期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 11, 页码 4354-4359出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201915569
关键词
corrole; covalent organic framework; desymmetrized topology; singlet oxygen
资金
- China International Science and Technology Project [2016YFE0114900]
- National Natural Science Foundation of China [21761132007]
- China Scholarship Council (CSC) [201706250095]
- United States National Science Foundation [DMR-1352065]
- University of South Florida
Herein, for the first time, we present the successful synthesis of a novel two-dimensional corrole-based covalent organic framework (COF) by reacting the unusual approximately T-shaped 5,10,15-tris(p-aminophenyl)corrole H(3)TPAPC with terephthalaldehyde, which adopts desymmetrized hcb topology and consists of a staggered AB stacking structure with elliptical pores. The resultant corrole-based COF, TPAPC-COF, exhibits high crystallinity and excellent chemical stability. The combination of extended pi-conjugated backbone and interlayer noncovalent pi-pi interactions endows TPAPC-COF with excellent absorption capability in the entire visible-light and even near-infrared regions. Moreover, this work suggests the promise of TPAPC-COF as a new class of photoactive material for efficient singlet-oxygen generation with potential photodynamic therapy application as demonstrated by in vitro anticancer studies.
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