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During the last decade the idea of light-trapping in thin-film solar cells (TFSCs) was compromised by an amount of works which have not resulted in something practical. In this paper we review the basic features of light-trapping structures (LTSs). Since the idea of light trapping due to some resonances and the needed very broad band of this effect contradict one another, we suggest to develop non-resonant...
Previously, we have revealed an efficient light trapping performed by arrays of cross-like substantially thick metal nanoantennas. This light trapping implied a broad spectrum of solar light concentrated in a subwavelength depth of the semiconductor substrate. In this review paper, we show that our arrays support so-called leaky domino-modes, responsible for the broadband resonant absorption in the...
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