Several companies in China are now commercializing graphene-based heating elements, embedded in wearable and other devices. Many such devices are now available, shipping globally via retailers such as Amazon and others.
A team of international researchers has made a graphene-based device that captures the real-time dynamics of a classic chemical reaction at the single molecule level. Developed at Peking University, UCLA and the Institute Chinese Academy of Sciences, the method could shed light on the mechanism of chemical and biological processes.
Researchers at MIT have developed a novel graphene-assisted method to convert temperature fluctuations into electrical power. Thermoelectric devices usually generate power when one side of the device is a different temperature from the other. In the team’s design, however, instead of requiring two different temperature inputs at the same time, the new system takes advantage of the swings in ambient temperature that occur during the day-night cycle.
A collaboration between Spanish research institutes—led by the nanoGUNE Cooperative Research Center (CIC)—has achieved a breakthrough in so-called molecular electronics by devising a way to connect magnetic porphyrin molecules to graphene nanoribbons. These connections may be an example of how graphene could enable the potential of molecular electronics.
Every year, millions of people around the world die from drinking unclean water. Now, researchers have developed a process that can purify water, no matter how dirty it is, in a single step. Scientists from Australian research organization CSIRO have created a filtration technique using a graphene film with microscopic nano-channels that lets water pass through, but stops pollutants. The process, called “Graphair”, is so effective that water samples from Sydney Harbor were safe to drink after being treated.
Scientists from the Australian Commonwealth Scientific and Industrial Research Organisation (CSIRO) have used their own type of graphene called “GraphAir” to develop a water filter membrane that is reportedly capable of making water from Sydney Harbor drinkable.
A team of international researchers has made a graphene-based device that captures the real-time dynamics of a classic chemical reaction at the single molecule level. Developed at Peking University, UCLA and the Institute Chinese Academy of Sciences, the method could shed light on the mechanism of chemical and biological processes.
Researchers of the ICN2 Nanobioelectronics and Biosensors Group led by Prof. Arben Merkoçi have devised a simple manufacturing method for versatile graphene oxide-based micromotors. Requiring no special equipment, it can be used to produce a range of micromotors that can be further tuned for different purposes. Luis Baptista-Pires explains the process in the paper published in Small.
Graphene photodetectors from Emberion Oy convert light to an electronic signal using graphene charge transducers combined with a nanocrystal light absorber. The photodetectors provide responsivity and low noise over a broad spectral range from VIS to NIR/SWIR wavelengths without cooling below room temperature. The full dynamic range is 160 dB, owing to the low noise and an unsaturated response.
Graphene is made commercially from graphite as multi layers of nanoplates. The highest quality graphene is monolayer however this is expensive to make. A new process has been developed that can make monolayer graphene with very high yield, all it takes is a drop of honey.