The First Demonstration of the Gyroid in a Polyoxometalate-Based Open Framework with High Proton Conductivity

被引:45
|
作者
Gao, Qiang [1 ,2 ]
Wang, Xiu-Li [3 ]
Xu, Jian [1 ,2 ]
Bu, Xian-He [1 ,2 ]
机构
[1] Nankai Univ, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Sch Mat Sci & Engn, TKL Met & Mol Based Mat Chem, Tianjin 300350, Peoples R China
[2] Nankai Univ, Coll Chem, State Key Lab Elementoorgan Chem, Tianjin 300071, Peoples R China
[3] Bohai Univ, Dept Chem, Jinzhou 121000, Peoples R China
关键词
electrocatalysis; gyroid minimal surface; novel topology; polyoxometalates; proton conduction; METAL-ORGANIC FRAMEWORKS; POROUS COORDINATION POLYMERS; EMERGENT PROPERTIES; BUILDING-BLOCKS; CHEMISTRY; TOPOLOGY; NETS; OXIDATION; ELECTRODE; SURFACES;
D O I
10.1002/chem.201601233
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The fabrication of extended open frameworks with crystalline ordering on the atomic level by following peculiar mathematical geometry (e.g. Mobius band, Klein bottle, periodic minimal surfaces, etc.) is challenging, but extremely beneficial for discovering non-trivial structure-dependent properties. In light of this, we herein report the first polyoxometalate-based open framework (POM-OF) that definitely lies on the gyroid (G)-minimal surface, which was constructed by a rare pair of chiral POM enantiomers and zinc ions. Due to the presence of the proton carriers (i.e., water, Na+, [(Bu)(4)N](+), etc.) in the resultant gyroidal channels, with pore dimensions on the order of the quasi-mesoporous scale, this compound shows a high proton conductivity of 1.04 x 10 (2) Scm (1) at a relative humidity of 75% (80 degrees C), and also exhibits enormous potential in the application of electrochemical catalysis.
引用
收藏
页码:9082 / 9086
页数:5
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