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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 15 — Jul. 18, 2011
  • pp: 14411–14419

Biomimetic nanostructured antireflection coating and its application on crystalline silicon solar cells

J.Y. Chen, W.-L. Chang, C.K. Huang, and K.W. Sun  »View Author Affiliations

Optics Express, Vol. 19, Issue 15, pp. 14411-14419 (2011)

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In this report, we demonstrate the implementation of biomimetic nanostructured antireflection coatings with polymethyl methacrylate (PMMA) layer on the micro-textured surface of silicon crystalline solar cells. To reduce cost, the process combines colloidal lithography, cast molding method, and reversal nanoimprint lithography. The technique is simple, low cost, and does not cause damage to the thin and brittle conventional crystalline solar cells. The antireflection properties of this biomimetic nanostructure coating are considered as effective as those of a conventional single-layer SiNx thin film. The resultant structures alone could reduce the average reflectance of solar cell from 13.2% to 7.8% and enhance power conversion efficiency from 12.85% to 14.2%.

© 2011 OSA

OCIS Codes
(040.5350) Detectors : Photovoltaic
(310.1210) Thin films : Antireflection coatings
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Thin Films

Original Manuscript: May 23, 2011
Revised Manuscript: June 26, 2011
Manuscript Accepted: June 30, 2011
Published: July 12, 2011

J.Y. Chen, W.-L. Chang, C.K. Huang, and K.W. Sun, "Biomimetic nanostructured antireflection coating and its application on crystalline silicon solar cells," Opt. Express 19, 14411-14419 (2011)

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