Multispectral Photonic Structural Colors via Enhanced Interfacial Interference of Ultrathin Cellulose Nanofiber/MXene Films

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dc.contributor.authorPoliukhova, Valeriiaen
dc.contributor.authorDimitrov, Botyoen
dc.contributor.authorBrackenridge, Justinen
dc.contributor.authorKillingsworth, Laura Maeen
dc.contributor.authorRoslyk, Irynaen
dc.contributor.authorFitzpatrick, Jamesen
dc.contributor.authorGogotsi, Yuryen
dc.contributor.authorTsukruk, Vladimir V.en
dc.date.accessioned2026-04-08T08:28:10Z
dc.date.issued2025
dc.descriptionI. Roslyk: ORCID 0000-0002-7168-6623en
dc.description.abstractENG: The study reports novel photonic properties of Ti3C2Tx MXene flakes horizontally self-assembled within cellulose nanofiber (CNF) matrix exhibiting unique bright multispectral colors combined with overall high transparency in the transmission regime. The intense reflection colors are reflected by individual flakes acting as effective micromirrors with shifts based on their subsurface positioning within the dielectric layers. Unique color appearances are controlled by an interplay of multiple bandgaps formed by constructive and destructive interferences at flake-matrix interfaces. These colors manifest at the microscale under bright field optical microscopy, while the total physical film retains high transparency up to 85% and a typical greenish hue characteristic of the MXene content below 1% volume fraction. The diverse spectral appearance of 4 µm ultra-thin films is ultimately controlled by the positioning of the horizontal flakes within the nanofiber matrix at diverse distances from the top surface. This work expands the understanding of thin films with assembled 2D materials within polymer matrix and their fundamental interactions creating new structural coloration functionalities with the potential for multispectral photonic applications such as camouflaging, photothermal treatment, and optical communication for flexible thin bio-derived films.en
dc.description.sponsorshipGeorgia Institute of Technology, Atlanta, GA, USA; Drexel University, Philadelphia, PA, USA
dc.identifier.citationPoliukhova V., Dimitrov B., Brackenridge J., Killingsworth L. M., Roslyk I., Gogotsi Yu., Fitzpatrick J., Tsukruk V. V. Multispectral Photonic Structural Colors via Enhanced Interfacial Interference of Ultrathin Cellulose Nanofiber/MXene Films. Advanced Science. 2025. Vol. 12, Iss. 23. Art. 2500953. DOI: https://doi.org/10.1002/advs.202500953.en
dc.identifier.doihttps://doi.org/10.1002/advs.202500953en
dc.identifier.issn2198-3844 (Print)
dc.identifier.issn2198-3844 (Online)
dc.identifier.urihttps://advanced.onlinelibrary.wiley.com/doi/10.1002/advs.202500953en
dc.identifier.urihttps://crust.ust.edu.ua/handle/123456789/22002en
dc.language.isoen
dc.publisherJohn Wiley and Sons Inc, Germanyen
dc.rightsCreative Commons Attribution 4.0 International Licenseen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectcellulose nanofibersen
dc.subjectlayered compositeen
dc.subjectmultilayer thin film interferenceen
dc.subjectperiodic structural colorsen
dc.subjectTi3 C 2 Tx MXene flakesen
dc.subjectКПМ і ЗМuk_UA
dc.subject.classificationTECHNOLOGYen
dc.subject.classificationTECHNOLOGY::Materials scienceen
dc.titleMultispectral Photonic Structural Colors via Enhanced Interfacial Interference of Ultrathin Cellulose Nanofiber/MXene Filmsen
dc.typeArticleen

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