Parallel-like bulk heterojunction polymer solar cells.

  title={Parallel-like bulk heterojunction polymer solar cells.},
  author={Liqiang Yang and Huaxing Zhou and Samuel C Price and Wei You},
  journal={Journal of the American Chemical Society},
  volume={134 12},
Here we demonstrate a conceptually new approach, the parallel-like bulk heterojunction (PBHJ), which maintains the simple device configuration and low-cost processing of single-junction BHJ cells while inheriting the major benefit of incorporating multiple polymers in tandem cells. In this PBHJ, free charge carriers travel through their corresponding donor-polymer-linked channels and fullerene-enriched domain to the electrodes, equivalent to a parallel-like connection. The short-circuit current… CONTINUE READING
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