Dr. Naoya Miyashita Profile

Dr. Naoya Miyashita

at RCAST Univ of Tokyo

SPIE Involvement:

Author

Publications (9)

SPIE Journal Paper | 8 August 2022

Collection of photocarriers in intermediate band solar cells: experiments and equivalent circuit analysis

Nazmul Ahsan, Naoya Miyashita, Kin Man Yu, Wladek Walukiewicz, Yoshitaka Okada

JPE, Vol. 12, Issue 03, 032210, (August 2022) https://doi.org/10.1117/12.10.1117/1.JPE.12.032210

KEYWORDS: Solar cells, External quantum efficiency, Antimony, Nitrogen, Gallium, Diodes, Absorption, Gallium arsenide, Indium, Sun

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SPIE Journal Paper | 29 March 2022

Resonant absorption for multilayer quantum well and quantum dot solar cells

Maxime Giteau, Yusuke Oteki, Kento Kitahara, Naoya Miyashita, Ryo Tamaki, Yoshitaka Okada

JPE, Vol. 12, Issue 02, 022203, (March 2022) https://doi.org/10.1117/12.10.1117/1.JPE.12.022203

KEYWORDS: Absorption, Solar cells, Quantum wells, Quantum dots, Gallium arsenide, Resonance enhancement, Mirrors, Silver, Reflection, Indium arsenide

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Proceedings Article | 1 August 2021 Presentation

Optimizing the vertical position of quantum dots and wells to maximize light absorption

Maxime Giteau, Yusuke Oteki, Kento Kitahara, Naoya Miyashita, Ryo Tamaki, Yoshitaka Okada

Proceedings Volume 11824, 1182406 (2021) https://doi.org/10.1117/12.2593862

KEYWORDS: Absorption, Quantum dots, Solar cells, Quantum wells, Nanostructures, Photovoltaics, Nanolithography, Indium arsenide, Gallium arsenide, Fabry–Perot interferometers

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Proceedings Article | 3 March 2020 Paper

Fabrication and optical characterization of ultrathin III-V transferred heterostructures for hot-carrier absorbers

Maxime Giteau, Kentaroh Watanabe, Naoya Miyashita, Hassanet Sodabanlu, Fabien Atlan, Daniel Suchet, Stéphane Collin, Jean-François Guillemoles, Yoshitaka Okada

Proceedings Volume 11275, 1127507 (2020) https://doi.org/10.1117/12.2544537

KEYWORDS: Gold, Gallium arsenide, Absorption, Etching, Mirrors, Photons, Ellipsometry, Electrons, Solar cells, Silicon

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Proceedings Article | 27 February 2019 Paper

Light absorption enhancement in ultra-thin layers for hot-carrier solar cells: first developments towards the experimental demonstration of an enhanced hot-carrier effect with light trapping

Maxime Giteau, Kentaroh Watanabe, Naoya Miyashita, Hassanet Sodabanlu, Julie Goffard, Amaury Delamarre, Daniel Suchet, Ryo Tamaki, Zacharie Jehl, Laurent Lombez, Masakazu Sugiyama, Andrea Cattoni, Stéphane Collin, Jean-François Guillemoles, Yoshitaka Okada

Proceedings Volume 10913, 109130D (2019) https://doi.org/10.1117/12.2505908

KEYWORDS: Gallium arsenide, Epitaxial lateral overgrowth, Solar cells, Absorption, Etching, Mirrors, Luminescence, Electrons

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Proceedings Article | 16 February 2018 Presentation + Paper

Characterization of InGaAs/GaAsN multiple quantum well with flat conduction band for improving carrier transport in multijuction solar cell

W. Yanwachirakul, N. Miyashita, H. Sodabanlu, K. Watanabe, Y. Okada, M. Sugiyama, Y. Nakano

Proceedings Volume 10527, 105270E (2018) https://doi.org/10.1117/12.2296574

KEYWORDS: Indium gallium arsenide, Gallium arsenide, Solar cells, Quantum wells, Germanium, Electron transport, Luminescence, Time resolved spectroscopy

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SPIE Journal Paper | 22 June 2017 Open Access

Effect of Si doping and sunlight concentration on the performance of InAs/GaAs quantum dot solar cells

Shunya Naito, Katsuhisa Yoshida, Naoya Miyashita, Ryo Tamaki, Takuya Hoshii, Yoshitaka Okada

JPE, Vol. 7, Issue 02, 025505, (June 2017) https://doi.org/10.1117/12.10.1117/1.JPE.7.025505

KEYWORDS: Doping, Silicon, Solar cells, Quantum dots, Modulation

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Proceedings Article | 29 March 2017 Presentation + Paper

Multiband modification of III-V dilute nitrides for IBSC application

Nazmul Ahsan, Naoya Miyashita, Kin Man Yu, Wladek Walukiewicz, Yoshitaka Okada

Proceedings Volume 10099, 100990I (2017) https://doi.org/10.1117/12.2250700

KEYWORDS: Solar cells, Molecular beam epitaxy, Absorption, Photovoltaics, Group III-V semiconductors, Semiconductors, Infrared radiation, Gallium arsenide, Antimony, Thin films, Indium, Gallium, Solids, Reflectance spectroscopy, Chemical species

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Proceedings Article | 24 February 2017 Presentation + Paper

Modeling and characterization of double resonant tunneling diodes for application as energy selective contacts in hot carrier solar cells

Zacharie Jehl, Daniel Suchet, Anatole Julian, Cyril Bernard, Naoya Miyashita, Francois Gibelli, Yoshitaka Okada, Jean-Francois Guillemolles

Proceedings Volume 10099, 100990N (2017) https://doi.org/10.1117/12.2250473

KEYWORDS: Solar energy, Solar cells, Molecular beam epitaxy, Diodes, Resistance, Nanostructuring, Resonance energy transfer, Heterojunctions, Temperature metrology, Gallium, Solids, Gallium arsenide

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Showing 5 of 9 publications

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