Volume 95 Issue 40 | p. 10 | News of The Week
Issue Date: October 9, 2017 | Web Date: October 5, 2017

Organic material sets luminescent record

Persistent glowing material could find applications in road paints and street signs
Department: Science & Technology
Keywords: photonics, luminescence

A new glow-in-the-dark organic material emits light for over an hour at room temperature when excited by ultraviolet or visible white light (Nature 2017, DOI: 10.1038/nature24010). The achievement is a new record, as other luminescent organic materials glow for at most a few minutes.

The new material’s long-lasting glow is an “extraordinary” finding, says photomaterials specialist Runfeng Chen of Nanjing University of Posts & Telecommunications, who was not involved in . . .

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