| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a solar cell capable of performing photoelectric conversion efficiently converting incident sunlight. <P>SOLUTION: The solar cell is formed by combining two or more processes of a process for roughening the surface of silicon having p-type conductivity and n-type conductivity, a process for forming openings having polygon shapes, and a process for forming a porous layer. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
