“…Conjugated porous polymers (CPPs), − including covalent organic frameworks (COFs), − crystalline covalent triazine frameworks, − or conjugated microporous polymers, − have emerged as promising heterogeneous photocatalysts due to large conjugated system, tailor-made functions, adjustable energy level, and remarkable stability. − The predesign strategy by selecting well-arranged electron donor–acceptor (D–A) building blocks is an ideal way for precisely adjusting the photocatalytic performance of CPPs at the molecular level. ,,,, The push–pull effect of D–A pairs can effectively enhance the light absorption range and improve the transport and separation efficiency of photogenerated carriers (e – –h + ). ,,,, Facts proved that the photogenerated electrons or holes showed effectively reductive or oxidative activities in organic conversion reactions through a radical mechanism, such as oxidative amine coupling, reductive dehalogenation reaction, trifluoromethylated ketones, and radical polymerization. − Wang and co-workers introduced pyrene and benzothiadiazole cores into conjugated D–A Py-BSZ-COF COFs, which showed good photocatalytic activity for oxidative amine coupling because of its improved charge separation. Under visible light irradiation, photogenerated h + oxidized amine to give amine radical anion and ROS O 2 · – to oxidize amine radical anion to form the key imine intermediate .…”