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Keywords:

  • molecular electronics;
  • organic materials;
  • photovoltaics;
  • self-assembly;
  • semiconductors
Thumbnail image of graphical abstract

An organic semiconductor device is formed by the self-assembly on a transparent electrode surface. The donor (see picture; dibenzotetrathienocoronene, yellow layer) deposits as supramolecular cables, and the acceptor (C60, orange) subsequently infiltrates this network. This network provides a donor–acceptor interface that is interwoven at the nanoscale. When incorporated into a solar cell, the active layer provides large increases in power conversion efficiencies.