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Proton conduction study of a new selenate-based hybrid compound

dc.contributor.authorABID, Dhouha
dc.contributor.authorDHOUIB, Ikram
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGUIONNEAU, Philippe
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPECHEV, Stanislav
hal.structure.identifierFaculté des Sciences de Sfax [FSS]
dc.contributor.authorCHAABANE, Iskandar
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDARO, Nathalie
dc.contributor.authorELAOUD, Zakaria
dc.date.issued2020
dc.identifier.issn0925-8388
dc.description.abstractEnOngoing studies aimed at developing a novel proton conducting solids, resulted in the new organic-inorganic compound [(C2H5)4N] HSeO4 (H2SeO4)2. The crystals were prepared by slow evaporation technique at room temperature. Crystal structure, thermal and electrical measurements were provided to characterize this compound. Single-crystal X-ray study showed that the new phase crystallizes belongs to the Cc space group of the monoclinic system with lattice parameters: a = 19.705 (1) Å; b = 7.5420 (3) Å; c = 19.199 (1) Å, β = 115°. The structure consists of infinite two-dimensional inter-linkers via strong hydrogen bonds (O–H⋯O) giving birth to trimers. Two phase transition were disclosed by differential thermal analysis and confirmed by electrical measurements and dielectric measurements. The complex impedance of the compound was investigated in the temperature range 290–373 K and in the frequency range 1-13.103 KHz. Besides, an electrical equivalent circuit was proposed to explain the impedance results. Electric and dielectric analyses reveal the presence of a relaxation phenomenon and highlight the good protonic conduction of this material.
dc.language.isoen
dc.publisherElsevier
dc.subject.enComplex impedance
dc.subject.enHydrogen bond
dc.subject.enOrganic-inorganic material
dc.subject.enCrystal structure
dc.subject.enProton conduction
dc.subject.enElectric and dielectric analysis
dc.title.enProton conduction study of a new selenate-based hybrid compound
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jallcom.2020.153826
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Alloys and Compounds
bordeaux.page153826
bordeaux.volume824
bordeaux.peerReviewedoui
hal.identifierhal-02639224
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02639224v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Alloys%20and%20Compounds&rft.date=2020&rft.volume=824&rft.spage=153826&rft.epage=153826&rft.eissn=0925-8388&rft.issn=0925-8388&rft.au=ABID,%20Dhouha&DHOUIB,%20Ikram&GUIONNEAU,%20Philippe&PECHEV,%20Stanislav&CHAABANE,%20Iskandar&rft.genre=article


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