朝日　重雄 (ASAHI, Shigeo)

Books

  1. Energy Conversion Efficiency of Solar Cells T. Kita, Y. Harada, and S. Asahi (Springer, Singapore, 2019).

Papers

  1. Two-step excitation induced photovoltaic properties in an InAs quantum dot-in-well intermediate-band solar cell
    Y. Zhu, S. Asahi, K. Watanabe, N. Miyashita, Y. Okada, and T. Kita
    Journal of Applied Physics 129, pp. 074503–1–12 (2021)
  2. Reciprocal relation between intraband carrier generation and interband recombination at the heterointerface of two-step photon up-conversion solar cells
    N. Kinugawa, S. Asahi, and T. Kita
    Physical Review Applied 14, pp. 014010–1–7 (2020)
  3. Bound-to-coutinuum intraband transition properties in inas/gaas quantum dot superlattice solar cells
    Y. Harada, S. Asahi, and T. Kita
    Applied Physics Express 12, pp. 125008–1–4 (2019)
  4. Hot-carrier generation and extraction in InAs/GaAs quantum dot superlattice solar cells
    Y. Harada , N. Iwata, S. Asahi, and T. Kita
    Semiconductor Science and Technology 34, pp. 094003–1–5 (2019)
  5. Adiabatic two-step photoexcitation effects in intermediate-band solar cells with quantum dot-in-well structure
    S. Asahi, T. Kaizu, and T. Kita
    Scientific Reports 9, pp. 7859–1–8 (2019)
  6. Luminescence study of Si/SiC nano-particles embedded in SiOxCy matrix deposited using O-Cat-CVD
    Y. Matsumoto, S. Asahi, T. Kita, J. Santoyo-Salazar, C. Ramos, B. Verma, J.R. Ramos-Serrano, S. Godavarthi, G. Santana, and A. Dutt
    Physica E: Low-dimensional Systems and Nanostructures 111, pp. 179–184 (2019)
  7. Reply to: thermal artefacts in two-photon solar cell experiments
    S. Asahi, and T. Kita Nature Communications, 10, pp. 956–1–3 (2019)
  8. Hot-carrier generation in a solar cell containing InAs/GaAs quantum-dot superlattices as a light absorber
    D. Watanabe, N. Iwata, S. Asahi, Y. Harada, and T. Kita
    Applied Physics Express 11, pp. 082303–1–4 (2018)
  9. Increasing conversion efficiency of two-step photon up-conversion solar cell with a voltage booster hetero-interface
    S. Asahi, K. Kusaki, Y. Harada, and T. Kita
    Scientific Reports 8, pp. 872–1–8 (2018)
  10. Two-step photocurrent generation enhanced by the fundamental-state miniband formation in intermediate-band solar cells using a highly homogeneous InAs/GaAs quantum-dot superlattice
    K. Hirao, S. Asahi, T. Kaizu, and T. Kita
    Applied Physics Express 11, pp. 012301–1–4 (2018)
  11. Efficient two-step photocarrier generation in bias-controlled InAs/GaAs quantum dot superlattice intermediate-band solar cells
    T. Kada, S. Asahi, T. Kaizu, Y. Harada, R. Tamaki, Y. Okada, and T. Kita
    Scientific Reports 7, pp. 5865–1–10 (2017)
  12. Two-step photocurrent generation enhanced by miniband formation in InAs/GaAs quantum dot superlattice intermediate-band solar cells
    S. Watanabe, S. Asahi, Tomoyuki Kada, K. Hirao, T Kaizu, Y. Harada, and T. Kita
    Applied Physics Letters 110, pp. 193104–1–5 (2017)
  13. Two-step photon up-conversion solar cells
    S. Asahi, H. Teranishi, K. Kusaki, T. Kaizu, and T. Kita
    Nature Communications 8, pp. 14962–1–9 (2017)
  14. 量子ドット超格子太陽電池における2段階光励起電流生成ダイナミクスの電界依存特性
    加田智之, 朝日重雄, 原田 幸弘, 喜多 隆
    材料 65, pp. 647–651 (2016)
  15. Photocarrier transport dynamics in InAs/GaAs quantum dot superlattice solar cells using time-of-flight spectroscopy
    T. Tanibuchi, T. Kada, S. Asahi, D. Watanabe, T. Kaizu, Y. Harada, and T. Kita
    Physical Review B 94, pp. 195313–1–9 (2016)
  16. Saturable two-step photocurrent generation in intermediate-band solar cells including InAs quantum dots embedded in Al0.3Ga0.7As/GaAs quantum wells
    S. Asahi, H. Teranishi, N. Kasamatsu, T. Kada, T. Kaizu, and T. Kita
    IEEE Journal of Photovoltaics 6, No. 2, pp. 465–472 (2016)
  17. Comparison of electron and hole mobilities in multiple-quantum-well solar cells using a time-of-flight technique
    K. Toprasertpong, N. Kasamatsu, H. Fujii, T. Kada, S. Asahi, K. Watanabe, M. Sugiyama, T. Kita, and Y. Nakano
    IEEE Journal of Photovoltaics 5, No. 6, pp. 1613–1620 (2015)
  18. InAs/GaAs/Al0.3Ga0.7As中間バンド型太陽電池における室温2段階光励起の飽和現象の解析
    朝日重雄, 寺西陽之, 笠松 直史, 加田 智之, 海津 利行, 喜多 隆
    材料 64, No. 9, pp. 690–695 (2015)
  19. Microscopic observation of carrier-transport dynamics in quantum-structure solar cells using a time-of-flight technique
    K. Toprasertpong, N. Kasamatsu, H. Fujii, T. Kada, S. Asahi, Y. Wang, K. Watanabe, M. Sugiyama, T. Kita, and Y. Nakano
    Applied Physics Letters 107, No. 4, pp. 043901–1–4 (2015)
  20. Two-step photon absorption in InAs/GaAs quantum-dot superlattice solar cells
    T. Kada, S. Asahi, T. Kaizu, Y. Harada, T. Kita, R. Tamaki, Y. Okada, and K. Miyano
    Physical Review B 91, No. 20, pp. 201303–1–6 (2015)
  21. Carrier time-of-flight measurement using a probe structure for direct evaluation of carrier transport in multiple quantum well solar cells
    K. Toprasertpong, N. Kasamatsu, H. Fujii, T. Kada, S. Asahi, Y. Wang, K. Watanabe, M. Sugiyama, T. Kita, and Y. Nakano
    IEEE Journal of Photovoltaics 4, No. 6, pp. 1518–1525 (2014)
  22. Suppression of thermal carrier escape and efficient photo-carrier generation by two-step photon absorption in InAs quantum dot intermediate-band solar cells using a dot-in-well structure
    S. Asahi, H. Teranishi, N. Kasamatsu, T. Kada, T. Kaizu, and T. Kita Journal of Applied Physics 116, No. 6, pp. 063510–1–5 (2014)

Conference proceedinds

  1. Two-step excitation induced photovoltaic properties in an InAs quantum dot-in-well intermediate-band solar cell
    Y. Zhu, S. Asahi, K. Watanabe, N. Miyashita, Y. Okada, and T. Kita
    Journal of Applied Physics 129, pp. 074503–1–12 (2021)