Opalux’s P-Ink material represents a revolutionary step forward in display technology, offering the ability to reflect bright and vivid colors spanning the visible spectrum. By applying low power electric pulses, the color of this Photonic Color-based material can be selected at will, with the resulting electrically bi-stable color states requiring no power to maintain. It can be coated onto rigid and flexible substrates in scale, highlighting its potential to drive the development of bendable form factors for displays.
In the present article, the platform known as the Photonic Nose is presented as a versatile sensing concept for analysis of
both liquid and vapor phase samples. By use of photonic crystal structures known as Bragg stacks with Bragg diffraction
peaks within visible wavelengths, sensing events can be easily monitored by use of a digital camera to register color
changes resulting from infiltration of analytes. We demonstrate the discrimination between pure solvent atmospheres,
bacteria headspace as well as aqueous amine solutions as case examples of the variety of samples that can be analyzed
with the platform.
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