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Front electrode having etched surface for use in photovoltaic device and method of making same

  • US 20090194155A1
  • Filed: 02/01/2008
  • Published: 08/06/2009
  • Est. Priority Date: 02/01/2008
  • Status: Abandoned Application
First Claim
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1. A photovoltaic device comprising:

  • a front glass substrate;

    a front electrode provided between the front glass substrate and a semiconductor film of the photovoltaic device, wherein the front electrode comprises a silver-based conductive layer and a transparent conductive oxide (TCO) layer, the TCO layer being provided between the silver-based layer and the semiconductor film of the photovoltaic device;

    wherein a major surface of the TCO layer closest to the semiconductor film is etched so as to be textured; and

    wherein the TCO layer is graded with respect to density so that a first portion of the TCO layer closer to the silver-based layer has a higher density than does a second portion of the TCO layer farther from the silver-based layer.

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