A proton conductor showing an indication of single-ion magnet behavior based on a mononuclear Dy(iii) complex

被引：34

作者：

Zhu, Shui-Dong ^{[1
]}

Dong, Lu ^{[2
]}

Hu, Jun-Jie ^{[1
]}

Wen, He-Rui ^{[1
]}

Lu, Ying-Bing ^{[2
]}

Deng, Wei-Hua ^{[3
]}

Liu, Cai-Ming ^{[4
]}

Liu, Sui-Jun ^{[1
]}

Xu, Gang ^{[3
]}

Fu, Zhi-Hua ^{[3
]}

机构：

[1] Jiangxi Univ Sci & Technol, Sch Chem & Chem Engn, Ganzhou 341000, Jiangxi, Peoples R China

[2] Gannan Normal Univ, Sch Chem & Chem Engn, Ganzhou 341000, Jiangxi, Peoples R China

[3] Chinese Acad Sci, State Key Lab Struct Chem, Fujian Inst Res Struct Matter, Fuzhou 350002, Peoples R China

[4] Chinese Acad Sci, Beijing Natl Lab Mol Sci, Ctr Mol Sci, Key Lab Organ Solids,Inst Chem, Beijing 100190, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2021年 / 9卷 / 02期

关键词：

METAL-ORGANIC FRAMEWORKS; MOLECULE MAGNETISM; LINEAR TRINUCLEAR; RELAXATION; WATER; DYNAMICS; NETWORK; MOF;

D O I：

10.1039/d0tc04423g

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Crystalline molecular materials exhibiting both proton conduction and single-molecule magnet (SMM) behavior would offer great opportunities for applications in fuel cell, molecular spintronic, and high-density data storage technologies. However, such kinds of materials have rarely been reported. Herein, the first example of a mononuclear proton-conductive Dy-III-SMM, namely [Dy(H(2)bim)(2)(H2O)(2)(NO3)(2)](NO3) (1) (H(2)bim = 2,2 '-biimidazole), was synthesized and characterized. Complex 1 displays high proton conductivity (sigma) of 1.16 x 10(-3) S cm(-1) at 35 degrees C and 100% relative humidity (RH). The 1D H-bonding network, with 2,2 '-biimidazole and coordinated water molecules acting as H-bonding donors and nitrate anions (NO3-) acting as H-bonding acceptors, plays a dominant role in allowing this high conductivity. Magnetic studies indicated that complex 1 exhibits single-ion magnet behavior.

引用

页码：481 / 488

页数：9

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