A lead–porphyrin metal–organic framework: gas adsorption properties and electrocatalytic activity for water oxidation

Fangna Dai; Weidong Fan; Jiahui Bi; Peng Jiang; Dandan Liu; Xirui Zhang; Huan Lin; Chuanfang Gong; Rongming Wang; Liangliang Zhang; Daofeng Sun

doi:10.1039/C5DT04025F

A lead–porphyrin metal–organic framework: gas adsorption properties and electrocatalytic activity for water oxidation†

Fangna Dai,*^ab Weidong Fan,^a Jiahui Bi,^a Peng Jiang,^b Dandan Liu,^b Xirui Zhang,^a Huan Lin,^a Chuanfang Gong,^a Rongming Wang,^a Liangliang Zhang^a and Daofeng Sun*^a

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* Corresponding authors

^a State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum (East China), Qingdao, Shandong, People's Republic of China
E-mail: fndai@upc.edu.cn, dfsun@upc.edu.cn

^b College of Chemical Engineering, Key Laboratory of Catalysis, China University of Petroleum (East China), Qingdao, Shandong, People's Republic of China

Abstract

A 3D non-interpenetrating porous metal–organic framework [Pb₂(H₂TCPP)]·4DMF·H₂O (Pb-TCPP) (H₆TCPP = 5,10,15,20-tetra(carboxyphenyl)porphyrin) was synthesized by employment of a robust porphyrin ligand. Pb-TCPP exhibits a one-dimensional channel possessing fairly good capability of gas sorption for N₂, H₂, Ar, and CO₂ gases, and also features selectivity for CO₂ over CH₄ at 298 K. Furthermore, Pb-TCPP shows electrocatalytic activity for water oxidation in alkaline solution. It is the first 3D porous Pb-MOF that exhibits both gas adsorption properties and electrocatalytic activity for an oxygen evolution reaction (OER).

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A lead–porphyrin metal–organic framework: gas adsorption properties and electrocatalytic activity for water oxidation†

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