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Colloidal synthesis and functional properties of quaternary Cu-based semiconductors: Cu2HgGeSe4

hal.structure.identifierCatalonia Institute for Energy Research [IREC]
dc.contributor.authorLI, Wenhua
hal.structure.identifierCatalonia Institute for Energy Research [IREC]
dc.contributor.authorIBÁÑEZ, Maria
hal.structure.identifierCatalonia Institute for Energy Research [IREC]
dc.contributor.authorCADAVID, Doris
hal.structure.identifierCatalonia Institute for Energy Research [IREC]
hal.structure.identifierInstitut de Ciència de Materials de Barcelona [ICMAB]
dc.contributor.authorZAMANI, Reza
hal.structure.identifierCatalonia Institute for Energy Research [IREC]
dc.contributor.authorRUBIO-GARCIA, Javier
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGORSSE, Stéphane
hal.structure.identifierCatalonia Institute for Energy Research [IREC]
hal.structure.identifierDepartament d'Electrònica [EME/CeRMAE/IN2UB]
dc.contributor.authorMORANTE, Joan
hal.structure.identifierInstitut de Ciència de Materials de Barcelona [ICMAB]
hal.structure.identifierInstitució Catalana de Recerca i Estudis Avançats = Catalan Institution for Research and Advanced Studies [ICREA]
dc.contributor.authorARBIOL, Jordi
hal.structure.identifierCatalonia Institute for Energy Research [IREC]
hal.structure.identifierInstitució Catalana de Recerca i Estudis Avançats = Catalan Institution for Research and Advanced Studies [ICREA]
dc.contributor.authorCABOT, Andreu
dc.date.issued2014
dc.identifier.issn1388-0764
dc.description.abstractEnHerein, a colloidal synthetic route to produce highly monodisperse Cu2HgGeSe4 (CHGSe) nanoparticles (NPs) is presented in detail. The high yield of the developed procedure allowed the production of CHGSe NPs at the gram scale. A thorough analysis of their structural and optical properties is shown. CHGSe NPs displayed poly-tetrahedral morphology and narrow size distributions with average size in the range of 10-40 nm and size dispersions below 10 %. A 1.6 eV optical band gap was measured by mean of UV-Vis. By adjusting the cation ratio, an effective control of their electrical conductivity is achieved. The prepared NPs are used as building blocks for the production of CHGSe bulk nanostructured materials. The thermoelectric properties of CHGSe nanomaterials are studied in the temperature range from 300 to 730 K. CHGSe nanomaterials reached electrical conductivities up to 5 × 104 S m−1, Seebeck coefficients above 100 μV K−1, and thermal conductivities below 1.0 W m−1 K−1 which translated into thermoelectric figures of merit up to 0.34 at 730 K.
dc.language.isoen
dc.publisherSpringer Verlag
dc.subject.enQuaternary nanoparticles
dc.subject.enColloidal synthesis
dc.subject.enNanomaterials
dc.subject.enThermoelectric
dc.title.enColloidal synthesis and functional properties of quaternary Cu-based semiconductors: Cu2HgGeSe4
dc.typeArticle de revue
dc.identifier.doi10.1007/s11051-014-2297-2
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Nanoparticle Research
bordeaux.page2297 (6 p.)
bordeaux.volume16
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-00959322
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00959322v1
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