Nano structured surfaces for non-fading color effects / Amol Mulaijkar in PAINTINDIA, Vol. LXVII, N° 4 (04/2017)  

[article]  inPAINTINDIA > Vol. LXVII, N° 4 (04/2017) . - p. 57-68 Titre : Nano structured surfaces for non-fading color effects Type de document : texte imprimé Auteurs : Amol Mulaijkar, Auteur Année de publication : 2017 Article en page(s) : p. 57-68 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Couleur -- Analyse Optique Revêtements:Peinture Index. décimale : 535.6 Couleur Résumé : In recent years, structural colors have attracted great attention in a wide variety of research fields. This is because they are originated from complex interaction between light and sophisticated nanostructures generated in the natural world. In addition, their inherent regular structures are one of the mort conspicuous examples of non-equilibrium order formation. Structural colors are deeply connected with recent rapidly growing fields of photon ics and have been extensively studied to clarify their peculiar optical phenomena. Their mechanisms are, in principle, of a purely physical origin, which differs considerably from the ordinary coloration mechanisms such as in pigments, dyes and metals, where the colors are produced by virtue of the energy consumption of light. It is generally recognized that structural colors are mainly based on several elementary optical processes including thin-layer interference, diffraction grating, light scattering, and photonic crystals and so on. However, in nature, these processes are somehow mixed together to produce complex optical phenomena. In many cases, they are combined with the irregularity of the structure to produce the diffusive nature of the reflected light, while in some cases they are accompanied by large-scale structures to generate the macroscopic effect on the coloration. Further, it is well known that structural colors cooperate with pigmentary colors to enhance or to reduce the brilliancy and to produce special effects. Thus, structure-based optical phenomena in nature appear to be quite multi-functional, the variety of which is far beyond our understanding. Note de contenu : - TYPICAL OPTICAL PROCESSES PRODUCING STRUCTURAL COLORS : a. Thin film interference - b. Multilayer interference - c. Photonic crystals - PRINCIPLE : Principles of iridescence - MECHANISMS : a. Fixed structures - b. Diffraction grating - c. Photonic crystals - d. Selective mirrors - e. Crystal fibres - g. Spiral coils - h. Surface gratings - i. Variable structure - FABRICATION OF NANO SIZED COLOR-PRODUCING PART : Replica method - RECENT PROGRESS FOR INDUSTRIAL APPLICATIONS - APPLICATION IN PAINTS AND COATINGS En ligne : https://drive.google.com/file/d/1oi_lGjAoCQ6y6SBwuKhnAQdnjzxaJjxX/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28454 [article]

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