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THIN-FILM SOLAR CELL HAVING HETERO-JUNCTION OF SEMICONDUCTOR AND METHOD FOR FABRICATING THE SAME

  • US 20090194152A1
  • Filed: 02/04/2008
  • Published: 08/06/2009
  • Est. Priority Date: 02/04/2008
  • Status: Abandoned Application
First Claim
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1. A thin-film solar cell, comprising:

  • a substrate having a first surface;

    a multi-layered structure disposed on the first surface, wherein the multi-layered structure is made of different semiconductor materials selected from elements of the same group;

    a first electrode layer disposed on the multi-layered structure, wherein the first electrode layer is a ring shaped structure having a vacant space formed thereon;

    an insulation layer disposed on the vacant space; and

    a second electrode layer disposed on the insulation layer and insulated from the first electrode layer.

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