Abstract: (3168 Views)
Polymer solar cells structure contains an active layer of organic molecules placed between two electrodes. To facilitate the separated charges and increase the efficiency, the active layer includes two layers of donor and acceptor. In this paper three alternative copolymers of PCPDT-BT, PCPDT - DFBT, PDTP - DFBT have been investigated as active layers. Also, the microscopic affecting the efficiency of solar cells is calculated. Finally comparison between polymer solar cells in a single layer and multi-layer structures has been presented.
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