When an electron leaps into the conduction band, it leaves behind a hole in the valence band.
当一个电子跃迁到传导带，它会在价带留下一个“凹陷”。
The extra electron fills up the lower-energy state in the conduction band, causing excited electrons to, effectively, spill over into the higher-energy, photon-emitting state.
这个额外的电子填充了传导带的较低能级，有效的导致了被激发的电子溢入较高，释放光子的能级。
But in fact, an electron in the conduction band can be in one of two states.
但实际上，电子在这种传导带中存在两种形态。
The sensitizer, which captures the sunlight and transfer electron from its oxidation state to the conduction band of anode, is a crucial segment in DSSCs.
光敏染料吸收光能并且将激发态电子注入半导体导带中，从而实现光伏转换，是染料敏化太阳电池中的重要组成部分。
Compared to cyanoacrylic acid group, the(co) rhodanine acetic can also shift LUMO of dye positively and reduce the force of electron injection into conduction band of TiO2.
与氰基丙烯酸基相比，（联）绕丹宁乙酸基团作为电子受体更能降低染料的LUMO能级，从而使得激发态染料分子的电子注入驱动力变弱。
Compared to cyanoacrylic acid group, the(co) rhodanine acetic can also shift LUMO of dye positively and reduce the force of electron injection into conduction band of TiO2.
与氰基丙烯酸基相比，（联）绕丹宁乙酸基团作为电子受体更能降低染料的LUMO能级，从而使得激发态染料分子的电子注入驱动力变弱。
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