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Levina, S A; Filimonov, E D; Malevskaya, A V; Shvarts, M Z
Journal of physics. Conference series, 03/2019, Letnik: 1199, Številka: 1Journal Article
The work is aimed at the study of multijunction solar cells with built-in Bragg reflectors. The possibility to use the photon structure for "locking" the secondary recombination radiation, which causes luminescent coupling between individual photoactive p-n junctions in a solar cell, is investigated. Temperature studies were carried out on the reflection spectra of a Bragg reflector, the electroluminescence spectrum of a middle wide bandgap subcell, and the spectra of the external quantum efficiency of a multijunction solar cell.
