Pyrylium-based porous organic polymers via Knoevenagel condensation for efficient visible-light-driven heterogeneous photodegradation  

作　　者：Renwei Hu Mehdi Hassan Lu Liu Shuguang Zhang Weitao Gong 

机构地区：[1]State Key Laboratory of Fine Chemicals,School of Chemical Engineering,Dalian University of Technology,Dalian 116024,China [2]Engineering Laboratory of Boric and Magnesic Functional Material Preparative and Applied Technology,Dalian 116024,China [3]Department of Chemistry,University of Baltistan,Skardu 16100,Pakistan

出　　处：《Chinese Chemical Letters》2023年第4期279-282,共4页中国化学快报（英文版）

基　　金：financial support from the Natural Science Foundation of Liaoning Province (No. 2019-MS-046)。

摘　　要：Pyrylium salts are a type of representative and convincing example of versatility and variety not only as a nodal point in organic transformations but also as an attractive building block in functional organic materials. Herein, we report an effective synthetic protocol to fabricate a new pyrylium-containing porous organic polymers(POPs), named TMP-P, via Knoevenagel condensation with 2,4,6-trimethylpyrylium salt(TMP) as the key building block and 1,4-phthalaldehyde as the linker. The resulting ionic polymer TMPP exhibited efficient visible-light-driven heterogeneous photodegradation of Rhodamine B, owing to the presence of wide visible light absorption and a narrow optical band gap triggered pyrylium core in the framework.

关 键 词：Ionic porous organic polymer Pyryliun salts Knoevenagel reaction Vinylene-linked PHOTODEGRADATION 

分 类 号：TQ317[化学工程—高聚物工业]