The Graphene-Info newsletter

Published: Thu, 08/01/13

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Graphene-Info newsletter August 2013

XG Sciences' CEO interview

Michigen based XG Sciences uses technology developed at Michigan State University to produce Graphene Nanoplatelets, or xGnPs. Those short stacks of graphene sheets made through a proprietary manufacturing process can be used to replace carbon nanotubes - at a lower cost.

We posted an interview with Michael Knox, the company's co-founder and CEO . Michael discusses XGS' technology, production facility, product offering, new Li-Ion materials and more. Michael also gave us his view on the graphene market and the current major challenges.

Interview with Garmor's Engineering VP

Garmor announced a couple of weeks ago that it will begin to start producing graphene oxide flakes next month using its low-cost environmentally-friendly production process.

Sean Christiansen, Garmor's VP of engineering has been kind enough to answer a few question regarding the company's business and technology. Click here to read this interesting interview.

Graphene used to cool electronic devices

Researchers from Sweden demonstrated how graphene can dissipate heat in silicon based electronics. The researchers placed a graphene sheet on an electronic device hot-spots which reduced the working temperature by 25%.

All electronic devices generate heat. The devices (processors, for example) include those hot-spots where the work is most intensive. These spots are small (on a micro or nano scale). In their experiment, the hotspots had a normal temperature of 55 to 115 degrees Celsius. The graphene layer reduced it by up to 13 degrees.

Back in 2011, it was discovered that graphene transistors have a nanoscale cooling effect that reduces their temperature. Graphene actually lowers the temperature of a transistor if it is attached to it. In April 2013 Grafoid signed a joint-venture development agreement with CapTherm Systems to develop and commercialize graphene-based multiphase thermal management systems.

China to launch 15" graphene transparent film production

China's Chongqing Morsh Technology is building a production line in Chongqing that will be used to produce 15" single-layer graphene films. They hope to start production by March 2014, and they already signed an agreement with Guangdong Zhengyang, an OGS maker to produce 10 million graphene based transparent conducting films (TCFs) in a year for the next five years. These films will be used to produce touch panels for mobile devices.

Chongqing Morsh was established by the Chongqing Institute of Green and Intelligent Technology. The company is buying graphene from Ningbo Morsh Technology, which was established by Shanghai Nanjiang in 2012 to produce graphene materials.

UK Universities to co-develop graphene energy storage devices

The University of Manchester and the University of Liverpool launched a new consortium to develop new graphene-based energy storage devices. The UK Engineering and Physical Sciences Research Council (EPSRC) granted £3.3 million ($5 million) to the new consortium.

As part of this project, the University of Manchester will build a new grid-scale energy storage test facility, that will also be made available to industrial partners. This will allow energy storage systems to be fully tested before widespread deployment. The new facility will be operational by 2014.

Top Graphene News

Grafoid raises $3.5 million
Private investors gave $3.5 million to Grafoid, which brings them a step closer to the consruction of their MesoGraf production facilities.

BGT shows Powerbooster's graphene touch panels
BlueStone posted a nice video showing the graphene-based touch panels in action. According to Powerbooster, they are already producing and selling around two million touch panels each month.

Brazil to open its first graphene lab in 2014
Sao Paulo's Universidad Presbiteriana Mackenzie decided to open a new center for graphene, nanomaterials and nanotechnology center. The MackGrafe will be open in H1 2014.

Water helps researchers create extremely thin GNRs
Researchers manage to fabricate long GNRs that are very thin (less than 10 nanometers wide) - using water as a lithography mask

Graphene slices through bacteria
New research demonstrated that graphene can kill bacteria by slicing through their membranes and pulling out their phospholipids. This may lead towards graphene antimicrobial band-aids.

IBM developed a graphene-based infrared detector
The new graphene-based infrared detector is driven by intrinsic plasmons. This new design proved to be much more photo-responsive compared to non-plasmonic graphene detectors.

Graphene-based fibers with 100% knot efficiency
Researchers from Rice University developed a new strong fiber material made from large graphene oxide flakes. What is unique about this new material is that when you tie a knot with it, the know it just as strong as the fiber.

MEMS sensors more sensitive with graphene
Researchers from Sweden developed piezoresistive sensors based on graphene membranes. They say that graphene increases the sensitivity of these MEMS sensors by up to 100 times while reducing the thickness.

http://www.graphene-info.com/graphene-based-optical-switchis-hundred-times-faster-current-switches-enable-faster

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