News tagged with graphene

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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Fighting the global water scarcity issue

According to the World Water Management Institute, over one-third of the human population is affected by water scarcity. If nothing is done to prevent it, an estimated 1.8 billion people will be living in ...

dateOct 30, 2014 in Earth Sciences
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Graphene sheets enable ultrasound transmitters

University of California, Berkeley, physicists have used graphene to build lightweight ultrasonic loudspeakers and microphones, enabling people to mimic bats or dolphins' ability to use sound to communicate ...

date19 hours ago in Nanomaterials
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Graphene nanoribbons as electronic switches

One of graphene's most sought-after properties is its high conductivity. Argentinian and Brazilian physicists have now successfully calculated the conditions of the transport, or conductance mechanisms, in ...

dateApr 08, 2014 in Nanophysics
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