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Title: Method of making photovoltaic cell

A photovoltaic solar cell comprises a nano-patterned substrate layer. A plurality of nano-windows are etched into an intermediate substrate layer to form the nano-patterned substrate layer. The nano-patterned substrate layer is positioned between an n-type semiconductor layer composed of an n-type semiconductor material and a p-type semiconductor layer composed of a p-type semiconductor material. Semiconductor material accumulates in the plurality of nano-windows, causing a plurality of heterojunctions to form between the n-type semiconductor layer and the p-type semiconductor layer.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1364427
Assignee:
National Technology & Engineering Solutions of Sandia, LLC SNL-A
Patent Number(s):
9,685,580
Application Number:
15/265,374
Contract Number:
AC04-94AL85000
Resource Relation:
Patent File Date: 2016 Sep 14
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY

Works referenced in this record:

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  • DOI: 10.1002/pip.657

Two- and three-dimensional folding of thin film single-crystalline silicon for photovoltaic power applications
journal, November 2009
  • Guo, X.; Li, H.; Yeop Ahn, B.
  • Proceedings of the National Academy of Sciences, Vol. 106, Issue 48, p. 20149-20154
  • DOI: 10.1073/pnas.0907390106