2011 年 79 巻 10 号 p. 810-812
Dye-sensitized solar cells based on low-viscosity phosphonium ionic liquids having a methoxymethyl group, triethyl(methoxymethyl)phosphonium bis(trifluoromethylsulfonyl)amide and triethyl(methoxymethyl)phosphonium dicyanamide, as their electrolytes have been successfully fabricated. The photo-energy conversion efficiency was optimized up to 5.8 % under AM 1.5 full sunlight illumination.