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Using transparent ink to print color images

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A team of researchers affiliated with a host of institutions in China has developed a new way to print color images using standard inkjet printers. In their paper published in the journal Science Advances, the group describes how they used a type of clear ink to produces dome-shaped microstructures on a glass plate that together render a color image.
Using transparent ink to print color images

Credit: Pixabay/CC0 Public Domain

Prior research has shown that many animals get their colors by producing microscopic structures that manipulate light, rather than through the use of dyes. In this new effort, the researchers in China have replicated this process using a transparent polymer and a standard inkjet printer.

The work by the team involved developing a way to deposit a clear polymer drop onto a glass plate in a manner that allowed for creating tiny domes which manipulated light in ways similar to that seen with animals such as peacocks. The process they came up with involved taking advantage of the…
Bob Yirka
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