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Cu-doped and un-doped WO3 photochromic thin films

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBADOUR, Yazan
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDANTO, Sylvain
hal.structure.identifierPlateforme Aquitaine de Caractérisation des Matériaux [PLACAMAT]
dc.contributor.authorLABRUGÈRE, Christine
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDUTTINE, Mathieu
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGAUDON, Manuel
dc.date.issued2022
dc.identifier.issn0361-5235
dc.description.abstractEnIn this work, 0%, 0.5%, 1%, and 2% Cu-doped WO3 nanoparticles were synthesized via a polyol method. The as-synthesized materials were characterized by x-ray diffraction, scanning electron microscopy (SEM), electron paramagnetic resonance (EPR), x-ray photoelectron spectroscopy (XPS), and UV-Vis photochromic activity. A bond valence model was adopted to explain the relationship between the lattice parameter and Cu percentage. Additionally, two films (1% Cu-doped and un-doped samples) obtained by dip-coating from a well-dispersed suspension were optically investigated using ex situ and in situ UV-Vis spectrometry; coloring/bleaching kinetics were thoroughly studied. The Cu-doped WO3 film was found to have a high-quality bleaching mechanism (five times as fas as the un-doped WO3 film). Finally, the high bleaching performance of the doped films was confirmed by successive cycling, showing that the as-prepared compounds are of great interest for smart window applications, for example.
dc.description.sponsorshipUniversity of Bordeaux Graduate Scholl in Light Sciences & Technologies - ANR-17-EURE-0027
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers
dc.title.enCu-doped and un-doped WO3 photochromic thin films
dc.typeArticle de revue
dc.identifier.doi10.1007/s11664-021-09389-3
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Electronic Materials
bordeaux.page1555-1567
bordeaux.volume51
bordeaux.issue4
bordeaux.peerReviewedoui
hal.identifierhal-03577741
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03577741v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Electronic%20Materials&rft.date=2022&rft.volume=51&rft.issue=4&rft.spage=1555-1567&rft.epage=1555-1567&rft.eissn=0361-5235&rft.issn=0361-5235&rft.au=BADOUR,%20Yazan&DANTO,%20Sylvain&LABRUG%C3%88RE,%20Christine&DUTTINE,%20Mathieu&GAUDON,%20Manuel&rft.genre=article


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