期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 136, 期 38, 页码 13166-13169出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja507634v
关键词
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资金
- JSPS [21.4405]
- [20350030]
- [22108526]
- Grants-in-Aid for Scientific Research [26810037, 26708007, 26600026] Funding Source: KAKEN
Proton conductivity through two-dimensional (2-D) hydrogen-bonding networks within a layered metal-organic framework (MOF) (NH4)(2)(H(2)adp)-[Zn-2(ox)(3)]center dot 3H(2)O (H(2)adp = adipic acid; ox = oxalate) has been successfully controlled by cation substitution. We synthesized a cation-substituted MOF, K-2(H(2)adp)-[Zn-2(ox)(3)]center dot 3H(2)O, where the ammonium ions in a well-defined hydrogen-bonding network are substituted with non-hydrogen-bonding potassium ions, without any apparent change in the crystal structure. We successfully controlled the proton conductivity by cleavage of the hydrogen bonds in a proton-conducting pathway, showing that the 2-D hydrogen-bonding networks in the MOF truly contribute to the high proton conductivity. This is the first example of the control of proton conductivity by ion substitution in a well-defined hydrogen-bonding network within a MOF.
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