Solar cell and method for fabricating the same

Solar cell and method for fabricating the same

  • CN 102,479,825 B
  • Filed: 12/27/2010
  • Issued: 05/13/2015
  • Est. Priority Date: 11/30/2010
  • Status: Active Grant
First Claim
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1. a solar cell, is characterized in that, comprising:

  • One silicon substrate, one first surface of this silicon substrate presents a pyramid structure, and the top of this pyramid structure presents arc-shaped, the crest line place of this pyramid structure forms bull nose, and the radius of curvature on the top of this pyramid structure is less than the radius of curvature of the bottom of this pyramid structure;

    AndOne first semiconductor layer, is arranged on this first surface of this silicon substrate, and wherein the conductivity of this first semiconductor layer is contrary with this silicon substrate, and wherein, the radius of curvature of the crest line place bull nose of this pyramid structure is 0.01 μ

    m -1to 1 μ

    m -1.

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