| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compound semiconductor solar cell with high characteristics. <P>SOLUTION: In the compound semiconductor solar cell, the layer closest to a first sub-cell among layers constituting a grading buffer layer provided between a second sub-cell and the first sub-cell has a thickness of 1.5 to 2 μm inclusive. <P>COPYRIGHT: (C)2013,JPO&INPIT |
