Electrolyte composition, photoelectric conversion element using the same, and dye-sensitized photovoltaic cell

摘要

An electrolyte composition containing an ionic liquid and conductive particles, an electrolyte composition containing an ionic liquid and oxide semiconductor particles and optionally containing conductive particles, and an electrolyte composition containing an ionic liquid and insulating particles are provided. Furthermore, a photoelectric conversion element comprising: a working electrode, the working electrode comprising an electrode substrate and an oxide semiconductor porous film formed on the electrode substrate and sensitized with a dye; a counter electrode disposed opposing the working electrode; and an electrolyte layer made of these electrolyte compositions is provided.

主权项

1. An electrolyte composition comprising:
an ionic liquid including a room temperature molten salt containing a cation, oxide semiconductor particles and a redox pair, the electrolyte composition excluding an organic gelling agent wherein: a liquid electrolyte is defined as the electrolyte composition excluding the oxide semiconductor particles, a rate of change in diffusion coefficients is not less than 25% and not more than 125%, the rate of change in the diffusion coefficients being defined as, and a compounding amount of the oxide semiconductor particles is not less than 0.05% by weight and not more than 70% by weight with respect to a total amount of the electrolyte composition to make the electrolyte composition into a gel.