ANTIREFLECTIVE COATING ON SOLAR CELLS AND METHOD FOR THE PRODUCTION OF SUCH AN ANTIREFLECTIVE COATING
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United States of America Patent
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Issued Date -
Mar 19, 2009
app pub date -
Nov 2, 2006
filing date -
Nov 2, 2005
priority date (Note) -
Abandoned
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Abstract
Disclosed is an antireflective coating on solar cells made of crystalline silicon as well as a method for producing such an antireflective coating. The aim is to create an antireflective coating on solar cells made of crystalline silicon which makes it possible to optimize the optical and passivating properties thereof while making it possible to easily and economically integrate the production thereof into the production process especially of very thin crystalline silicon solar cells. The antireflective coating is composed of successive partial layers, i.e., a lower partial layer which covers the crystalline silicon, is embodied as an antireflective coating and as passivation with a particularly great hydrogen concentration, and is covered by an upper partial layer having an increased barrier effect against hydrogen diffusion.
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