METHOD FOR THE WET-CHEMICAL ETCHING BACK OF A SOLAR CELL EMITTER

摘要

The invention relates to a method for the wet-chemical etching of a solar cell emitter. According to the invention, in order to be able to perform homogeneous etching, an alkaline etching solution containing at least one oxidizing agent selected from the group comprising peroxodisulphates, peroxomonosulphates and hypochlorite is used as etching solution.