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We present an efficient tandem polymer organic solar cell (OSC), consisting of the P3HT:PCBM blend as the active layer, in which the bottom and top cells are connected optically and electrically by an Al and MoO3 intermediate layer. Such an intermediate layer has high transparency and can implement the connection of the bottom and top cells in series. The main absorption range of the active layer...
A correlation between current 1/f noise and dark spot formation is reported. Our results show that the dark spot is primarily correlated to current 1/f noise slope; the higher the slope, the poorer the interface, and the more abnormal dark spot growth rate and the shorter lifetime. Besides, there is a correlation between current 1/f noise magnitude and the dark spot initial size. A higher 1/f noise...
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