LIGHT ABSORPTION LAYER, METHOD FOR PRODUCING SAME, COATING LIQUID, PHOTOELECTRIC CONVERSION ELEMENT, AND INTERMEDIATE BAND SOLAR CELL

摘要

The present invention relates to: a light absorption layer for forming a photoelectric conversion element and an intermediate band solar cell, each of which has an excellent quantum yield of two-step light absorption; and a photoelectric conversion element and an intermediate band solar cell, each of which comprises this the light absorption layer. A light absorption layer according to the present invention has an intermediate band, while containing a perovskite compound and quantum dots which have an upper end of a valence band at an energy level that is more negative than the upper end of a valence band of the perovskite compound.