A naphthodithiophene-diketopyrrolopyrrole donor molecule for efficient solution-processed solar cells.

@article{Loser2011AND,
  title={A naphthodithiophene-diketopyrrolopyrrole donor molecule for efficient solution-processed solar cells.},
  author={Stephen Loser and Carson J. Bruns and Hiroyuki Miyauchi and Rocio Ortiz and Antonio Facchetti and Samuel I. Stupp and Tobin J Marks},
  journal={Journal of the American Chemical Society},
  year={2011},
  volume={133 21},
  pages={
          8142-5
        }
}
We report the synthesis, characterization, and first implementation of a naphtho[2,3-b:6,7-b']dithiophene (NDT)-based donor molecule in highly efficient organic photovoltaics (OPVs). When NDT(TDPP)(2) (TDPP = thiophene-capped diketopyrrolopyrrole) is combined with the electron acceptor PC(61)BM, a power conversion efficiency (PCE) of 4.06 ± 0.06% is achieved-a record for a PC(61)BM-based small-molecule OPV. The substantial PCE is attributed to the broad, high oscillator strength visible… CONTINUE READING
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