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Inx(GayAl1-y)1-xAs quaternary alloys for quantum dot intermediate band solar cells
Citation
García-Linares Fontes, Pablo and Farmer, C.D. and Antolín Fernández, Elisa and Chakrabarti, S. and Sanchez, A.M. and Ben, T. and Molina Rubio, Sergio Ignacio and Stanley, Colin and Martí Vega, Antonio and Luque López, Antonio (2010). Inx(GayAl1-y)1-xAs quaternary alloys for quantum dot intermediate band solar cells. In: "The E-MRS 2009 Spring Meeting, Symposium B", 08/06/2009 - 12/06/2009, Strasbourg, Francia.
Description
| Title: | Inx(GayAl1-y)1-xAs quaternary alloys for quantum dot intermediate band solar cells |
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| Author/s: |
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| Item Type: | Presentation at Congress or Conference (Unspecified) |
| Event Title: | The E-MRS 2009 Spring Meeting, Symposium B |
| Event Dates: | 08/06/2009 - 12/06/2009 |
| Event Location: | Strasbourg, Francia |
| Title of Book: | Energy Procedia - Proceedings of Inorganic and Nanostructured Photovoltaics (E-MRS 2009 Symposium B) |
| Date: | January 2010 |
| Volume: | 2 |
| Subjects: | |
| Freetext Keywords: | Solar cell; Intermediate band; Quantum dots; III-V quaternary materials; Band alignment |
| Faculty: | E.T.S.I. Telecomunicación (UPM) |
| Department: | Electrónica Física |
| Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
Abstract
Within the context of quantum dot Intermediate Band Solar Cells (QD-IBSC), it is of interest to investigate the maximum value that can be achieved for the smaller of the transitions (EL), since values larger than 0.3 eV are required for improved performance. This work provides both theoretical and experimental arguments to verify the shift of the IB position to deeper energies by using an Inx(GayAl1−y)1−xAs capping layer, fulfilling the double function of increasing the QD size and eliminating the discontinuity in the conduction band between the quaternary cap and the GaAs barrier.
More information
| Item ID: | 8720 |
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| DC Identifier: | https://oa.upm.es/8720/ |
| OAI Identifier: | oai:oa.upm.es:8720 |
| Official URL: | http://www.sciencedirect.com/science/article/pii/S1876610210000202 |
| Deposited by: | Memoria Investigacion |
| Deposited on: | 05 Oct 2011 09:21 |
| Last Modified: | 20 Apr 2016 17:24 |
