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Title: High throughput parallel backside contacting and periodic texturing for high-efficiency solar cells

Disclosed are configurations of long-range ordered features of solar cell materials, and methods for forming same. Some features include electrical access openings through a backing layer to a photovoltaic material in the solar cell. Some features include textured features disposed adjacent a surface of a solar cell material. Typically the long-range ordered features are formed by ablating the solar cell material with a laser interference pattern from at least two laser beams.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1150706
Assignee:
UT-Battelle, LLC (Oak Ridge, TN) ORNL
Patent Number(s):
8,809,110
Application Number:
12/981,899
Contract Number:
AC05-00OR22725
Research Org:
ORNL (Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States))
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY

Other works cited in this record:

Method of making an enhanced optical absorption and radiation tolerance in thin-film solar cells and photodetectors
patent, September 2006

Bio-mimetic scaling of mechanical behavior of thin films, coatings, and surfaces by Laser Interference Metallurgy
journal, September 2005
  • Daniel, C.; John Balk, T.; Wübben, T.
  • Advanced Engineering Materials, Vol. 7, Issue 9, p. 823-826
  • DOI: 10.1002/adem.200500110

Phase-Modulated Hierarchical Surface Structures by Interfering Laser Beams
journal, October 2006
  • Daniel, C.; Dahotre, N. B.
  • Advanced Engineering Materials, Vol. 8, Issue 10, p. 925-932
  • DOI: 10.1002/adem.200600099

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