HOLE TRANSPORT MATERIAL FOR IMPROVING PEROVSKITE SOLAR CELL EFFICIENCY

摘要

The present invention relates to a solar cell, and the solar cell according to the present invention comprises: a first electrode; a light absorption layer formed on the first electrode and containing a perovskite material; a hole transport layer formed on the light absorption layer; and a second electrode formed on the hole transport layer, wherein the hole transport layer is formed from a composite of a single-walled carbon nanotube (SWNT) layer and a polymer layer, wherein the polymer layer contains 4-tert butylpyridine.