期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 17, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202116527
关键词
Doping; Porous Organic Polymers; Post-Synthetic Modification; Semiconductors; Tetraoxa[8]Circulenes
资金
- Swiss National Science Foundation (SNSF) [200021-188572]
- National Science Foundation (Waterman Award) [DMR-1645232]
- Universite de Fribourg
Tetraoxa[8]circulenes (TOCs) are a class of hetero[8]circulenes with a mixed aromatic/antiaromatic motif, which governs their low-band-gap semiconductor properties. The first example of polymeric TOCs (pTOCs), a new family of porous semiconductors, has been successfully synthesized under ionothermal conditions through intermolecular cyclization. pTOCs are porous and exhibit tunable semiconducting properties.
Tetraoxa[8]circulenes (TOCs) are a class of hetero[8]circulenes featuring a planar cyclooctatetraene core with a mixed aromatic/antiaromatic motif that governs their electronic properties. Polymeric TOCs (pTOCs) have been the subject of several computational simulations because they are predicted to be low-band-gap semiconductors, but they have not been available synthetically yet. Here, we report the first example of pTOCs, a new family of porous semiconductors, synthesized under ionothermal conditions through the intermolecular cyclization of 1,4,5,8-anthracene tetrone. pTOCs are porous, with surface areas up to 1656 m(2) g(-1), and exhibit light-switchable and tunable semiconducting properties.
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