Lanthanide-Hypophosphite Frameworks with Guanidinium Guest Showing High Proton Conductivity  

作　　者：Quan-Wen Li Zhao-Yang Li Kai Li Bin Xia Na Li Xian-He Bu 

机构地区：[1]School of Materials Science and Engineering,National Institute for Advanced Materials,Tianjin Key Laboratory of Metal and Molecule-Based Material Chemistry,Nankai University,Tianjin 300350,China [2]State Key Laboratory of Elemento-Organic Chemistry,College of Chemistry,Nankai University,Tianjin 300071,China

出　　处：《Chinese Journal of Chemistry》2021年第12期3381-3385,共5页中国化学（英文版）

基　　金：This work was supported by the NFSC(Nos.22035003,91856124,21801137,21905142);the Program of Introducing Talents of Discipline to Universities(No.B18030).

摘　　要：Proton-conductive metal-organic frameworks(MOFs)have attracted great attention for their promising application in membrane fuel cells.To explore proton-conductive MOFs with high performance,here we present four lanthanide-hypophosphite frameworks with distinct amine guests.These complexes possess a general formula[AH][Gd_(2)(H_(2)PO_(2))_(7)(AH=protonated amines)].Due to the rich hydrogen bond networks,complex 1 with guanidinium as guest shows high proton conductivity of 1.75×10^(-2) S·cm^(-1) at a relative humidity of 97%(368 K).We also studied the magnetic properties of complex 1 and reveal that the hypophosphite ligand transfers weak antiferromagnetic interactions between Gd^(3+)ions.

关 键 词：LANTHANIDES HYPOPHOSPHITE Metal-organic frameworks Proton transport Magnetic properties 

分 类 号：O62[理学—有机化学]