Utilize este identificador para referenciar este registo: https://hdl.handle.net/1822/60831

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dc.contributor.authorFernandes, Marianapor
dc.contributor.authorFreitas, Vâniapor
dc.contributor.authorPereira, Sóniapor
dc.contributor.authorLeones, Ritapor
dc.contributor.authorSilva, Maria Manuelapor
dc.contributor.authorCarlos, Luís D.por
dc.contributor.authorFortunato, Elvirapor
dc.contributor.authorFerreira, Rute A. S.por
dc.contributor.authorRego, Rosapor
dc.contributor.authorBermudez, Verónica De Zeapor
dc.date.accessioned2019-07-10T10:23:28Z-
dc.date.available2019-07-10T10:23:28Z-
dc.date.issued2018-12-17-
dc.identifier.issn1996-1073-
dc.identifier.urihttps://hdl.handle.net/1822/60831-
dc.description.abstractTo address the challenges of the next generation of smart windows for energy-efficient buildings, new electrochromic devices (ECDs) are introduced. These include indium molybdenum oxide (IMO), a conducting oxide transparent in the near-infrared (NIR) region, and a NIR-emitting electrolyte. The novel electrolytes are based on a sol-gel-derived di-urethane cross-linked siloxane-based host structure, including short chains of poly (ε-caprolactone) (PCL(530) (where 530 represents the average molecular weight in g mol<sup>−1</sup>). This hybrid framework was doped with a combination of either, lithium triflate (LiTrif) and erbium triflate (ErTrif<sub>3</sub>), or LiTrif and bisaquatris (thenoyltrifluoroacetonate) erbium (III) ([Er(tta)<sub>3</sub>(H<sub>2</sub>O)<sub>2</sub>]). The ECD@LiTrif-[Er(tta)<sub>3</sub>(H<sub>2</sub>O)<sub>2</sub>] device presents a typical Er<sup>3+</sup> NIR emission around 1550 nm. The figures of merit of these devices are high cycling stability, good reversibility, and unusually high coloration efficiency (CE = ΔOD/ΔQ, where Q is the inserted/de-inserted charge density). CE values of −8824/+6569 cm<sup>2</sup> C<sup>−1</sup> and −8243/+5200 cm<sup>2</sup> C<sup>−1</sup> were achieved at 555 nm on the 400th cycle, for ECD@LiTrif-ErTrif<sub>3</sub> and ECD@LiTrif-[Er(tta)<sub>3</sub>(H<sub>2</sub>O)<sub>2</sub>], respectively.por
dc.description.sponsorshipThis research was funded by National Funds through the Foundation for Science and Technology (FCT) and by FEDER funds through the POCI-COMPETE 2020, Operational Programme Competitiveness and Internationalisation in Axis I: Strengthening research, technological development and innovation (FCT Ref. UID/QUI/00616/2013, POCI-01-0145-FEDER-007491, FCT Ref. UID/Multi/00709/2013), and LUMECD (POCI-01-0145-FEDER-016884 and PTDC/CTM-NAN/0956/2014).por
dc.language.isoengpor
dc.publisherMultidisciplinary Digital Publishing Institutepor
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147416/PTpor
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147255/PTpor
dc.relationPTDC/CTM-NAN/0956/2014por
dc.rightsopenAccesspor
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/por
dc.subjectpoly(epsilon-caprolatone)por
dc.subjectsiloxane hybridspor
dc.subjectsol-gelpor
dc.subjectlithium triflatepor
dc.subjecterbium triflatepor
dc.subjecterbium -diketonate complexpor
dc.subjectelectrochromic devicespor
dc.subjectNIR-transparent IMOpor
dc.subjectzero-energy buildingspor
dc.subjectPoly(ε-caprolatone)/siloxane hybridspor
dc.titleLuminescent electrochromic devices for smart windows of energy-efficient buildingspor
dc.typearticlepor
dc.peerreviewedyespor
oaire.citationIssue12por
oaire.citationVolume11por
dc.date.updated2019-04-11T11:07:15Z-
dc.identifier.doi10.3390/en11123513por
dc.description.publicationversioninfo:eu-repo/semantics/publishedVersionpor
dc.subject.wosScience & Technologypor
sdum.journalEnergiespor
oaire.versionVoRpor
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