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Descripción
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| The emission of light from each junction in a series connected multijunction solar cell both complicates and elucidates the understanding of its performance under arbitrary conditions. Bringing together many recent advances in this understanding, we present a general 1-D model to describe luminescent coupling that arises from both voltage-driven lectroluminescence and voltage-independent photoluminescence in nonideal junctions that include effects such as Sah?Noyce?Shockley (SNS) recombination with n 2, Auger recombination, shunt resistance, reverse-bias breakdown, series resistance, and significant dark area losses. The individual junction voltages and currents are experimentally determined from measured optical and electrical inputs and outputs of the device within the context of the model to fit parameters that describe the devices performance under arbitrary input conditions. Techniques to experimentally fit the model are demonstrated for a four-junction inverted metamorphic solar cell, and the predictions of the model are compared with concentrator flash measurements. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Ieee Journal of Photovoltaics |
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ISSN
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2156-3381 |
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Factor de impacto JCR
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3 |
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Información de impacto
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Volumen
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5 |
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DOI
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r 10.1109/JPHOTOV.2015.2478072 |
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Número de revista
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6 |
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