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Turning graphene into light nanosensors: Tuning the graphene embedded in a photonic crystal by varying the external temperature can transform it into a light-sensitive sensor

ScienceDaily   -   General News Websites

Graphene has many properties, but it does not absorb light very well. To remedy this, physicists resort to embedding a sheet of graphene in a flat photonic crystal. Scientists now demonstrate that by altering the temperature in such a hybrid cavit...

Apr 25, 2018

Turning graphene into light nanosensors

Phys.org   -   Scientific News Websites

Graphene has many properties; it is e.g. an extremely good conductor. But it does not absorb light very well. To remedy this limiting aspect of what is an otherwise amazing material, physicists resort to embedding a sheet of graphene in a flat pho...

Apr 25, 2018

Nanowires could make lithium ion batteries safer

ScienceDaily   -   General News Websites

From cell phones and laptops to electric vehicles, lithium-ion batteries are the power source that fuels everyday life. But in recent years, they have also drawn attention for catching fire. In an effort to develop a safer battery, scientists repo...

Apr 25, 2018

Watching nanomaterials form in 4-D: Novel technology allows researchers to see dynamic reactions as they happen at the nanoscale

ScienceDaily   -   General News Websites

A team has developed a new type of electron microscope that takes dynamic, multi-frame videos of nanoparticles as they form, allowing researchers to view how specimens change in space and time.

Apr 25, 2018

Nanowires could make lithium ion batteries safer

Phys.org   -   Scientific News Websites

From cell phones and laptops to electric vehicles, lithium-ion batteries are the power source that fuels everyday life. But in recent years, they have also drawn attention for catching fire. In an effort to develop a safer battery, scientists repo...

Apr 25, 2018

How to eliminate a graphene oxide 'oil spill' accident

Nanowerk   -   Nanotechnology Websites

Carbon nanomaterials, including graphene-based materials, are widely gaining popularity in practical applications of nanomanufacturing. As a result, it becomes more and more likely that the unwanted introduction of such materials into the environm...

Apr 25, 2018

Getting electrons to move in a semiconductor: Gallium oxide shows high electron mobility, making it promising for better and cheaper devices

ScienceDaily   -   General News Websites

Researchers have shown that a wide-bandgap semiconductor called gallium oxide can be engineered into nanometer-scale structures that allow electrons to move much faster within the crystal structure. With electrons that move with such ease, Ga2O3 c...

Apr 24, 2018

Biophysics -- lighting up DNA-based nanostructures

ScienceDaily   -   General News Websites

Biophysicists have used a new variant of super-resolution microscopy to visualize all the strands of a DNA-based nanostructure for the first time. The method promises to optimize the design of such structures for specific applications.

Apr 24, 2018

Lighting up DNA-based nanostructures

Phys.org   -   Scientific News Websites

Biophysicists from Ludwig-Maximilians-Universitaet (LMU) in Munich have used a new variant of super-resolution microscopy to visualize all the strands of a DNA-based nanostructure for the first time. The method promises to optimize the design of s...

Apr 24, 2018

Joining metals without welding

Phys.org   -   Scientific News Websites

Welding is still the standard technique for joining metals. However, this laborious process carried out at high temperatures is not suitable for all applications. Now, a research team from the "Functional Nanomaterials" working group at Kiel Unive...

Apr 24, 2018

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