期刊
CHEMSUSCHEM
卷 8, 期 20, 页码 3459-3464出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201500827
关键词
bandgap alignment; conjugated microporous polymers; metal-free; organic catalyst; photocatalysis
资金
- Max Planck Society
- Excellence Initiative of the graduate school of excellence MAINZ (Materials Science in Mainz) [DFG/GSC 266]
- Fonds der Chemischen Industrie, FCI
Metal-free visible-light photocatalysts offer a clean, sustainable solution to many pressing environmental issues. Herein, we present a molecular design strategy to fine-tune the valence and conduction band levels of a series of conjugated microporous polymer networks based on poly(benzochalcogenadiazole) for heterogeneous photocatalysis. Enhanced photocatalytic efficiency was observed by altering the chalcogene moieties in the electron-accepting benzochalcogenadiazole unit of the polymer backbone structure. Photooxidative coupling of benzylamines was chosen as a model reaction. This design strategy leading to enhanced efficiency could potentially improve a wide range of photoredox reactions.
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