Two-step photon up-conversion solar cells S Asahi, H Teranishi, K Kusaki, T Kaizu, T Kita
Nature communications 8 (1), 14962, 2017
120 2017 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, K Miyano
Physical Review B 91 (20), 201303, 2015
49 2015 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 … S Asahi, H Teranishi, N Kasamatsu, T Kada, T Kaizu, T Kita
Journal of Applied Physics 116 (6), 2014
37 2014 Saturable Two-Step Photocurrent Generation in Intermediate-Band Solar Cells Including InAs Quantum Dots Embedded in Al S Asahi, H Teranishi, N Kasamatsu, T Kada, T Kaizu, T Kita
IEEE Journal of Photovoltaics 6 (2), 465-472, 2015
35 2015 Energy conversion efficiency of solar cells T Kita, Y Harada, S Asahi
Springer, 2019
34 2019 Infrared photodetector sensitized by InAs quantum dots embedded near an Al0.3 Ga0.7 As/GaAs heterointerface T Murata, S Asahi, S Sanguinetti, T Kita
Scientific Reports 10 (1), 11628, 2020
29 2020 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, ...
IEEE Journal of Photovoltaics 4 (6), 1518-1525, 2014
24 2014 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, T Kita
Scientific Reports 7 (1), 5865, 2017
22 2017 Increasing conversion efficiency of two-step photon up-conversion solar cell with a voltage booster hetero-interface S Asahi, K Kusaki, Y Harada, T Kita
Scientific Reports 8 (1), 872, 2018
21 2018 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, ...
Applied Physics Letters 107 (4), 2015
21 2015 Hot-carrier generation and extraction in InAs/GaAs quantum dot superlattice solar cells Y Harada, N Iwata, S Asahi, T Kita
Semiconductor Science and Technology 34 (9), 094003, 2019
18 2019 Adiabatic two-step photoexcitation effects in intermediate-band solar cells with quantum dot-in-well structure S Asahi, T Kaizu, T Kita
Scientific reports 9 (1), 7859, 2019
17 2019 Two-step photocurrent generation enhanced by miniband formation in InAs/GaAs quantum dot superlattice intermediate-band solar cells S Watanabe, S Asahi, T Kada, K Hirao, T Kaizu, Y Harada, T Kita
Applied Physics Letters 110 (19), 2017
17 2017 Comparison of electron and hole mobilities in multiple-quantum-well solar cells using a time-of-flight technique K Toprasertpong, T Tanibuchi, H Fujii, T Kada, S Asahi, K Watanabe, ...
IEEE Journal of Photovoltaics 5 (6), 1613-1620, 2015
16 2015 Reciprocal relation between intraband Carrier Generation and Interband recombination at the Heterointerface of two-step photon up-conversion solar cells N Kinugawa, S Asahi, T Kita
Physical Review Applied 14 (1), 014010, 2020
11 2020 Voltage boost effects in two-step photon upconversion solar cells with a modulation-doped structure K Watanabe, S Asahi, Y Zhu, T Kita
Journal of Applied Physics 130 (8), 2021
9 2021 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, T Kita
Journal of Applied Physics 129 (7), 2021
9 2021 Reply to:“Thermal artefacts in two-photon solar cell experiments” S Asahi, T Kita
Nature Communications 10 (1), 956, 2019
9 2019 Fundamentals of semiconductors T Kita, Y Harada, S Asahi, T Kita, Y Harada, S Asahi
Energy Conversion Efficiency of Solar Cells, 157-202, 2019
9 2019 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, T Kita
Physical Review B 94 (19), 195313, 2016
8 2016 