In the recent years, graphene has most definitely been the most prominent research subject of nanotechnology. Composed of pure carbon, this astonishing material is ideally easy to produce: taking normal graphite and peeling a layer using a Scotch tape. The material obtained this way is two-dimensional, with distinctive characteristics, varying from those of three-dimensional materials.
Nanoscale holes in graphene (termed as "nanowindows") are different from the windows of a house, and can selectively choose the type of air molecules that can pass through.
Researchers have demonstrated a tunable optical phenomenon in graphene that could pave the way for a wide range of next-generation optical technology, according to a new report in the journal Nature Nanotechnology.
Graphene is one layer of carbon atoms organized in a hexagonal pattern, & due to its strength, transparency, conductivity, & flexibility, it could lead to more efficient solar cells, faster & smaller microchips, high-density batteries & capacitors, & transparent displays.
An international team of researchers led by Columbia University has developed a method to exploit the electrical conductivity of graphene with compression, taking the material a step closer to being a workable semiconductor for application in present-day electronic devices.
Light detection and regulation lies at the core of many advanced device applications, such as the camera found in a phone. With graphene as a light-sensitive material, light detectors can provide major improvements with regard to materials being used these days.
Researchers have discovered that adding salt to a supermolecular sponge & baked at a high temperature, the sponge is transformed into a carbon-based structure. The salt reacted with the supermolecular sponge in unique ways & transformed it from a homogeneous mass to a complex structure.
Although graphene has various properties—for instance, it is an exceptionally good conductor—it does not have the ability to optimally absorb light. In order to overcome this constraining feature of graphene, which is otherwise an amazing material, physicists chose to embed a graphene sheet within a flat photonic crystal, which efficiently controls the flow of light.
Soldiers have to see through airborne obscurants & detect the presence of toxins or other chemicals.To identify those chemicals, they employ infrared (IR) sensors and spectroscopy, which allow a particular color of light to shine at a specific frequency corresponding to each chemical.
A research team has been successful in using atomic force microscopy to attain images of separate impurity atoms in graphene ribbons. As a result of the forces measured in the graphene’s 2D carbon lattice, they could identify nitrogen and boron for the first time.
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