GaAs/InGaAsN heterostructures for multi-junction solar cells
- Autores: Nikitina E.1, Gudovskikh A.1,2, Lazarenko A.1, Pirogov E.1, Sobolev M.1, Zelentsov K.1, Morozov I.1, Egorov A.3
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Afiliações:
- St. Petersburg National Research Academic University, Russian Academy of Sciences
- St. Petersburg State Electrotechnical University LETI
- St. Petersburg National Research University of Information Technologies, Mechanics, and Optics ITMO
- Edição: Volume 50, Nº 5 (2016)
- Páginas: 652-655
- Seção: Physics of Semiconductor Devices
- URL: https://journals.rcsi.science/1063-7826/article/view/197113
- DOI: https://doi.org/10.1134/S106378261605016X
- ID: 197113
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Resumo
Solar-cell heterostructures based on GaAs/InGaAsN materials with an InAs/GaAsN superlattice, grown by molecular beam epitaxy, are studied. A p-GaAs/i-(InAs/GaAsN)/n-GaAs p–i–n test solar cell with a 0.9-μm-thick InGaAsN layer has an open-circuit voltage of 0.4 V (1 sun, AM1.5G) and a quantum efficiency of >0.75 at a wavelength of 940 nm (at zero reflection loss), which corresponds to a short-circuit current of 26.58 mA/cm2 (AM1.5G, 100 mW/cm2). The high open-circuit voltage demonstrates that InGaAsN can be used as a material with a band gap of 1 eV in four-cascade solar cells.
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Sobre autores
E. Nikitina
St. Petersburg National Research Academic University, Russian Academy of Sciences
Autor responsável pela correspondência
Email: nikitina@mail.ru
Rússia, St. Petersburg, 194021
A. Gudovskikh
St. Petersburg National Research Academic University, Russian Academy of Sciences; St. Petersburg State Electrotechnical University LETI
Email: nikitina@mail.ru
Rússia, St. Petersburg, 194021; St. Petersburg, 197376
A. Lazarenko
St. Petersburg National Research Academic University, Russian Academy of Sciences
Email: nikitina@mail.ru
Rússia, St. Petersburg, 194021
E. Pirogov
St. Petersburg National Research Academic University, Russian Academy of Sciences
Email: nikitina@mail.ru
Rússia, St. Petersburg, 194021
M. Sobolev
St. Petersburg National Research Academic University, Russian Academy of Sciences
Email: nikitina@mail.ru
Rússia, St. Petersburg, 194021
K. Zelentsov
St. Petersburg National Research Academic University, Russian Academy of Sciences
Email: nikitina@mail.ru
Rússia, St. Petersburg, 194021
I. Morozov
St. Petersburg National Research Academic University, Russian Academy of Sciences
Email: nikitina@mail.ru
Rússia, St. Petersburg, 194021
A. Egorov
St. Petersburg National Research University of Information Technologies, Mechanics, and Optics ITMO
Email: nikitina@mail.ru
Rússia, St. Petersburg, 197101