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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 7 — Mar. 26, 2012
  • pp: 7445–7453

Porous SiO2/MgF2 broadband antireflection coatings for superstrate-type silicon-based tandem cells

Na-Fu Wang, Ting-Wei Kuo, Yu-Zen Tsai, Shi-Xiong Lin, Pin-Kun Hung, Chiung-Lin Lin, and Mau-Phon Houng  »View Author Affiliations


Optics Express, Vol. 20, Issue 7, pp. 7445-7453 (2012)
http://dx.doi.org/10.1364/OE.20.007445


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Abstract

The purpose of this study is to reduce the glass substrate reflectivity over a wide spectral range (400-1200nm) 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 (400-1200nm) without having high reflectivity at near-infrared wavelengths.

© 2012 OSA

OCIS Codes
(310.1210) Thin films : Antireflection coatings
(350.6050) Other areas of optics : Solar energy
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Thin Films

History
Original Manuscript: December 23, 2011
Revised Manuscript: February 29, 2012
Manuscript Accepted: March 6, 2012
Published: March 19, 2012

Citation
Na-Fu Wang, Ting-Wei Kuo, Yu-Zen Tsai, Shi-Xiong Lin, Pin-Kun Hung, Chiung-Lin Lin, and Mau-Phon Houng, "Porous SiO2/MgF2 broadband antireflection coatings for superstrate-type silicon-based tandem cells," Opt. Express 20, 7445-7453 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-7-7445


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