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Keywords:

  • covalent organic frameworks;
  • electron donors;
  • electron acceptors;
  • self-sorting;
  • ambipolar conducting
Thumbnail image of graphical abstract

A donor-acceptor built-in covalent organic framework with segregated, periodic, and bicontinuous electron donor-acceptor ordering is reported. The framework consists of pre-organized periodic independent pathways for ambipolar electron and hole conduction and constitutes vertically ordered p-n heterojunctions with a broad D-A interface for enhanced photoconductivity.