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Polyol synthesis of Ti-V2O5 nanoparticles and their use as electrochromic films

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorSALEK, Guillaume
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBELLANGER, Brice
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMJEJRI, Issam
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGAUDON, Manuel
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorROUGIER, Aline
dc.date.issued2016
dc.identifier.issn0020-1669
dc.description.abstractEnHerein, the successful synthesis of Ti-doped vanadium pentoxide from a polyol process is reported. A high Ti concentration (up to 8.5 mol % of the total metallic content) can be inserted in vanadium oxide thanks to the synthesis route leading to nanometric crystallites. X-ray diffraction patterns were refined showing the insertion of the titanium ions inside the free pentacoordinated sites in opposition to the vanadium square pyramidal sites. This crystal organization was shown in good agreement with the ab initio positioning performed from valence calculation. The nanoparticles, NPs, of Ti-doped V2O5 compounds were characterized as electrochromic materials. Films elaborated from a dip-coating process from oxide particle suspensions exhibited three distinct colorations during the redox cycling in lithium-based electrolyte. These colors were associated with three distinct oxidation states for the vanadium ions: +III (blue), +IV (green), and +V (orange). The morphology of the films was shown to drastically impact the electrochromic performances in terms of electrochemical capacity and stability.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enPseudobrookite
dc.subject.enPhase Diagram
dc.subject.enX-Ray Diffraction
dc.subject.enPigment
dc.title.enPolyol synthesis of Ti-V2O5 nanoparticles and their use as electrochromic films
dc.typeArticle de revue
dc.identifier.doi10.1021/acs.inorgchem.6b01662
dc.subject.halChimie/Matériaux
dc.subject.halChimie/Chimie inorganique
bordeaux.journalInorganic Chemistry
bordeaux.page9838 - 9847
bordeaux.volume55
bordeaux.issue19
bordeaux.peerReviewedoui
hal.identifierhal-01391268
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01391268v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Inorganic%20Chemistry&rft.date=2016&rft.volume=55&rft.issue=19&rft.spage=9838%20-%209847&rft.epage=9838%20-%209847&rft.eissn=0020-1669&rft.issn=0020-1669&rft.au=SALEK,%20Guillaume&BELLANGER,%20Brice&MJEJRI,%20Issam&GAUDON,%20Manuel&ROUGIER,%20Aline&rft.genre=article


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