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Graphene is the world's strongest, thinnest and most conductive material, made from carbon. Graphene's remarkable properties enable exciting new applications in electronics, solar panels, batteries, medicine, aerospace, 3D printing and more!

Recent Graphene News

Directa Plus’ graphene-based products certified as safe for human contact

Apr 29, 2016

Directa Plus logoDirecta Plus has announced that all of its graphene-based products have received international certification from Farcoderm, the renowned toxicity testing organization, confirming them to be safe for human contact. The company's products, such as GRAFYSORBER and PURE G+, were found to be not toxic, non skin corrosive, non eye irritant etc.

The company announced that it is pleased with these certifications and that the results confirm that its graphene-based products are safe for use.

Fuji Pigment announces graphene and carbon QD manufacturing process

Apr 29, 2016

Fuji Pigment recently announced the development of a large-scale manufacturing process for carbon and graphene quantum dots (QDs). QDs are usually made of semiconductor materials that are expensive and toxic, especially Cd, Se, and Pb. Fuji Pigment stated that its toxic-metal-free QDs exhibit a high light-emitting quantum efficiency and stability comparable to the toxic metal-based quantum dots.

Fuji Pigment's graphene QDs process image

Quantum yield of the carbon QDs currently exceeds 45%, and the company said it is still pursuing higher quantum efficiency. Quantum yield of the graphene quantum dot is over 80%. QD’s ability to precisely convert and tune a spectrum of light makes them ideal for TV displays, smartphones, tablet displays, LEDs, medical experimental imaging, bioimaging, solar cells, security tags, quantum dot lasers, photonic crystal materials, transistors, thermoelectric materials, various type of sensors and quantum dot computers.

Graphene-based heat dissipation film said to be close to pilot-scale production

Apr 29, 2016

Researchers at Chalmers University of Technology have developed an efficient way of cooling electronics by using functionalized graphene nanoflakes. This could come in handy as heat dissipation in electronics and optoelectronics is a major obstacle for the further development of systems in these fields.

According to the researchers, the method is a "golden key" with which to achieve efficient heat transport in electronics and other power devices by using graphene nanoflake-based film. This can open up potential uses of this kind of film in broad areas, and the team states that it is getting closer to pilot-scale production based on this discovery.

Hydrogen atoms magnetize graphene

Apr 29, 2016

Researchers at the Autonomous University of Madrid, in collaboration with CIC nanoGUNE and the Institut Néel of Grenoble, have demonstrated that the simple absorption of a hydrogen atom on a layer of graphene magnetizes a large region of it. As a result, by selectively manipulating these hydrogen atoms, it is possible to produce magnetic graphene with atomic precision.

Hydrogen atoms induce magnetism in graphene image

Graphene inherently lacks magnetic properties. The hydrogen atom has the smallest magnetic moment (the magnitude that determines how much and in what direction a magnet will exert force). This work reveals how when a hydrogen atom touches a graphene layer it transfers its magnetic moment to it. The researchers explain that in contraposition to more common magnetic materials such as iron, nickel or cobalt, in which the magnetic moment generated by each atom is located within a few tenths of a nanometre, the magnetic moment induced in the graphene by each atom of hydrogen extends several nanometres, and likewise displays a modulation on an atomic scale.

Smartphone with bendable graphene-based touch screen unveiled at Chinese tech fair

Apr 29, 2016

A Chinese company presented a fully bendable smartphone with a graphene-based screen during a trade show at Nanping International Conventional Center in Chongqing. The bendable touch display weighs 200g, and the smartphone can be worn around the wrist. The display is rumoured to be an OLED display with a diagonal of 5.2 inches.

There are no substantial details about the company behind the graphene smartphone and what the plans are to bring the graphene phone to market.

One-step graphene patterning method created

Apr 28, 2016

Researchers from the University of Illinois at Urbana-Champaign have developed a one-step method to pattern graphene by using stencil mask and oxygen plasma reactive-ion etching, and subsequent polymer-free direct transfer to flexible substrates.

1-step graphene patterning method

The researchers explain that despite progress made in the direct synthesis of large-area, uniform, high quality graphene films using chemical vapor deposition (CVD) with various precursors and catalyst substrates, the infrastructure requirements on post-synthesis processing, patterning and transfer for creating interconnects, transistor channels, or device terminals have slowed the implementation of graphene in a wider range of applications. This simple and scalable graphene patterning technique is based on a shadow mask technique that has been employed for contact metal deposition; Not only are these stencil masks easily and rapidly manufactured for iterative rapid prototyping, they are also reusable, enabling cost-effective pattern replication. Since this approach involves neither a polymeric transfer layer nor organic solvents, it can obtain contamination-free graphene patterns directly on various flexible substrates.

Graphene oxide device assists in monitoring cancer treatments

Apr 28, 2016

Researchers at the University of Michigan developed a graphene oxide-based device that could provide a non-invasive way to monitor the progress of an advanced cancer treatment. The device is able to capture cancer cells out of a blood sample and let them go later, enabling further tests that can show whether the therapy is successfully eliminating the most dangerous cancer cells.

GO-based device helps cancer tests image

The scientists explain that cells released into the bloodstream by tumors could be used to monitor cancer treatment, but they are very difficult to capture, accounting for roughly one in a billion cells. In their quest to develop technologies for capturing such cells from blood samples, they researchers designed devices that trapped the cells on chips made with graphene oxide, but all analysis had to be done on the chip because the cells were firmly adhered. However, it was found important to study cells individually, and this new device makes this possible.