A future for light-powered wireless connectivity, thanks to graphene
Researchers show a graphene plasmonic phase modulator that is capable of tuning the phase between 0 and 2π in situ.
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Entries by John Are Beukes
Graphene for batteries, supercapacitors and other energy storage
Graphene currently is the most studied material on the planet – this is especially true for charge storage and the results from many laboratories confirm its potential to change today’s energy-storage landscape. Specifically, graphene could present several new features for energy-storage devices, such as smaller capacitors, completely flexible and even rollable energy-storage devices, transparent batteries, […]
Thermal Diffusivity Mapping of Graphene Based Polymer Nanocomposites
Nanoparticle dispersion is widely recognised as a challenge in polymer nanocomposites fabrication. The dispersion quality can affect the physical and thermomechanical properties of the material system. Qualitative transmission electronic microscopy, often cumbersome, remains as the ‘gold standard’ for dispersion characterisation. However, quantifying dispersion at macroscopic level remains a difficult task.
Graphene: the miracle material?
Just 13 years since graphene was first isolated, it’s being added to everything from tennis rackets to million-dollar watches.
Graphene on silicon carbide can store energy
By introducing defects into the perfect surface of graphene on silicon carbide, researchers have increased the capacity of the material to store electrical charge. This result increases our knowledge of how this ultrathin material can be used.
Graphene Sliding on Graphene
Creating a bulge in a graphene sheet offers the first measurement of the shear forces between graphene layers, an essential factor in many graphene-based devices.
Researchers develop a graphene device controlled by static electricity
A research team has developed a technology that can control graphene electronic device through static electricity. The team has developed a gate that utilizes the graphene electrostatic phenomenon; Static electricity that occurs from friction is trapped inside of a lower board and serves as a gate.
A high-resolution transfer printing method for graphene inks
Researchers have demonstrated here a transfer printing method based on a hydrophobic mold suitable for high-resolution patterning of graphene inks.
Graphene electrodes key to burgeoning electronic field
An international team of researchers have found a new way to tune the functionality of next-generation electronic devices – using graphene electrodes.
Graphene/cellulose nanofiber hybrid sensor to efficiently detect alcohol
A group of researchers has developed a graphene-bacterial cellulose nanofiber (GC/BCN) hybrid sensor to detect alcohol (ethanol) with great efficiency. The sensor was described as flexible, transparent, highly sensitive and with an excellent alcohol recognition performance. Electrical tests in different liquid environments were performed, with remarkable results.