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August 5, 2008
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Conjugated polymers can change color and/or intensity when excited by light or electricity.
Conjugated polymers don't come in all colors of the rainbow, yet. The idea is to get the chemicals to change color and/or intensity when excited by light (left) or electric current.
Credit: The College of William and Mary
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
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Related story: The Choreography of Dancing Molecules