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A dual band electrochromic device switchable across four distinct optical modes

hal.structure.identifierFondazione Istituto Italiano di Tecnologia, Center for Biomolecular Nanotechnologies [IIT-CBN]
dc.contributor.authorBARAWI, Mariam
hal.structure.identifierFondazione Istituto Italiano di Tecnologia, Center for Biomolecular Nanotechnologies [IIT-CBN]
dc.contributor.authorVERAMONTI, Giulia
hal.structure.identifierIstituto per la Microelettronica e i Microsistemi [Lecce] [IMM]
dc.contributor.authorEPIFANI, Mauro
hal.structure.identifierFondazione Istituto Italiano di Tecnologia, Center for Biomolecular Nanotechnologies [IIT-CBN]
dc.contributor.authorGIANNUZZI, Roberto
hal.structure.identifierInstitute of Crystallography [CNR-IC]
dc.contributor.authorSIBILLANO, Teresa
hal.structure.identifierInstitute of Crystallography [CNR-IC]
dc.contributor.authorGIANNINI, Cinzia
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorROUGIER, Aline
hal.structure.identifierFondazione Istituto Italiano di Tecnologia, Center for Biomolecular Nanotechnologies [IIT-CBN]
dc.contributor.authorMANCA, Michele
dc.date.issued2018
dc.identifier.issn2050-7488
dc.description.abstractEnThe paper reveals a dual-band electrochromic device capable of selectively controlling the transmitted sunlight in the visible and near-infrared regions. It exploits the peculiar spectro-electrochemical features of vanadium-modified titanium oxide colloidal nanocrystals, which exhibit a distinctive electrochromic response at visible wavelengths upon the application of a small cathodic potential. They have been used as an active electrode in a sandwich cell in combination with a nanocrystalline tungsten oxide layer, which indeed allows selective control over the incoming near-infrared radiation at low applied potentials, until turning into a deep blue colored coating at higher potentials. These two coatings have been conveniently combined to realize an electrochromic device capable of separately operating over four different optical regimes, namely, fully transparent, VIS blocking, NIR blocking, and VIS + NIR blocking. Great benefits are anticipated in the field of glazing elements for buildings and transportation, where the solution proposed here may pave the way for the implementation of a novel class of “zero-energy” smart windows that self-adapt to both external climatic conditions and interior visual and thermal comfort requirements.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.title.enA dual band electrochromic device switchable across four distinct optical modes
dc.typeArticle de revue
dc.identifier.doi10.1039/C8TA02636J
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Materials Chemistry A
bordeaux.page10201-10205
bordeaux.volume6
bordeaux.issue22
bordeaux.peerReviewedoui
hal.identifierhal-01819325
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01819325v1
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