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Evaluation of ligands effect on the photophysical properties of copper iodide clusters

hal.structure.identifierLaboratoire de physique de la matière condensée [LPMC]
dc.contributor.authorHUITOREL, Brendan
hal.structure.identifierLaboratoire de physique de la matière condensée [LPMC]
dc.contributor.authorEL MOLL, Hani
hal.structure.identifierInstitut des Matériaux Jean Rouxel [IMN]
dc.contributor.authorUTRERA-MELERO, Raquel
hal.structure.identifierLaboratoire de chimie moléculaire [LCM]
dc.contributor.authorCORDIER, Marie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorFARGUES, Alexandre
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGARCIA, Alain
hal.structure.identifierInstitut des Matériaux Jean Rouxel [IMN]
dc.contributor.authorMASSUYEAU, Florian
hal.structure.identifierInstitut Lavoisier de Versailles [ILV]
hal.structure.identifierConditions Extrêmes et Matériaux : Haute Température et Irradiation [CEMHTI]
dc.contributor.authorMARTINEAU-CORCOS, Charlotte
hal.structure.identifierConditions Extrêmes et Matériaux : Haute Température et Irradiation [CEMHTI]
dc.contributor.authorFAYON, Franck
hal.structure.identifierConditions Extrêmes et Matériaux : Haute Température et Irradiation [CEMHTI]
dc.contributor.authorRAKHMATULLIN, Aydar
hal.structure.identifierInstitut des Sciences Chimiques de Rennes [ISCR]
dc.contributor.authorKAHLAL, Samia
hal.structure.identifierInstitut des Sciences Chimiques de Rennes [ISCR]
dc.contributor.authorSAILLARD, Jean-Yves
hal.structure.identifierLaboratoire de physique de la matière condensée [LPMC]
dc.contributor.authorGACOIN, Thierry
hal.structure.identifierLaboratoire de physique de la matière condensée [LPMC]
hal.structure.identifierInstitut des Matériaux Jean Rouxel [IMN]
dc.contributor.authorPERRUCHAS, Sandrine
dc.date.issued2018
dc.identifier.issn0020-1669
dc.description.abstractEnLuminescent materials based on copper complexes are currently receiving increasing attention because of their rich photophysical properties, opening a wide field of applications. The copper iodide clusters formulated [Cu4I4L4] (L = ligand), are particularly relevant for the development of multifunctional materials based on their luminescence stimuli-responsive properties. In this context, controlling and modulating their photophysical properties is crucial and this can only be achieved by thorough understanding of the origin of the optical properties. We thus report here, the comparative study of a series of cubane copper iodide clusters coordinated by different phosphine ligands, with the goal of analyzing the effect of the ligands nature on the photoluminescence properties. The synthesis, structural, and photophysical characterizations along with theoretical investigations of copper iodide clusters with ligands presenting different electronic properties, are described. A method to simplify the analysis of the 31P solid-state NMR spectra is also reported. While clusters with electron-donating groups present classical luminescence properties, the cluster bearing strong electron-withdrawing substituents exhibits original behavior demonstrating a clear influence of the ligands properties. In particular, the electron-withdrawing character induces a decrease in energy of the unoccupied molecular orbitals, that consequently impacts the emission properties. The modification of the luminescence thermochromic properties of the clusters are supported by density functional theory (DFT) calculations. This study demonstrates that the control of the luminescence properties of these compounds can be achieved through modification of the coordinated ligands, nevertheless the role of the crystal packing should not be underestimated.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.title.enEvaluation of ligands effect on the photophysical properties of copper iodide clusters
dc.typeArticle de revue
dc.identifier.doi10.1021/acs.inorgchem.7b03160
dc.subject.halChimie/Matériaux
bordeaux.journalInorganic Chemistry
bordeaux.page4328-4339
bordeaux.volume57
bordeaux.issue8
bordeaux.peerReviewedoui
hal.identifierhal-01787003
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01787003v1
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