| 摘要 |
<p>A SOLAR CELL, WHEREIN CONTAMINATION WITH AN UNDESIRED IMPURITY IS SUPPRESSED, AND SOLAR CELL CHARACTERISTICS ARE EXCELLENT. THIS SOLAR CELL (100) IS PROVIDED WITH: A SEMICONDUCTOR SUBSTRATE (10) HAVING A PHOTORECEIVING SURFACE AND A BACK SURFACE; A FIRST SEMICONDUCTOR LAYER (12A) OF A FIRST CONDUCTIVITY TYPE FORMED ON A PRESCRIBED REGION OF THE BACK SURFACE OF THE SEMICONDUCTOR SUBSTRATE; A SECOND SEMICONDUCTOR LAYER (13A) OF A SECOND CONDUCTIVITY TYPE FORMED TO EXTEND OVER THE BACK SURFACE OF THE SEMICONDUCTOR SUBSTRATE AND THE SURFACE OF THE FIRST SEMICONDUCTOR LAYER; AND A CAP LAYER (30) FORMED BETWEEN THE FIRST SEMICONDUCTOR LAYER AND THE SECOND SEMICONDUCTOR LAYER, AND CONTAINING NO IMPURITY OF THE FIRST CONDUCTIVITY TYPE.</p> |
