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Availability of hydrogen controls chemical structure of graphene oxide

A new study shows that the availability of hydrogen plays a significant role in determining the chemical and structural makeup of graphene oxide, a material that has potential uses in nano-electronics, nano-electromechanical ...

Nanotechnology / Nanomaterials

created May 22, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Using graphene, scientists develop a less toxic way to rust-proof steel

(Phys.org) -- University at Buffalo researchers are making significant progress on rust-proofing steel using a graphene-based composite that could serve as a nontoxic alternative to coatings that contain hexavalent ...

Nanotechnology / Nanomaterials

created May 18, 2012 | popularity 4.5 / 5 (6) | comments 2 | with audio podcast

Samsung presents a new graphene device structure

Samsung Advanced Institute of Technology, the core R&D incubator for Samsung Electronics, has developed a new transistor structure utilizing graphene.

Nanotechnology / Nanomaterials

created May 18, 2012 | popularity 5 / 5 (10) | comments 0

Electron hopping in graphene oxide leads to highly sensitive sensing

(Phys.org) -- Graphene has many promising applications on its own, but pairing the two-dimensional material with the semiconductor titanium dioxide (TiO2) extends its capabilities even further. A team of ...

Nanotechnology / Nanomaterials

created May 17, 2012 | popularity 5 / 5 (3) | comments 6 | with audio podcast report

New research could mean faster computers and better mobile phones

Graphene and carbon nanotubes could improve the electronics used in computers and mobile phones, reveals new research from the University of Gothenburg, Sweden.

Nanotechnology / Nanomaterials

created May 14, 2012 | popularity 3 / 5 (2) | comments 1

New ultra-thin electronic films have greater capacity

(Phys.org) -- The development of a new combination of polymers associating sugars with oil-based macromolecules makes it possible to design ultra-thin films capable of self-organization with a 5-nanometer ...

Nanotechnology / Nanomaterials

created May 14, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Nanotube 'sponge' has potential in oil spill cleanup

(Phys.org) -- A carbon nanotube sponge that can soak up oil in water with unparalleled efficiency has been developed with help from computational simulations performed at the Department of Energy's (DOE's) ...

Nanotechnology / Nanomaterials

created May 10, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Hybrid 'Janus' nanoparticles made from gold and titania have high catalytic activity and extraordinary durability

As recently as twenty-five years ago, chemists considered gold to be one of the most inert metallic elements, until the discovery that nanoscale-sized dispersions of gold had high catalytic activity forced ...

Nanotechnology / Nanomaterials

created May 10, 2012 | popularity 5 / 5 (4) | comments 0

Nanocrystal infrared LEDs can be made cheaply

(Phys.org) -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...

Nanotechnology / Nanomaterials

created May 10, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Portable diagnostics designed to be shaken, not stirred

As medical researchers and engineers try to shrink diagnostics to fit in a person's pocket, one question is how to easily move and mix small samples of liquid.

Nanotechnology / Nanomaterials

created May 09, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Quantum dots brighten the future of lighting

(Phys.org) -- With the age of the incandescent light bulb fading rapidly, the holy grail of the lighting industry is to develop a highly efficient form of solid-state lighting that produces high quality white ...

Nanotechnology / Nanomaterials

created May 08, 2012 | popularity 4.8 / 5 (8) | comments 2 | with audio podcast

Sunscreen ingredient may pose skin cancer risk, researchers find

(Phys.org) -- As vacationers prepare to spend time outdoors this summer, many of them will pack plenty of sunscreen in hopes it will protect their bodies from overexposure, and possibly from skin cancer. But researchers at ...

Nanotechnology / Nanomaterials

created May 08, 2012 | popularity 4.5 / 5 (8) | comments 10 | with audio podcast

Power generation technology based on piezoelectric nanocomposite materials

Professor Keon- Jae Lee's research team, KAIST (Korea), has developed a nanocomposite-based nanogenerator that successfully overcomes the critical restrictions existed in previous nanogenerators and builds ...

Nanotechnology / Nanomaterials

created May 07, 2012 | popularity 4.8 / 5 (4) | comments 1

A new paper made of graphene and protein fibrils

(Phys.org) -- Researchers led by Raffaele Mezzenga, a professor in Food and Soft Materials Science, have created a new nanocomposite made of graphene and protein fibrils: a special paper, which combines the ...

Nanotechnology / Nanomaterials

created May 07, 2012 | popularity 4.8 / 5 (8) | comments 0 | with audio podcast

Engineers develop novel system for producing conductive films

(Phys.org) -- Yale engineers have developed a novel automated system for generating strong, flexible, transparent coatings with promising uses in lithium-ion battery and fuel cell production, among other applications.

Nanotechnology / Nanomaterials

created May 07, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast