METHOD FOR THE PRODUCTION OF SILICON SUITABLE FOR SOLAR PURPOSES

摘要

An exemplary method of production of solar grade silicon is disclosed. The method comprises melting the silicon and directionally solidifying the melt. The method additionally comprises forming a crystallization front during the directional solidification, the front having the shape of at least a section of a spherical surface. Also disclosed are a silicon wafer and a solar cell in accordance with an exemplary embodiment of the present invention.