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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 2, Iss. 2 — Feb. 1, 2012
  • pp: 173–182

Broadband quasi-omnidirectional antireflection AlGaInP window for III-V multi-junction solar cells through thermally dewetted Au nanotemplate

R. Y. Zhang, B. Shao, J. R. Dong, K. Huang, Y. M. Zhao, S. Z. Yu, and H. Yang  »View Author Affiliations

Optical Materials Express, Vol. 2, Issue 2, pp. 173-182 (2012)

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Al(Ga)InP subwavelength structures (SWS) were fabricated and optimized through thermally dewetted Au nanotemplate and ICP pattern-transfer. When λ< 900 nm, most AlGaInP nanostructures exhibit the reflectivity of less than 2% and insensitive to the incident angle up to 45°. When λ extends to 1800 nm, the reflectivity of less than 5% over 0°-45° is achieved in the optimized nanostructure, which benefits III-V multi-junction solar cells to improve their efficiency. Moreover, not only is such cost-effective nano-fabrication process completely compatible with the other processing of III-V solar cells, but their defined disordered SWS benefit the antireflection performance over broadband and wide view according to the comparison between the measurement and simulation results from AlGaInP SWS.

© 2012 OSA

OCIS Codes
(040.5350) Detectors : Photovoltaic
(220.4241) Optical design and fabrication : Nanostructure fabrication
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:

Original Manuscript: November 14, 2011
Revised Manuscript: January 1, 2012
Manuscript Accepted: January 9, 2012
Published: January 12, 2012

R. Y. Zhang, B. Shao, J. R. Dong, K. Huang, Y. M. Zhao, S. Z. Yu, and H. Yang, "Broadband quasi-omnidirectional antireflection AlGaInP window for III-V multi-junction solar cells through thermally dewetted Au nanotemplate," Opt. Mater. Express 2, 173-182 (2012)

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