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Heterojunction Band Offset Limitations on Open-Circuit Voltage in p-ZnTe/n-ZnSe Solar Cells
Citation
Teran, A. and Chen, C. and López, E. and Linares, P.G. and Artacho Huertas, Irene and Martí Vega, Antonio and Luque López, Antonio and Phillips, J.D. (2015). Heterojunction Band Offset Limitations on Open-Circuit Voltage in p-ZnTe/n-ZnSe Solar Cells. "IEEE Journal of Photovoltaics", v. 5 (n. 3); pp. 874-877. ISSN 2156-3381. https://doi.org/10.1109/JPHOTOV.2015.2411057.
Description
| Title: | Heterojunction Band Offset Limitations on Open-Circuit Voltage in p-ZnTe/n-ZnSe Solar Cells |
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| Author/s: |
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| Item Type: | Article |
| Título de Revista/Publicación: | IEEE Journal of Photovoltaics |
| Date: | 2015 |
| Volume: | 5 |
| Subjects: | |
| Freetext Keywords: | Heterojunction solar cell, open-circuit voltage, zinc selenide (ZnSe), zinc telluride (ZnTe) |
| Faculty: | E.T.S.I. Telecomunicación (UPM) |
| Department: | Electrónica Física |
| Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
Abstract
Limitations on the open-circuit voltage of p-ZnTe/n-ZnSe heterojunction solar cells are studied via current-voltage (I-V) measurements under solar concentration and at variable temperature. The open-circuit voltage reaches a maximum value of 1.95 V at 77 K and 199 suns. The open-circuit voltage shows good agreement with the calculated built-in potential of 2.00 V at 77 K. These results suggest that the open-circuit voltage is limited by heterojunction band offsets associated with the type-II heterojunction band lineup, rather than the bandgap energy of the ZnTe absorber material.
More information
| Item ID: | 41020 |
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| DC Identifier: | http://oa.upm.es/41020/ |
| OAI Identifier: | oai:oa.upm.es:41020 |
| DOI: | 10.1109/JPHOTOV.2015.2411057 |
| Official URL: | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7066904 |
| Deposited by: | Memoria Investigacion |
| Deposited on: | 14 Jun 2016 18:12 |
| Last Modified: | 14 Jun 2016 18:12 |
