Recent progress on quantum dot intermediate band solar cells”, (review paper ) IEICE Electronics Express, 10, 1 (2013) 
  • Sogabe, A.Ogura, Y. Okada,Q.Shen, Y.Kuga, T. Toyoda,S.Tomić, P. D. McNaughter, P. O’Brien Experimental analysis of hot state multiple exciton generation in PbSe quantum dots and its transportation modelling, 5th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures, Hsinchu, Taiwan (Sep,2015)
  • C-Y.Hung, Sogabe, R.Tamaki, N.Miyashita,Y.Okada Light absorption via discrete states in GaAs solar cell embedded with Er complex, 5th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures, Hsinchu, Taiwan (Sep,2015)
  • Mori, A. Ogura, T. Sogabe and Y. Okada, Device Simulation of Thin Film Solar Cell Characteristics considering Fabry-Perot Cavity Effect, International Nano-Optoelectronics Workshop 2015, Tokyo, Japan (August,2015)
  • Tomić, T.Sogabe, Y.Okada. Quantum dot array based intermediate band solar cell: effect of light concentration, The 42th IEEE Photovoltaic Specialists Conference, New Orleans, USA (June 2015)
  • Sogabe, Y. Shoji, C-Y. Hung, D. J. Farrell, and Y. Okada, “InAs/GaAs Quantum Dot Solar Cell with 26.8% Efficiency Achieved Through Current Constraint Engineering”, The 6th World Conference on Photovoltaic Energy Conversion (WCPEC-6), Kyoto (Nov. 2014).
  • Ogura, T. Sogabe, and Y. Okada, “Evaluation of Conversion Efficiency for Multijunction Solar Cell with Luminescent Coupling Considering Series and Shunt Resistance Effects”, The 6th World Conference on Photovoltaic Energy Conversion (WCPEC-6), Kyoto (Nov. 2014).
  • C-Y. Hung, Sogabe, N. Miyashita, S. Naitoh, and Y. Okada, “Fabrication of Hybrid ErAs:InAs Quantum Dots for Solar Cell Application”, The 6th World Conference on Photovoltaic Energy Conversion (WCPEC-6), Kyoto (Nov. 2014)
  • Tomić, T. Sogabe, and Y. Okada, “Theory of Quantum Coupling and Efficiency in QD Array Based Intermediate Band Solar Cells”, The 6th World Conference on Photovoltaic Energy Conversion (WCPEC-6), Kyoto (Nov. 2014).
  • Sogabe, Y.Shoji, P.Mulder, J.Schermer, E.Tamayo,Y.Okada, “Enhancement of current collection in epitaxial lift-off InAs/GaAs quantum dot thin film solar cell and concentrated photovoltaic study”, The 40th IEEE Photovoltaic Specialists Conference, Denver,USA(June 2014).
  • Ogura, T. Sogabe, D. J. Farrell, Y. Okada, “Analysis of GaAs/AlGaAs quantum nanodisk solar cell with intermediate band carrier transportation”, The 40th IEEE Photovoltaic Specialists Conference, Denver,USA (June 2014)
  • C-Y.Hung, Sogabe, N.Miyashita, Y.Shoji, S.Naito, Y.Okada, “Local conductivity characteristics of individual ErAs nanoparticle for solar cell tunnel junction application”, The 40th IEEE Photovoltaic Specialists Conference, Denver,USA (June 2014)
  • Sogabe, A. Ogura, C-Y Hung, V. Evstropov, M.Mintairov, M. Shvarts Y.Okada,  Self-consistent modeling and bias dependent spectral response measurement of luminescence coupling effect in concentrator III-V multijunction solar cells (MJSC), 10th Conference on Concentrator Photovoltaics (CPV-10), Albuquerque, New Mexico,USA ( April, 2014,)
  • Ogura, T. Sogabe, C-Y. Hung, Y. Okada, Extraction of electrical parameters in triple-junction solar cell from voltage dependent spectral response without light bias, 10th Conference on Concentrator Photovoltaics (CPV-10) , Albuquerque, New Mexico,USA (April, 2014)
  • Tomić , T.Sogabe, Y. Okada, “In-plane coupling effect on efficiency of InAs/GaAs quantum dots arrays for intermediate band solar cell”, MRS Spring meeting, Boston,USA (March 2014)
  • Sogabe, T. Kaizu, S. Tomic and Y. Okada, GaAs/AlGaAs quantum nanodisks in quantum wire array for intermediate band solar cell, The 6th International Symposium on Innovative Solar Cells,Tokyo Tech Front (January 20, 2014)
  • Sogabe, Y .Shoji, M. Ohba, N. Shunya, N. Miyashita, C-Y. Hung, A. Ogura, and Y. Okada, “Fabrication and Characterization of GaAs Tunnel Diode and ErAs Nanoparticles Enhanced GaAs Tunnel Diode for Multijunction Solar Cell”, Materials Research Society Symposium Proceedings DOI: 10.1557/opl.2014.4. 1602 (2014)
  • Okada, Y. Shoji, R. Tamaki, and T. Sogabe, “Operation Characteristics of InAs Quantum Dot Intermediate-Band Solar Cells”, MRS Fall Meeting, , Boston,USA (Nov. 2013 )
  • Sogabe, A. Ogura, C-Y. Hung, Y.Okada “Self-consistent Approach for Modeling the Luminescent Coupling in Concentrator III-V Multijunction Solar Cells”, The 23rd Photovoltaic Science and Engineering Conference (PVSEC-23), Taipei,Taiwan (Oct 30, 2013).
  • Ogura, T. Sogabe, Y. Saito, A. Kotagiri, and Y. Okada, “Electrical Parameters Extraction from Voltage Dependent Spectral Response in Multi-junction Solar Cells without Bias Light”, The 23rd Photovoltaic Science and Engineering Conference (PVSEC-23) ,Taipei,Taiwan (Oct 30, 2013)
  • Sogabe, Y. Shoji, M. Ohba, Y. Okada, “Fabrication and numerical simulation of GaAs and ErAs enhanced GaAs tunnel diodes for multijunction solar cells, 2013 JSAP-MRS Joint Symposia, , Kyoto,Japan (Sept 18. 2013)
  • Okada, K.Yoshida, Y. Shoji and T. Sogabe, “Operation Characteristics of Quantum Dot Intermediate-Band Solar Cells under Sunlight Concentration”, The 55th Electronic Materials Conference (EMC), Univ. Notre Dame,USA (June 2013,)
  • Tomić, T. Sogabe, Y.Okada, “In-Plane Coupling Effect In Inas/Gaas Quantum Dots Arrays For Intermediate Band Solar Cell”, The 39th IEEE Photovoltaic Specialists Conference (PVSC) , Tampa,USA (June , 2013)
  • Ogura, T. Sogabe, M. Ohba, and Y. Okada, “Self-consistent Fitting of Electrical Parameters for InGaAs/Ge Dual Junction Solar Cells from Bias-dependent Spectral Response”, 9th Conference on Concentrator Photovoltaics (CPV-9) , Miyazaki, Japan (April, 2013)
  • Sogabe, Y. Shoji, M. Ohba , H-F. Hong, C-H. Wu, C-T. Kuo, and Y. Okada, “First Demonstration of InAs/GaAs Quantum Dot CPV Module”, 9th Conference on Concentrator Photovoltaics (CPV-9) , Miyazaki,Japan (April, 2013)
  • Tomić, T.Sogabe,Y.Okada, “Modelling of Vertical and In-plane Quantum Dots Arrays for High Efficiency Solar Cells”, 2012 MRS Fall Meeting, Boston,USA (Nov. 2012)