| abstract |
Disclosed are a compound useful as an ionic liquid that provides a photoelectric conversion element with excellent photoelectric conversion efficiency, and a photoelectric conversion element using the compound. Equation (1a) (Wherein R represents at least one alkenyl group, R ′ represents an alkoxy group, etc., X − represents a monovalent anion), and the silyl group-containing ammonium salt A composition comprising a salt and a carbon material, and a dye-sensitized solar cell provided with a charge transport layer prepared from the composition. [Selection figure] None |