Method for producing silicon wafers, and silicon solar cell

A method for producing silicon wafers, comprising the steps of:

• providing a silicon monocrystalline seed in the bottom area of a crucible, the silicon monocrystalline seed having a seed surface with a {110}-crystal orientation perpendicular to the bottom area of the crucible and an edge surface with a {100}-crystal orientation parallel to a side face of the crucible;
• surface-melting ultra-pure silicon and providing it in the crucible;
• solidifying of the liquid ultra-pure silicon starting from the bottom area of the crucible on the seed surface of the silicon monocrystalline seed, whereby the forming silicon block largely takes over the {110}-crystal orientation;
• and
• dividing the silicon block into wafers in such a way that a wafer surface comprises a {100}-crystal orientation.