RGB-to-black multicolor electrochromic devices enabled with viologen functionalized polyhedral oligomeric silsesquioxanes
DC Field | Value | Language |
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dc.contributor.author | Pande, G.K. | - |
dc.contributor.author | Heo, J.S. | - |
dc.contributor.author | Choi, J.H. | - |
dc.contributor.author | Eom, Y.S. | - |
dc.contributor.author | Kim, J. | - |
dc.contributor.author | Park, Sung Kyu | - |
dc.contributor.author | Park, J.S. | - |
dc.date.accessioned | 2021-07-22T06:53:04Z | - |
dc.date.available | 2021-07-22T06:53:04Z | - |
dc.date.issued | 2021-09-15 | - |
dc.identifier.issn | 1385-8947 | - |
dc.identifier.issn | 1873-3212 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/47744 | - |
dc.description.abstract | Here we demonstrate multicolor electrochromic transitions of viologen functionalized polyhedral oligomeric silsesquioxanes (POSS-viologens). Highly efficient RGB coverage, including black, was successfully achieved with POSS-viologen employed multi-stacked electrochromic devices (ECDs). We prepared octa-viologen functionalized POSS (OHV-POSS) with the insertion of thiophene (OTxHV-POSS) and phenyl (OPhHV-POSS) moiety. The single-layer ion gel ECDs exhibited outstanding electrochromic performances. OTxHV-POSS and OHV-POSS showed red (R) and blue (B) transitions, respectively, with high transmittance changes and superb coloration efficiency. Saturated green (G) was also obtained from the mixture of OPhHV-POSS and OHV-POSS. Furthermore, multi-stacked ECDs were implemented by combining the RGB coloration layers with multiple electrodes. The two-layer ECDs generated intermediate colors, which was fully translated into the color mixing theory. The three-layer device created real black with blackness L∗ of 6.99, covering 12.9% of the NTSC color gamut. The unprecedented RGB-to-black multicolor coverage, not reported elsewhere, is attributable to the reversible color-switching at a low redox potential for extended cyclic operations. Current findings imply that carefully designed POSS-viologens offer a universal route to high-performance and stable multicolor ECDs, offering compatibility with various pixelized color-changing displays and smart windows. © 2021 Elsevier B.V. | - |
dc.language | 영어 | - |
dc.language.iso | ENG | - |
dc.publisher | Elsevier B.V. | - |
dc.title | RGB-to-black multicolor electrochromic devices enabled with viologen functionalized polyhedral oligomeric silsesquioxanes | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.cej.2021.130446 | - |
dc.identifier.bibliographicCitation | Chemical Engineering Journal, v.420 | - |
dc.description.isOpenAccess | N | - |
dc.identifier.wosid | 000663707300004 | - |
dc.identifier.scopusid | 2-s2.0-85107641766 | - |
dc.citation.title | Chemical Engineering Journal | - |
dc.citation.volume | 420 | - |
dc.type.docType | Article | - |
dc.publisher.location | 스위스 | - |
dc.subject.keywordAuthor | Electrochromic device | - |
dc.subject.keywordAuthor | Multi-stacked | - |
dc.subject.keywordAuthor | Multicolor coverage | - |
dc.subject.keywordAuthor | Polyhedral oligomeric silsesquioxane | - |
dc.subject.keywordAuthor | RGB-to-black | - |
dc.subject.keywordAuthor | Viologen | - |
dc.subject.keywordPlus | IONIC LIQUID | - |
dc.subject.keywordPlus | NANOCOMPOSITES | - |
dc.subject.keywordPlus | ELECTROLYTE | - |
dc.subject.keywordPlus | DERIVATIVES | - |
dc.subject.keywordPlus | CONTRAST | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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