Por favor, use este identificador para citar o enlazar este ítem: http://repositoriodigital.ipn.mx/handle/123456789/10920
Título : Colloidal Photonic Crystal Pigments with Low Angle Dependence
Palabras clave : colloidal photonic crystals
synthetic opals
powder pigments
structural color
Fecha de publicación : 16-ene-2013
Descripción : Poly(methyl methacrylate) (PMMA)-based colloidal photonic crystals have an incomplete photonic band gap (PBG) and typically appear iridescent in the visible range. As powders, synthetic PMMA opals are white, but when infiltrated with carbon black nanoparticles, they exhibit a well-defined color that shows little dependence on the viewing angle. The quantity of black pigment determines the lightness of the color by controlling scattering. The combined effects of internal order within each particle and random orientation among the particles in the powder are responsible for this behavior. These pigments were employed as paints, using a mixture of polyvinyl acetate as a binder and deionized water as the solvent, and were applied to wood and paper surfaces for color analysis.
URI : http://www.repositoriodigital.ipn.mx/handle/123456789/10920
Otros identificadores : VOL. 2 • NO. 11 • 3257–3262 • 2010
Aparece en las colecciones: Doctorado

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