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GRAPHENE NEWS
Graphene-Laced Silly Putty Creates Sensors DUBLIN, Dec. 19, 2016 — By infusing silly putty (polysilicone) with graphene, researchers have produced an extremely sensitive sensor they call “G-putty.” They found that when the graphene was added, the silly putty was able to conduct electricity and became very sensitive to deformation and impact.
1.3-nm Photodetector Can Generate More Current Than Thicker Devices DAEJEON, South Korea, Nov. 22, 2016 — A photodetector that is ten times smaller than current standard silicon diodes has been developed using molybdenum disulfide (MoS2) sandwiched between two graphene sheets. The 2D device, which has just one layer of MoS2, demonstrated the ability to...
Light-Initiated Hydrogenation of Graphene is Low Cost, Efficient UPPSALA and GOTHENBURG, Sweden, Nov. 4, 2016 — A study has demonstrated that graphene, when irradiated with visible light, reacts with formic acid in a water solution to add extensive amounts of hydrogen to the graphene. Additionally, it was found that the irradiation of aromatic compounds such...
Protocols Introduced for Graphene-Based Array for Biophotonics Applications MADISON, Wis., Oct. 17, 2016 — The fabrication and use of transparent graphene-based neural electrode arrays for applications in fluorescent microscopy, OCT and optogenetics have been described in detail by the researchers who developed the array. The arrays could provide...
Using Graphene to Lower the Cost and Footprint of LEDs TAIPEI, Taiwan, Sept. 26, 2016 — A white LED (WLED) has been developed using a hybrid metal-organic framework (MOF) material, which provides electrically driven white light emission with a continuous spectrum that matches well with natural sunlight. It could offer an economical,...
Laser Treatment Boosts Conductivity in Printed Graphene AMES, Iowa, Sept. 19, 2016 — Treating inkjet-printed, multilayer graphene electric circuits and electrodes with a pulsed-laser process improves electrical conductivity of the graphene without damaging paper, polymers or other fragile printing surfaces. The discovery of this...
Carbon Nanotube Market Poised for Growth BOSTON, Sept. 12, 2016 — According to a report by Lux Research, the carbon nanotube market will grow to 560 million in 2025, driven by faster development of commercial applications, while the market for graphene will lag at $305 million, on account of slower adoption in...
De Silva Appointed to Nanotech Board LOS ANGELES, Aug. 24, 2016 — Graphene technology developer Nanotech Energy Inc. has appointed Dr. Mahi de Silva to its board of directors. "We are delighted to announce that Dr. Mahi de Silva has joined our board,” said co-founders Dr. Jack Kavanaugh and Dr. Richard...
Graphene Photodetectors Offer Path to Novel Optoelectronics BARCELONA, Spain, Aug. 19, 2016 — A novel way to detect and harvest low-energy photons using heterostructures made of 2D materials and graphene may overcome the limitations of conventional semiconductor devices and lead to greater speed and efficiency in optoelectronic applications....
Novel Design Increases Optical Efficiency in Graphene OLEDs DAEJEON, South Korea, June 13, 2016 — Graphene-based OLED efficiency and flexibility has been shown to increase when the graphene is used as a transparent electrode (TE) and placed between titanium dioxide (TiO2) and conducting polymer layers. To improve the efficiency of graphene-based...
The Connected World: Banking on Innovations in Photonic Sensors Apr 28, 2016 — The Internet of Things (IoT) is about to change how we live in almost every conceivable way, from driverless cars and smart cities to precision agriculture. In fact, the economic impact per year of all things IoT is projected to be $11.1 trillion a...
Graphene Plasmons Explored for Nanoscale Control of IR Light SAN SEBASTIÁN, Spain, March 31, 2016 — The ability to capture IR light with graphene nanostructures could open new opportunities for ultrasmall and efficient photodetectors, sensors, and other photonic and optoelectronic nanodevices. Near-field image of a rectanglular graphene...
Photoresponsive Supramolecular Networks Self-Assemble on Graphene Mar 10, 2016 — Although challenged by the poor ordering of the thin layers on top of the electrodes, organic photovoltaics have shown great promise for large-scale, cost-effective solar power generation. Utilizing self-assembly on atomically flat, transparent...
Graphene Enables Nanoelectromechanical Systems Integration BARCELONA, Spain, Jan. 21, 2016 — Combining nanoelectromechanical (NEMS) systems with on-chip optics holds promise as a method to actively control light at the nanoscale, and now a hybrid system has overcome the challenges of integrating such nanoscale devices with optical fields...
Carbon Sciences Funds UCSB Research into Graphene Optical Modulators SANTA BARBARA, Calif., Dec. 17, 2015 — Carbon Sciences Inc. will fund R&D at the University of California, Santa Barbara, of a graphene-based optical modulator, a fiber optic component intended to address data center bottlenecks and enhance cloud computing. The company believes that...
'Invisible' Graphene Layer Protects Nanowires from Radiation Damage WEST LAFAYETTE, Ind., Nov. 10, 2015 — Wrapping silver nanowires in a one-atom-thick layer of graphene protects the structures from radiation damage that has historically prevented their use on a commercial scale. "The damage occurs in medical imaging, in space applications and just from...
Graphene Confines Light for Nanomolecular Sensing LAUSANNE, Switzerland, July 10, 2015 — A plasmonic sensor made of graphene can conduct complex analyses of the smallest molecules without altering them. The device overcomes a limitation of traditional IR absorption spectroscopy, according to researchers at the Swiss Federal Institute of...
IOP Recognizes 4 for Photonics, Optics Research LONDON, July 8, 2015 — University of Southampton professor Nikolay Zheludev has been awarded the 2015 Young Medal by the Institute of Physics in recognition of his work in optical metamaterials, nanophotonics and global leadership. Zheludev is deputy director of the...
Photonics Advances in the ‘Land of Ideas’ Mar 26, 2015 — The Abbe refractometer. The stauroscope. The Easter Bunny, the modern tradition of Christmas trees, and the accordion. All of these originated in Germany, and each has made a significant impact on the world. And the country’s innovative spirit...
Material Overcomes Plasmon Damping BARCELONA, Spain, Jan. 13, 2015 — High-quality graphene sandwiched between two films of hexagonal boron nitride allows plasmons to propagate over relatively large distances without losing energy. A research team led by the Institute Of Photonic Sciences (ICFO) studied the material...
Laser Creates Graphene Electronics from Polymer HOUSTON, Dec. 10, 2014 — An IR CO2 laser operating at room temperature can turn cheap polymer into multilayer graphene with heightened electrical conductivity and capacitance. Researchers at Rice University say their one-step laser-induced graphene (LIG) process could...
Graphene Phenomenon Could Enable New Lasers DRESDEN, Germany, Nov. 25, 2014 — Understanding the dynamics of electrons in graphene under strong magnetic fields could lead to development of new types of broadband lasers. An international team led by Helmholtz-Zentrum Dresden-Rossendorf (HZDR) exposed graphene to a 4-Tesla...
Deposition Technique Enables Large-Scale MoS2 Fabrication SOUTHAMPTON, England, Sept. 24, 2014 — A new technique for fabricating larger amounts of molybdenum disulfide than previously possible could lead to an expanded array of optoelectronic devices. The technique involves depositing nanoscale MoS2 thin films on a variety of substrates via...
Inorganic Semiconductors Guide New Optoelectronic Devices SEOUL, South Korea, Sept. 22, 2014 — Inorganic Semiconductors Guide New Optoelectronic Devices SEOUL, South Korea, Sept. 22, 2014 — Inorganic compound semiconductors could potentially replace those developed with organic materials. A research team from Seoul National University...
Video: University, Spinoff Develop Flexible Graphene Display CAMBRIDGE, England, Sept. 11, 2014 — A prototype flexible display that uses graphene could lead to wider implementation of the material in flexible electronics.
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