News tagged with quantum dots

Quantum dots are not dots: physicists

Researchers from the Quantum Photonics Group at DTU Fotonik in collaboration with the Niels Bohr Institute, University of Copenhagen surprise the scientific world with the discovery that light emission from ...

dateDec 21, 2010 in Nanophysics
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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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Electricity generating nano-wizards

Just as alchemists always dreamed of turning common metal into gold, their 19th century physicist counterparts dreamed of efficiently turning heat into electricity, a field called thermoelectrics. Such scientists had long ...

dateMay 18, 2015 in Nanophysics
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Many uses in researching quantum dots

It's easier to dissolve a sugar cube in a glass of water by crushing the cube first, because the numerous tiny particles cover more surface area in the water than the cube itself. In a way, the same principle applies to the ...

dateMay 04, 2015 in Nanophysics
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Shining a light on quantum dots measurement

Due to their nanoscale dimensions and sensitivity to light, quantum dots are being used for a number of bioimaging applications including in vivo imaging of tumor cells, detection of biomolecules, and measurement ...

dateJan 15, 2015 in Nanomaterials
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Ultrafast remote switching of light emission

Researchers from Eindhoven University of Technology can now for the first time remotely control a miniature light source at timescales of 200 trillionth of a second. They published the results on Sept. 2014 ...

dateSep 30, 2014 in Nanophysics
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