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High proton conductivity in metalloring-cluster based metal-organic nanotubes |
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| Authors: | Lin Quanjie Ye Yingxiang Liu Lizhen Yao Zizhu Li Ziyin Wang Lihua Liu Chulong Zhang Zhangjing Xiang Shengchang |
| Affiliation: | 1.Fujian Provincial Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou, 350007, China ;2.State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China ; |
| Abstract: | Two novel anionic single-walled metal-organic nanotubes (MONTs), (CH3)2NH2]In(cdc)(thb)]?2DMF?9.5H2O (FJU-105) and (CH3)2NH2]In(cdc)(H-btc)]?2DMA?11H2O (FJU-106) (H2cdc = 9H-carbazole-3,6-dicarboxylic acid, H2thb = 2,5-thiophene dicarboxylic acid, H3btc = 1,3,5-benzene tricarboxylic acid), are achieved by employing In6(cdc)6]6+ metalloring cluster with largest diameter as the secondary building blocks (SBUs). The inner surface of FJU-106 is functionalized by uncoordinated -COOH groups of the H-btc linkers, leading to a higher proton conduction than FJU-105. At 70 °C, FJU-106 displays the proton conduction performances among MONTs, up to 1.80 × 10-2 S?cm -1. And FJU-105 and FJU-106 are the first examples of MONT proton conductors operating at subzero temperature.  |
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