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A numerical study into the influence of quantum dot size on the sub-bandgap interband photocurrent in intermediate band solar cells
Citation
Mellor Null, Alexander Virgil and Luque López, Antonio and Tobías Galicia, Ignacio and Martí Vega, Antonio (2013). A numerical study into the influence of quantum dot size on the sub-bandgap interband photocurrent in intermediate band solar cells. "AIP advances", v. 3 (n. 2); pp.. ISSN 2158-3226. https://doi.org/10.1063/1.4792598.
Description
| Title: | A numerical study into the influence of quantum dot size on the sub-bandgap interband photocurrent in intermediate band solar cells |
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| Author/s: |
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| Item Type: | Article |
| Título de Revista/Publicación: | AIP advances |
| Date: | February 2013 |
| ISSN: | 2158-3226 |
| Volume: | 3 |
| Subjects: | |
| Faculty: | Instituto de Energía Solar (IES) (UPM) |
| Department: | Otro |
| Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
Abstract
A numerical study is presented of the sub-bandgap interband photon absorption in quantum dot intermediate band solar cells. Absorption coefficients and photocurrent densities are calculated for the valence band to intermediate band transitions using a four-band k · p method. It is found that reducing the quantum dot width in the plane perpendicular to the growth direction increases the photocurrent from the valence band to the intermediate-band ground state if the fractional surface coverage of quantum dots is conserved. This provides a path to increase the sub-bandgap photocurrent in intermediate band solar cells.
More information
| Item ID: | 21304 |
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| DC Identifier: | https://oa.upm.es/21304/ |
| OAI Identifier: | oai:oa.upm.es:21304 |
| DOI: | 10.1063/1.4792598 |
| Deposited by: | Memoria Investigacion |
| Deposited on: | 23 Oct 2013 16:53 |
| Last Modified: | 21 Apr 2016 11:28 |
