Sprayed SnO2 antireflection coating on textured silicon surface for solar cell applications

This paper reports the use of SnO₂ antireflection coatings deposited through direct liquid spraying of an aqueous solution of SnCl₄ on randomly upward pyramid textured (100)-Si solar cells. In spite of the adverse characteristic of the process used, the pyramid-like texture was preserved after the film deposition. The hemispherical reflectance of the sprayed-SnO₂/textured-Si structure was comparable to those obtained using conventional techniques