Method to texture a lamina surface within a photovoltaic cell
It is advantageous to create texture at the surface of a photovoltaic cell to reduce reflection and increase travel length of light within the cell. A method is disclosed to create texture at the surface of a silicon body by reacting a silicide-forming metal at the surface, where the silicide-silico...
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| creator | HERNER S. BRAD |
| description | It is advantageous to create texture at the surface of a photovoltaic cell to reduce reflection and increase travel length of light within the cell. A method is disclosed to create texture at the surface of a silicon body by reacting a silicide-forming metal at the surface, where the silicide-silicon interface is non-planar, then stripping the silicide, leaving behind a textured surface. Depending on the metal and the conditions of silicide formation, the resulting surface may be faceted. The peak-to-valley height of this texturing will generally be between about 300 and about 5000 angstroms, which is well-suited for use in photovoltaic cells comprising a thin silicon lamina. |
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| subjects | BASIC ELECTRIC ELEMENTS CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SEMICONDUCTOR DEVICES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | Method to texture a lamina surface within a photovoltaic cell |
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