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Research from Tsukruk and Bunning Published in Chemical and Engineering News
Photonic thin films—in which ordered nanostructures interact with light to produce color—can be used to make lightweight and flexible color filters, sensors, display components, and more. But ensuring that the nanocrystals within them align uniformly to produce well-defined color can be difficult and time consuming. Casting such a film in a dish, for example, can take weeks and still result in poorly controlled nanostructures and colors. Now, Vladimir Tsukruk and colleagues at the Air Force Research Lab and Kent State University have developed a capillary-based method that makes highly ordered photonic thin films in a matter of hours.