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要旨:
Photoredox catalysis that comprises homogeneous transition metal‐based systems, organic dyes, and semiconductors, has now become a universal tool to catalyse a wide variety of chemical reactions with high selectivity under mild conditions using visible light irradiation. In this review, we summarize recent progress in photoredox catalysis mediated by heterogeneous carbon nitride materials, e.g., mesoporous graphitic carbon nitride (mpg‐CN), polymeric carbon nitride, and potassium poly(heptazine imides) (K‐PHI). Due to the high thermal, chemical, and photo stability, as well as favourable conduction and valence band positions, carbon nitrides expand the reaction range to many novel reactions, such as photocatalytic activation of elemental sulfur offering a convenient chemical route to organosulfur compounds.
