Full‐Spectrum Absorption Enhancement in a‐Si:H Thin‐Film Solar Cell with a Composite Light‐Trapping Structure

Thin‐Film Solar Cells In article number 2000524, Yue Yang and co‐workers propose a composite light‐trapping structure with a double‐layer antireflection coating on the upper surface and Ag hemispheres on the substrate to achieve full‐spectrum absorption enhancement in a‐Si:H thin‐film solar cells. T...

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Bibliographic Details
Published in:Solar RRL 2021-03, Vol.5 (3), p.n/a
Main Authors: Li, Hongen, Hu, Yizhi, Wang, Hao, Tao, Qi, Zhu, Yonggang, Yang, Yue
Format: Article
Language:English
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Summary:Thin‐Film Solar Cells In article number 2000524, Yue Yang and co‐workers propose a composite light‐trapping structure with a double‐layer antireflection coating on the upper surface and Ag hemispheres on the substrate to achieve full‐spectrum absorption enhancement in a‐Si:H thin‐film solar cells. The short‐circuit current density and photoelectric conversion efficiency are improved by ∽40% compared to a 100‐nm‐thick bare cell and increasing the cell thickness to 400 nm could even approach the theoretical absorption limit.
ISSN:2367-198X
2367-198X
DOI:10.1002/solr.202170034