A solar cell incorporates a light harvesting array that comprises: (a) a first substrate comprising a first electrode; and (b) a layer of light harvesting rods electrically coupled to the first electrode, each of the light harvesting rods comprising a polymer of Formula I:
1
X
1
⁢
—
(
X
m
+
1
)
m
(
I
)
wherein m is at least 1, and may be from two, three or four to 20 or more; X
1
is a charge separation group (and preferably a porphyrinic macrocycle, which may be one ligand of a double-decker sandwich compound) having an excited-state of energy equal to or lower than that of X
2
; and X
2
through X
m+1
are chromophores (and again are preferably porphyrinic macrocycles).
太阳能电池包括一个光收集阵列,其中包括:(a) 第一基底,包括第一电极;和 (b) 与第一电极电耦合的光收集棒层,其中每个光收集棒包括式I的聚合物:1X1⁢—(Xm+1)m(I),其中m至少为1,可以是从2、3或4到20或更多;X1是一个电荷分离基团(最好是
卟啉大环,可以是双层夹心化合物的一个
配体)具有与X2相等或更低的激发态能量;而X2到Xm+1是色团(同样最好是
卟啉大环)。