LEAD-FREE PEROVSKITE-BASED HOLE TRANSPORT MATERIAL COMPOSITES, SOLAR CELLS INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME

摘要

Provided are a hole transport material composite including a lead-free perovskite (Cs₂SnI₆), a liquid ionic conductor and a solvent that is a solid at a room temperature, a solar cell, and a method of manufacturing the lead-free perovskite-based hole transport material composite.