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Graphene quantum dot LEDs

The first graphene quantum dot light-emitting diodes (GQD-LEDs), fabricated by using high-quantum-yield graphene quantum dots through graphite intercalation compounds, exhibit luminance in excess of 1,000 ...

dateJun 15, 2015 in Nanomaterials
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The trillion-frame-per-second camera

When a crystal lattice is excited by a laser pulse, waves of jostling atoms can travel through the material at close to one sixth the speed of light, or approximately 28,000 miles/second. Scientists now have ...

dateApr 29, 2015 in Optics & Photonics
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How many gold atoms make gold metal?

Researchers at the Nanoscience Center at the University of Jyväskylä, Finland, have shown that dramatic changes in the electronic properties of nanometre-sized chunks of gold occur in well-defined size ...

dateApr 10, 2015 in Nanomaterials
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