Durability and rejuvenation of electrochromic tungsten oxide thin films in LiClO4-propylene carbonate viscous electrolyte: Effect of Ti doping of the film and polyethylene oxide addition to the electrolyte

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dc.authoridBayrak Pehlivan, Ilknur/0000-0002-4362-6148
dc.authoridSORAR, IDRIS/0000-0002-1082-7576
dc.contributor.authorSorar, Idris
dc.contributor.authorAtak, Gamze
dc.contributor.authorPehlivan, Ilknur Bayrak
dc.contributor.authorGranqvist, Claes G.
dc.contributor.authorNiklasson, Gunnar A.
dc.date.accessioned2024-09-18T20:16:45Z
dc.date.available2024-09-18T20:16:45Z
dc.date.issued2023
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractTungsten oxide and titanium doped tungsten oxide thin films, deposited by sputtering, were immersed in a viscous electrolyte comprised of LiClO4 in propylene carbonate and 2.0 wt% of polyethylene oxide (PEO). Electrochromic properties of the films were investigated by electrochemical techniques and in situ transmittance measurements. Cyclic voltammetry data were taken in the voltage ranges 2.0-4.0 and 1.5-4.0 V vs Li/Li+ for up to 500 cycles. A potentiostatic rejuvenation treatment was then performed on the degraded electrochromic films, at 6.0 V for 20 h, which was subsequently followed by another cyclic voltammetry measurement. Titanium incorporation into tungsten oxide resulted in a small cyclic stability improvement in the 2.0-4.0-V range, whereas less pronounced effects were observed for cycling in the 1.5-4.0-V range. Combining the results of the present study with our previous work, we are able to assess the relative merits of titanium incorporation and PEO addition to the electrolyte for the durability of electrochromic tungsten oxide thin films. Titanium addition was found advantageous for electrochemical durability in the 2.0-4.0-V range, but no clear benefits of PEO in the electrolyte were seen. On the other hand, in the wider 1.5-4.0-V range, tungsten oxide exhibited better durability than titanium-containing films, and this was especially so after rejuvenation in the PEO-containing electrolyte.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TBITAK); Swedish Research Council; [VR- 2016-03713]en_US
dc.description.sponsorshipIS thanks the Scientific and Technological Research Council of Turkey (TBITAK) for financial support to work at Uppsala University. Financial support from the Swedish Research Council (contract VR- 2016-03713) is gratefully acknowledged.en_US
dc.identifier.doi10.1016/j.solidstatesciences.2023.107127
dc.identifier.issn1293-2558
dc.identifier.issn1873-3085
dc.identifier.scopus2-s2.0-85148330993en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.solidstatesciences.2023.107127
dc.identifier.urihttps://hdl.handle.net/20.500.12483/9725
dc.identifier.volume137en_US
dc.identifier.wosWOS:000945964500001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofSolid State Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectElectrochromismen_US
dc.subjectTungsten oxideen_US
dc.subjectTitanium oxideen_US
dc.subjectElectrolyteen_US
dc.subjectElectrochemical degradationen_US
dc.subjectPotentiostatic rejuvenationen_US
dc.subjectDynamic glazingen_US
dc.titleDurability and rejuvenation of electrochromic tungsten oxide thin films in LiClO4-propylene carbonate viscous electrolyte: Effect of Ti doping of the film and polyethylene oxide addition to the electrolyteen_US
dc.typeArticleen_US

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