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14 March 2016Scalable structural color printing using pixelated nanostructures in RGB primary colors
Commercially available conventional color printing techniques mainly rely on patterning pigment-based pixels on a substrate. In recent years, structural colors have become increasingly important for their intrinsic advantages such as chemical stability, high resolution and color properties. However, to apply structural color pixels in printing color images for consumer-based demands remains a daunting challenge because such pixels usually require very high resolution patterning at a high speed and low cost. In this paper, we present novel color printing techniques based on micro-patterning of prefabricated nanostructure pixels in RGB primary colors. According to the micro-patterning techniques, the presented techniques are: a) solvent-free optical and thermal patterning of nanostructure pixels, b) photographic exposure through nanostructure color filters and c) inkjet printing of silver on nanostructures. These three presented techniques share some similar characteristics with popular conventional techniques, and can be considered as new-generation printing techniques evolved from their conventional counterparts. The preliminary results suggest that implementing the presented techniques, full-color images can be printed with much improved throughput than other nano-patterning techniques and imply these techniques can potentially be applied towards color production for general consumer use.
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Hao Jiang, Bozena Kaminska, "Scalable structural color printing using pixelated nanostructures in RGB primary colors," Proc. SPIE 9759, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics IX, 975906 (14 March 2016);