SURFACE-TEXTURED CONDUCTIVE GLASS FOR SOLAR CELLS, AND PREPARATION METHOD AND APPLICATION THEREOF
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Sep 2, 2012
filing date -
May 28, 2011
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Abandoned
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Abstract
Disclosed are surface-textured conductive glass for solar cells, and a preparation method and application thereof. In the surface-textured conductive glass for solar cells, a transparent conductive film is coated on a glass substrate, and the upper surface of the transparent conductive film is textured with nano/micro-scopic U-shaped pits uniformly distributed. The preparation method comprises: coating the transparent conductive film by magnetron sputtering, and then absorbing nano/micro-spheres onto the surface of the transparent conductive film as a mask by using an immersion coating method, followed by increasing the thickness of the transparent conductive film in gaps among the nano/micro-spheres by magnetron sputtering, and finally removing the nano/micro-spheres by using an ultrasonic vibration method to realize the large-scale and low-cost production of the conductive glass with nano/microscopic U-shaped surface texture. The conductive glass obtained by the method above has high repeatability, proper U-shaped texture feature size, high distribution uniformity, high production efficiency and low production cost, and thus is suitable for popularization and applications.
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