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Dependence of multijunction optimal gaps on spectral variability and other environmental and device parameters

AuthorsRipalda, José María CSIC ORCID ; Buencuerpo, Jerónimo CSIC ORCID; García, Iván
KeywordsYearly energy yield
Hybrid tandems
Issue Date17-Jun-2019
Citation46th IEEE Photovoltaic Specialist Conference (2019)
AbstractWe present a method to calculate the yearly energy production of multijunctions including spectral variations. We use it to find the optimal band gaps yielding maximum energy production. The band gaps found are different to those previously reported when using the standard efficiency as the optimization target. Our calculations predict that novel hybrid tandems in combination with bifacial silicon can lead to energy yields near 1 MWh m -2 year -1 at most locations of interest. We also discuss the effects of changing parameters such as the external radiative efficiency, series resistance, sub-cell thickness, temperatures, and location.
DescriptionTrabajo presentado en la 46th IEEE Photovoltaic Specialist Conference (PVSC), celebrada en Chicago, Illinois (Estados Unidos), del 16 al 21 de junio de 2019
Appears in Collections:(IMN-CNM) Comunicaciones congresos
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