COATING LIQUID FOR FORMING DIFFUSION PREVENTION LAYER, PROCESS OF MANUFACTURING SEMICONDUCTOR SUBSTRATE WITH DOPANT DELUSION LAYER USING THE SAME, AND PROCESS OF MANUFACTURING SOLAR CELL

摘要

PROBLEM TO BE SOLVED: To provide a coating liquid for forming a diffusion prevention layer, process of manufacturing a semiconductor substrate with a dopant diffusion layer using the same, and process of manufacturing a solar cell, having high uniformity in diffusion prevention performance and excellent in film formation performance by screen printing and such.SOLUTION: The coating liquid for forming a diffusion prevention layer for preventing dopant diffusion by coating on a surface of a semiconductor substrate contains components (A) and (B) described below. (A) a polyvinyl alcohol resin. (B) a metal oxide fine particle.