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Energy Express

Energy Express

  • Editor: Christian Seassal
  • Vol. 21, Iss. S3 — May. 6, 2013
  • pp: A528–A538

Automated spray coating process for the fabrication of large-area artificial opals on textured substrates

Alexander N. Sprafke, Daniela Schneevoigt, Sophie Seidel, Stefan L. Schweizer, and Ralf B. Wehrspohn  »View Author Affiliations


Optics Express, Vol. 21, Issue S3, pp. A528-A538 (2013)
http://dx.doi.org/10.1364/OE.21.00A528


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Abstract

3D photonic crystals, such as opals, have been shown to have a high potential to increase the efficiency of solar cells by enabling advanced light management concepts. However, methods which comply with the demands of the photovoltaic industry for integration of these structures, i. e. the fabrication in a low-cost, fast, and large-scale manner, are missing up to now. In this work, we present the spray coating of a colloidal suspension on textured substrates and subsequent drying. We fabricated opaline films of much larger lateral dimensions and in much shorter times than what is possible using conventional opal fabrication methods.

© 2013 OSA

OCIS Codes
(310.1860) Thin films : Deposition and fabrication
(050.5298) Diffraction and gratings : Photonic crystals
(160.5298) Materials : Photonic crystals
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Light Trapping in Solar Cells

History
Original Manuscript: January 22, 2013
Revised Manuscript: March 25, 2013
Manuscript Accepted: April 2, 2013
Published: April 22, 2013

Virtual Issues
Renewable Energy and the Environment (2013) Optics Express

Citation
Alexander N. Sprafke, Daniela Schneevoigt, Sophie Seidel, Stefan L. Schweizer, and Ralf B. Wehrspohn, "Automated spray coating process for the fabrication of large-area artificial opals on textured substrates," Opt. Express 21, A528-A538 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-S3-A528


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