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Arrays of ultrathin silicon solar microcells

  • US 8,679,888 B2
  • Filed: 09/24/2009
  • Issued: 03/25/2014
  • Est. Priority Date: 09/24/2008
  • Status: Active Grant
First Claim
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1. A method of making a solar cell, said method comprising the steps of:

  • providing a solar cell substrate having a receiving surface; and

    assembling a printable semiconductor element on said receiving surface of said substrate via contact printing;

    wherein said printable semiconductor element comprises a semiconductor structure having a thickness that is less than or equal to 100 μ

    m, and said semiconductor structure comprises low grade Si having a metallic purity level that is less than 99.999999%.

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