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首页> 外文期刊>Langmuir: The ACS Journal of Surfaces and Colloids >Rapid and Tunable Method To Fabricate Angle-Independent and Transferable Structurally Colored Films
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Rapid and Tunable Method To Fabricate Angle-Independent and Transferable Structurally Colored Films

机译：快速和可调谐的方法，用于制造角度无关和可转移的结构上色薄膜

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摘要

The assembly of monodisperse particles into colloidal arrays that diffract visible light through constructive interference is of considerable interest due to their resilience against color fading. In particular, noniridescent structurally colored materials are promising as a means of coloration for paints, inks, cosmetics, and displays because their color is angle independent. A rapid and tunable assembly method for producing noniridescent structurally colored colloidal-based materials that are pliable after fabrication is described. Structurally colored particle arrays were fabricated by centrifuging highly charged silica particles suspended in deionized water. By tuning the particle diameter, the colors displayed by the arrays spanned the visible spectrum while retaining angle independent structural color. The color of centrifuged colloids of a single particle diameter was precisely controlled within 50 nm by modulating the particle concentration. The peak wavelength diffracted by the material was further tuned by altering the centrifugal rate and assembly time. Centrifugation assembly of particles in a polymer solution also produces noniridescent colloidal films, and the control of their color is reported. Together, these results offer design considerations for the centrifugation-based assembly of colloidal films with tunable structural color that are transferable after fabrication and are angle independent.
机译：单分散颗粒的组装成衍射通过建设性干扰的可见光的可见光，这引起了相当大的兴趣，因为它们的弹性抗褪色。特别地，非思光结构上色材料是有前途的涂料，油墨，化妆品和显示器的着色手段，因为它们的颜色是独立的角度。描述了一种快速和可调​​谐的组装方法，用于制造在制造后柔韧的非思光结构上色胶体基材料。通过将高度电荷的二氧化硅颗粒悬浮在去离子水中的高度电荷的二氧化硅颗粒中，制造了结构上色的颗粒阵列。通过调节粒径，阵列显示的颜色跨越可见光谱，同时保持角度无关的结构颜色。通过调节颗粒浓度，精确地控制离心胶体的单个粒径的颜色在50nm内。通过改变离心速率和组装时间，进一步调整由材料衍射的峰值波长。在聚合物溶液中的颗粒的离心组装也产生非潮胶体膜，并报告其颜色的控制。这些结果在一起，提供了具有可调谐结构颜色的离心胶片组装的设计考虑因素，可调结构颜色在制造后可转移并且是独立的角度。

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