Porous SiO_2/MgF_2 broadband antireflection coatings for superstrate-type silicon-based tandem cells | Zendy

Na-Fu Wang | Zendy; Ting-Wei Kuo | Zendy; Yu-Zen Tsai | Zendy; Shi-Xiong Lin | Zendy; Pin-Kun Hung | Zendy; Chiung-Lin Lin | Zendy; Mau-Phon Houng | Zendy

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Porous SiO_2/MgF_2 broadband antireflection coatings for superstrate-type silicon-based tandem cells

Author(s) -

Na-Fu Wang,

Ting-Wei Kuo,

Yu-Zen Tsai,

Shi-Xiong Lin,

Pin-Kun Hung,

Chiung-Lin Lin,

Mau-Phon Houng

Publication year - 2012

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.007445

Subject(s) - materials science , silicon , tandem , porous silicon , thin film , optoelectronics , substrate (aquarium) , optics , layer (electronics) , infrared , nanotechnology , composite material , oceanography , physics , geology

The purpose of this study is to reduce the glass substrate reflectivity over a wide spectral range (400-1200 nm) without having high reflectivity in the near-infrared region. After making porous SiO₂/MgF₂ double-layer antireflection (DLAR) thin film structure, the superstrate-type silicon-based tandem cells are added. In comparison to having only silicon-based tandem solar cells, the short-circuit current density has improved by 6.82% when porous SiO₂/MgF₂ DLAR thin film is applied to silicon-based tandem solar cells. This study has demonstrated that porous SiO₂/MgF₂ DLAR thin film structure provides antireflection properties over a broad spectral range (400-1200 nm) without having high reflectivity at near-infrared wavelengths.

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