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Anisotropic emission and photon-recycling in strain-balanced quantum well solar cells

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Anisotropic emission and photon-recycling in strain-balanced quantum well solar cells

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dc.contributor.author Cabrera, C.I. es_ES
dc.contributor.author Rimada, J.C. es_ES
dc.contributor.author Hernandez, L. es_ES
dc.contributor.author Connolly, James Patrick es_ES
dc.contributor.author Enciso, A. es_ES
dc.contributor.author Contreras-Solorio, D. A. es_ES
dc.date.accessioned 2016-09-15T12:00:55Z
dc.date.available 2016-09-15T12:00:55Z
dc.date.issued 2014-04-28
dc.identifier.issn 0021-8979
dc.identifier.uri http://hdl.handle.net/10251/69797
dc.description.abstract Strain-balanced quantum well solar cells (SB-QWSCs) extend the photon absorption edge beyond that of bulk GaAs by incorporation of quantum wells in the i-region of a p i n device. Anisotropy arises from a splitting of the valence band due to compressive strain in the quantum wells, suppressing a transition which contributes to emission from the edge of the quantum wells. We have studied both the emission light polarized in the plane perpendicular (TM) to the quantum well which couples exclusively to the light hole transition and the emission polarized in the plane of the quantum wells (TE) which couples mainly to the heavy hole transition. It was found that the spontaneous emission rates TM and TE increase when the quantum wells are deeper. The addition of a distributed Bragg reflector can substantially increase the photocurrent while decreasing the radiative recombination current. We have examined the impact of the photon recycling effect on SB-QWSC performance. We have optimized SB-QWSC design to achieve single junction efficiencies above 30%. es_ES
dc.description.sponsorship The authors wish to thank the support of CONACYT and COZCYT through project Fomix ZAC-2011-C01-172470. en_EN
dc.language Inglés es_ES
dc.publisher AIP Publishing es_ES
dc.relation.ispartof Journal of Applied Physics es_ES
dc.rights Reserva de todos los derechos es_ES
dc.title Anisotropic emission and photon-recycling in strain-balanced quantum well solar cells es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1063/1.4873171
dc.relation.projectID info:eu-repo/grantAgreement/COZCYT//Fomix ZAC-2011-C01-172470/ es_ES
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario de Tecnología Nanofotónica - Institut Universitari de Tecnologia Nanofotònica es_ES
dc.description.bibliographicCitation Cabrera, C.; Rimada, J.; Hernandez, L.; Connolly, JP.; Enciso, A.; Contreras-Solorio, DA. (2014). Anisotropic emission and photon-recycling in strain-balanced quantum well solar cells. Journal of Applied Physics. 115(16):164502-1-164502-7. https://doi.org/10.1063/1.4873171 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1063/1.4873171 es_ES
dc.description.upvformatpinicio 164502-1 es_ES
dc.description.upvformatpfin 164502-7 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 115 es_ES
dc.description.issue 16 es_ES
dc.relation.senia 268084 es_ES
dc.contributor.funder Consejo Nacional de Ciencia y Tecnología, México
dc.contributor.funder Consejo Zacatecano de Ciencia, Tecnología e Innovación es_ES
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