Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/55140

TitleDyed poly (styrene-methyl methacrylate-acrylic acid) photonic nanocrystals for enhanced structural color
Author(s)Yavuz, Gonul
Felgueiras, Helena Prado
Ribeiro, Ana Isabel Ferreira
Seventekin, Necdet
Zille, Andrea
Souto, A. Pedro
KeywordsPhotonic crystal
Textile fabric
Iridescence
Dyestuff
Polyamide coating
Issue date20-Jun-2018
PublisherAmerican Chemical Society
JournalACS Applied Materials and Interfaces
Abstract(s)In the present work, we investigated the combined effect of poly (styrene-methyl methacrylate-acrylic acid) [P(St-MMA-AA)] PCs with the disperse dye C.I. Disperse Red 343, on the photonic crystals (PCs) shape, distribution, organization, iridescence, chemical structure, thermal stability and reflectance. PCs were successfully produced in the form of highly spherical, monodisperse colloidal structures. Presence of dye in the PCs inner core-shell structure was confirmed via Fourier-transformed infrared spectroscopy. The PCs brightness and iridescent effect was enhanced by the presence of the dyestuff, which also promoted the self-assembly of the colloidal nanospheres in the form of arrays. The P(St-MMA-AA) PCs thermal stability did not alter with the introduction of the dye. In a side experiment, dyed PCs were also coated onto dyed polyamide fabrics. Data reported successful coating of the textile fabric and an improvement of its reflectance. Fabric immobilization fostered the self-assembling of the dyed colloidal nanospheres in the form of well-organized face-centered cubic, closed-packed arrays. This is the simplest and most energy favorable organization for PCs. The combination of disperse dyes with PCs is a very recent and challenging idea and could open new ways to understand the influence the PCs photonic-band structure may exert on the photoluminescence properties of the dyes embedded in the PCs inner space, and vice-versa.
TypeArticle
URIhttp://hdl.handle.net/1822/55140
DOI10.1021/acsami.8b03003
ISSN1944-8244
e-ISSN1944-8252
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:DET/2C2T - Artigos em revistas internacionais com arbitragem científica

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