A new type of synthetic polymer has been developed that can change color in response to stimuli like temperature, light, and pH. This remarkable material could have a wide range of applications, from fashion to medical diagnostics.

This exciting development comes from researchers at the Institute of Polymer Science and Technology (ICTP), who have developed a color-changing polymer that can transition between different colors in response to different environmental stimuli. The polymer is composed of a long chain of monomers that contain azo dye molecules. When exposed to light, temperature, or pH changes, the polymer’s configuration changes, which causes the dye molecules to absorb light at different wavelengths and create different colors. This makes it possible for the polymer to shift from yellow to red, blue, or green.

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source: Phys.org