Solvent-free mechanochemical synthesis of organic proton conducting salts incorporating imidazole and dicarboxylic acids

dc.contributor.authorZhou, YTen_AU
dc.contributor.authorKoedtruad, Aen_AU
dc.contributor.authorTan, ZHen_AU
dc.contributor.authorZhang, Den_AU
dc.contributor.authorBao, LXen_AU
dc.contributor.authorYue, YJen_AU
dc.contributor.authorWu, JYen_AU
dc.contributor.authorXu, JPen_AU
dc.contributor.authorXia, YGen_AU
dc.contributor.authorYin, Wen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorKan, WHen_AU
dc.contributor.authorKamiyama, Ten_AU
dc.contributor.authorMiao, Pen_AU
dc.date.accessioned2025-06-27T04:05:29Zen_AU
dc.date.available2025-06-27T04:05:29Zen_AU
dc.date.issued2023-05en_AU
dc.date.statistics2024-04-18en_AU
dc.description.abstractSolventless mechanochemical synthesis by manual grinding was applied to grow organic proton conducting salts, imidazole-succinic acid (C3H4N2-HOOC(CH2)2COOH) and imidazole-glutaric acid (C3H4N2-HOOC(CH2)3COOH). This synthesis method induces crystallization and provides the phase-pure compounds. The compounds exhibit different electric conducting behavior and activation energies Ea compared with the reported single crystals obtained from the solution method. The difference in conducting property can be related to intrinsic defects and structural disorder introduced by mechanochemical grinding, indicating that the mechanochemical method bears strong capability for tuning conductivities. Moreover, complete deuteration of the organic salts is achieved by the method. The mechanochemical synthesis of organic salts also holds high potential for the actual industrialized large-scale production. © 2023 Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).en_AU
dc.description.sponsorshipThe authors acknowledge the support of the National Natural Science Foundation of China (No. 12005243, 22205239, U1930102 and 11805034), Guangdong Basic and Applied Basic Research Foundation (No. 2022B1515120014 and 2022A1515110210) and China Postdoctoral Science Foundation (No. 2022M721906 and 2022M721909). The neutron diffraction experiments were carried out under the fast-track proposal at Australian Nuclear Science and Technology Organisation (ANSTO) and the general user program (No. P1622061700003) at China Spallation Neutron Source (CSNS).en_AU
dc.identifier.articlenumber100059en_AU
dc.identifier.citationZhou, Y., Koedtruad, A., Tan, Z., Zhang, D., Bao, L., Yue, Y., Wu, J., Xu, J., Xia, Y., Yin, W., Avdeev, M., Kan, W. H., Kamiyama, T., & Miao, P. (2023). Solvent-free mechanochemical synthesis of organic proton conducting salts incorporating imidazole and dicarboxylic acids. Chinese Journal of Structural Chemistry, 42(5), 100059. doi:10.1016/j.cjsc.2023.100059en_AU
dc.identifier.issn0254-5861en_AU
dc.identifier.issue5en_AU
dc.identifier.journaltitleChinese Journal of Structural Chemistryen_AU
dc.identifier.urihttps://doi.org/10.1016/j.cjsc.2023.100059en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/16206en_AU
dc.identifier.volume42en_AU
dc.languageEnglishen_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectDicarboxylic acidsen_AU
dc.subjectMonocrystalsen_AU
dc.subjectActivation energyen_AU
dc.subjectGrindingen_AU
dc.subjectSaltsen_AU
dc.subjectDeuterationen_AU
dc.subjectSolventsen_AU
dc.subjectDiffractionen_AU
dc.subjectSynthesisen_AU
dc.titleSolvent-free mechanochemical synthesis of organic proton conducting salts incorporating imidazole and dicarboxylic acidsen_AU
dc.typeJournal Articleen_AU
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