Abstract:
Disclosed is a porphyrin photosensitive dye, having the chemical formula: Each of L1 and L2 is independently R1 is C5-20 linear/branched alkyl group. R2 is C0-20 linear/branched alkyl group. R4 is C1-20 linear/branched alkyl group. Each of R3 and R5 is independently C1-20 linear/branched i alkyl group or C1-20 linear/branched alkoxy group. Y1 is C3-20 cycloalkyl group. Each of a and b is independently an integer of 0 to 5. D is Each of R6 to R11 is independently C1-10 alkyl group. X1 is N, O, S, or Se. Each of c, d, and e is independently an integer of 0 to 5. A is Each of Z1 and Z2 is independently hydrogen, alkali metal, or quaternary ammonium salt —N(R12)4. R12 is C1-10 alkyl group. X2 is N, O, S, or Se.
Abstract:
Disclosed is a solar cell including a first electrode, a second electrode, and a first conversion layer disposed therebetween. The first electrode is closer to a light incident side than the second electrode. The first conversion layer is a composition-gradient perovskite. A part of the first conversion layer adjacent to the first electrode has an energy gap less than that of a part of the first conversion layer adjacent to the second electrode.
Abstract:
Disclosed is a solar cell including a first electrode, a second electrode, and a first conversion layer disposed therebetween. The first electrode is closer to a light incident side than the second electrode. The first conversion layer is a composition-gradient perovskite. A part of the first conversion layer adjacent to the first electrode has an energy gap less than that of a part of the first conversion layer adjacent to the second electrode.