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Dual-Layer Nanofilms via Mussel-Inspiration and Silication for Non-Iridescent Structural Color Spectrum in Flexible Displays
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2019 (English)In: ACS Applied Nano Materials, ISSN 2574-0970, Vol. 2, no 7, p. 4556-4566Article in journal (Refereed) Published
Abstract [en]

Noniridescent structural colors are superior in photostability and energy efficiency as compared to pigments and bioluminescence counterparts. However, it is challenging to facilely and massively fabricate nanofilms with noniridescent structural colors spanning the full spectrum of visible light. Here, a one-pot synthesis strategy is demonstrated to prepare free-standing dual-layer nanofilms with different refractive indices in each layer via a combination of mussel-inspiration and silication at the air/water interface. XPS, 2D GISAXS, and ellipsometry were used to verify the dual-layer but interface-free structure with different refractive indices. Moreover, the full spectrum of noniridescent structural colors has been achieved by precisely tailoring the film thickness of each layer through regulating the kinetics of the two reactions. This strategy offers flexibility for further on-demand patterning because of the self-sealing property of the dual-layer nanofilms, which has great application potentials in flexible displays and sensors.

Place, publisher, year, edition, pages
American Chemical Society , 2019. Vol. 2, no 7, p. 4556-4566
Keywords [en]
mussel-inspiration, nanofilms, one-pot synthesis, silication, structural color spectrum
National Category
Theoretical Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-263281DOI: 10.1021/acsanm.9b00909ISI: 000477917700058Scopus ID: 2-s2.0-85068459519OAI: oai:DiVA.org:kth-263281DiVA, id: diva2:1367859
Note

QC 20191105

Available from: 2019-11-05 Created: 2019-11-05 Last updated: 2019-11-05Bibliographically approved

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Roth, Stephan V.

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  • apa
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