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Evaluation of low-voltage-driven multi-colored electrochromic device based on dry-deposited V2O5

hal.structure.identifierDepartment of Materials and Chemical Engineering
dc.contributor.authorSHIN, Dongwon
hal.structure.identifierDepartment of Materials and Chemical Engineering
dc.contributor.authorKIM, Jiseon
hal.structure.identifierDepartment of Materials and Chemical Engineering
dc.contributor.authorCHOI, Sungjun
hal.structure.identifierSK Hynix
dc.contributor.authorSONG, Giljoo
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorROUGIER, Aline
hal.structure.identifierDepartment of Materials and Chemical Engineering
dc.contributor.authorLEE, Caroline
dc.date.accessioned2023-11-20T17:27:35Z
dc.date.available2023-11-20T17:27:35Z
dc.date.issued2023
dc.identifier.issn0927-0248
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/185903
dc.description.abstractEnA V2O5 film fabricated by a nanoparticle deposition system (NPDS) was used to demonstrate a highly durable electrochromic device (ECD). The V2O5 film deposited on both the electrodes functioned as a complementary layer during the redox reaction to balance the charge inside the device. Thereby, it mitigated the load applied to the ECD by enabling its electrochromic reaction within the range of ±1 V. The fabricated ECD showing different colors at opposite voltages were applied to both the electrodes. Meanwhile, a TiO2-based opaque electrolyte was used to show different colors of V2O5 thin films independently. The fabricated ECD can display three colors: yellow, green, and blue. Furthermore, each color variation is completed within 10 s. According to the International Commission on Illumination (CIE) data, the color differences (ΔE) between yellow and green, green and blue, and yellow and blue were measured to be approximately 27, 17, and 44, respectively. Meanwhile, the fabricated ECD showed almost a similar level of electrochromic performance even after 500 repeated runs. Moreover, the charge capacity of the ECD after a 10,000-cycle cyclic voltammetry (CV) analysis was 49.01 mC/cm 2 (the initial charge capacity was measured to be 47.31 mC/cm 2). This verified the high durability of the device. Thus, an ECD capable of coloration under a low voltage range of ± 1 V was fabricated 2 using a dry deposition method with a TiO2-based opaque electrolyte, to vividly display different colors at both sides of the device simultaneously. The unique device can independently display different colors on both the electrodes. The dry deposition method was applied to deposit an identical V2O5 electrochromic film on the electrodes and an opaque electrolyte. The device has potential applications in functional electrochromic displays.
dc.language.isoen
dc.publisherElsevier
dc.subject.enElectrochromic device
dc.subject.enVanadium oxide
dc.subject.enOpaque gel electrolyte
dc.subject.enMulti-color chromic
dc.subject.enDry deposition
dc.title.enEvaluation of low-voltage-driven multi-colored electrochromic device based on dry-deposited V2O5
dc.typeArticle de revue
dc.identifier.doi10.1016/j.solmat.2023.112341
dc.subject.halChimie/Matériaux
bordeaux.journalSolar Energy Materials and Solar Cells
bordeaux.page112341
bordeaux.volume257
bordeaux.hal.laboratoriesInstitut de Chimie de la Matière Condensée de Bordeaux (ICMCB) - UMR 5026*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-04164870
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04164870v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Solar%20Energy%20Materials%20and%20Solar%20Cells&rft.date=2023&rft.volume=257&rft.spage=112341&rft.epage=112341&rft.eissn=0927-0248&rft.issn=0927-0248&rft.au=SHIN,%20Dongwon&KIM,%20Jiseon&CHOI,%20Sungjun&SONG,%20Giljoo&ROUGIER,%20Aline&rft.genre=article


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