Ultrathin two-dimensional porphyrinic metal-organic framework nanosheets induced by the axial aryl substituent  

作　　者：Jurong Dong Yufei Wang Yu-Lin Lu Li Zhang 

机构地区：[1]MOE Laboratory of Bioinorganic and Synthetic Chemistry,Lehn Institute of Functional Materials,School of Chemistry,Sun Yat-Sen University,Guangzhou 510006,China

出　　处：《Chinese Chemical Letters》2023年第7期117-121,共5页中国化学快报（英文版）

基　　金：support from the National Natural Science Foundation of China (Nos. 21773314, 21821003 and 21890382);the Guangdong Natural Science Funds for Distinguished Young Scholar (No. 2019B151502017)。

摘　　要：Ultrathin two-dimensional metal-organic framework nanosheets have emerged as a promising kind of heterogeneous catalysts. Herein, we report a new kind of 2D porphyrinic metal-organic framework nanosheets of Rh2-PCN-222, which was prepared from the self-assembly of the metalloporphyrin ligand Rh(TCPP)(DCB)(TCPP = 5,10,15,20-tetrakis(4-methoxycarbonylphenyl)porphyrin;DCB = 3,4-dichlorobenzene) and ZrCl_(4) in the presence of two kinds of monocarboxylic acids as the modulating reagent. The thickness of Rh2-PCN-222 nanosheets was characterized by atomic force microscopy(AFM)and determined to be 5.4-9.6 nm. It was found that the axial aryl dichlorophenyl substituent, which controlled the anisotropic growth of MOFs, was essential for the formation of nanosheets. Catalytic results showed that Rh2-PCN-222 nanosheets were efficient for CO_(2) transformation.

关 键 词：METALLOPORPHYRIN Axial aryl substituent 2D MOF nanosheets CO_(2)transformation Heterogeneous catalysis 

分 类 号：O641.4[理学—物理化学] TB383.1[理学—化学]