physica status solidi (a)

Cover image for Vol. 213 Issue 9

Editor: Stefan Hildebrandt (Editor-in-Chief), Sabine Bahrs (Deputy Editor)

Online ISSN: 1862-6319

Associated Title(s): physica status solidi (b), physica status solidi (c), physica status solidi (RRL) - Rapid Research Letters

210_02b/2013Back Cover: Solar cell efficiency enhancement via light trapping in printable resonant dielectric nanosphere arrays (Phys. Status Solidi A 2/2013)

Resonant dielectric structures are a promising platform for addressing the key challenge of light trapping in thin-film solar cells. Grandidier et al. (pp. 255–260) experimentally and theoretically demonstrate efficiency enhancements in solar cells from dielectric nanosphere arrays. Two distinct amorphous silicon photovoltaic architectures were improved using this versatile light-trapping platform. In one structure, the colloidal monolayer couples light into the absorber in the near-field acting as a photonic crystal light-trapping element. In the other, it acts in the far-field as a graded index antireflection coating to further improve a cell which already included a state-of-the-art random light-trapping texture to achieve a conversion efficiency over 11%.

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