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Vivid-colored silicon solar panels with high efficiency and non-iridescent appearance

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Abstract

We present a novel approach towards fabricating bright-colored solar cells with excellent angular insensitivity while preserving high efficiency by topping a crystalline silicon solar panel with a trans-reflective color filtering device. The 5-layered filter exhibits a distinctive narrowband reflection, producing vivid colors (∼60% peak reflection) with an angle-invariant appearance up to ±60°. Simultaneously, it transmits the remaining broadband light spanning the whole solar spectrum onto the silicon solar panel underneath, leading to an overall high power conversion efficiency of decorative solar cells. This facile method with few layers can be used to decorate other types of solar panels for better building integration and simultaneously protect the active devices from environmental degradation. In addition, it can be easily replaced when the colored structures are damaged or a different color is desired, thus holding great potential for future building-integrated photovoltaics and automotive applications.

Graphical abstract: Vivid-colored silicon solar panels with high efficiency and non-iridescent appearance

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Publication details

The article was received on 17 Oct 2018, accepted on 27 Feb 2019 and first published on 04 Mar 2019


Article type: Communication
DOI: 10.1039/C8NH00368H
Nanoscale Horiz., 2019, Advance Article

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    Vivid-colored silicon solar panels with high efficiency and non-iridescent appearance

    C. Ji, Z. Zhang, T. Masuda, Y. Kudo and L. J. Guo, Nanoscale Horiz., 2019, Advance Article , DOI: 10.1039/C8NH00368H

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