Optimization of optical absorption in thin layers of amorphous silicon enhanced by silver nanospheres

preprint2015arXivOpen access

Abstract

We study a highly controllable perfect plasmonic absorber -- a thin metamaterial layer which possess balanced electric and magnetic responses in some frequency range. We show that this regime is compatible with both metal-backed variant of the structure or its semitransparent variant. This regime can be implemented in a prospective thin-film photovoltaic cell with negligible parasitic losses.

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