Definition of "polyfluorene" []

• Any of a class of electroluminescent aromatic polycyclic hydrocarbons consisting of many fluorene units attached end-to-end (noun)

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• "In mid-2010, Dr Turnbull and his team developed laser technology able to sense hidden explosives by "pumping" a type of plastic called polyfluorene with photons from another light source."
• "The laser sensor, developed by physicists from the University of St Andrews in Fife, Scotland, relies on the fact that when a type of plastic called polyfluorene is "pumped" with photons of light from a light source it emits laser light."
• "Graham Turnbull, a physicist at the University of St Andrew's in Fife, UK, and colleagues have developed a device that uses a film of polyfluorene, a plastic that emits laser light when bathed in photons."