ELECTROLYTE COMPRISING BOTH HIGH-BOILING POINT ORGANIC SOLVENT AND IONIC LIQUID AND DYE-SENSITIZED SOLAR CELL USING SAME

摘要

The present invention relates to an electrolyte with improved thermal stability and durability, and provides an electrolyte comprising 1.88 to 2.65 wt% of iodine, 12.23 to 14.50 wt% of an imidazolium iodide salt as an iodine-based ionic liquid, 4.42 to 5.44 wt% of benzimidazole or a benzimidazole-based compound, and 77.41 to 81.46 wt% of an organic solvent, wherein the organic solvent comprises both an iodine-based ionic liquid having a melting point of 135°C to 250°C inclusive and iodine.