Charge-Transfer-Complexed Conjugated Microporous Polymers (CT-CMPs)

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Abstract

A new concept of the formation of charge transfer (CT) complexes between an intrinsically electron-donating conjugated microporous polymer and a small molecule acceptor is reported. Spirobifluorene-based mesoporous organic polymers with high porosity and Brunauer–Emmett–Teller surface area are synthesized by the Suzuki-coupling reaction of spirobifluorene and pyrene monomers. The simple doping of the synthesized mesoporous, electron-rich, conjugated polymer with 7,7,8,8-tetracyanoquinodimethane as an acceptor leads to efficient CT complexation in the electron-donating mesoporous spaces. This results in a high-speed synthesis (within 5 s), thermally stable compound (up to about 200 °C), and good control of the concentration of donor–acceptor pairs in the CT complex.

Original languageEnglish
Article number1900415
Number of pages6
JournalMacromolecular Chemistry and Physics
Volume221
Issue number9
DOIs
Publication statusPublished - 1 May 2020

Keywords

  • charge transfer (CT) complexes
  • conjugated microporous polymers (CMPs)
  • porous polymers
  • spirobifluorene

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