News tagged with carbon nanostructures

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

Researchers show that gold doping increases nickel catalyst activity for carbon nanostructure formation

(PhysOrg.com) -- Researchers from the CNST and Arizona State University have demonstrated that the overall catalytic activity of nickel particles for the formation of carbon nanostructures is improved by the addition of a ...

Nanotechnology / Nanomaterials

created Oct 13, 2011 | popularity not rated yet | comments 0

Hidden beauty of the nano-cosmos

When researchers receive prizes, it is usually to honour their scientific work. However, the photographs from the scanning electron microscope, taken by Siddhartha Pathak during his postdoctoral time at Empa ...

Nanotechnology / Nanophysics

created Oct 12, 2011 | popularity 5 / 5 (3) | comments 1

Twisted crystals point way toward active optical materials

(PhysOrg.com) -- A nanoscale game of "now you see it, now you don't" may contribute to the creation of metamaterials with useful optical properties that can be actively controlled, according to scientists ...

Nanotechnology / Nanophysics

created Sep 29, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Edible carbon dioxide sponge

(PhysOrg.com) -- A year ago Northwestern University chemists published their recipe for a new class of nanostructures made of sugar, salt and alcohol. Now, the same team has discovered the edible compounds ...

Chemistry / Materials Science

created Sep 23, 2011 | popularity 3 / 5 (3) | comments 0 | with audio podcast

Carbon nanotube structures changed by 'attack' from within, researchers discover

(PhysOrg.com) -- A team of researchers involving scientists from The University of Nottingham has shown for the first time that chemical reactions at the nano-level which change the structure of carbon nanotubes ...

Nanotechnology / Nanomaterials

created Aug 16, 2011 | popularity 4.5 / 5 (6) | comments 5 | with audio podcast

Scientists pioneer new method for nanoribbon production

Research involving scientists from The University of Nottingham is pioneering a new method of studying and making molecules.

Nanotechnology / Nanomaterials

created Aug 09, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

New material could improve safety for first responders to chemical hazards

A new kind of sensor could warn emergency workers when carbon filters in the respirators they wear to avoid inhaling toxic fumes have become dangerously saturated.

Nanotechnology / Nanomaterials

created May 01, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers create self-strengthening nanocomposite

Researchers at Rice University have created a synthetic material that gets stronger from repeated stress much like the body strengthens bones and muscles after repeated workouts.

Nanotechnology / Nanomaterials

created Mar 23, 2011 | popularity 4.7 / 5 (9) | comments 9 | with audio podcast

Researchers produce world's first programmable nanoprocessor

Engineers and scientists collaborating at Harvard University and the MITRE Corporation have developed and demonstrated the world's first programmable nanoprocessor.

Nanotechnology / Nanophysics

created Feb 09, 2011 | popularity 4.8 / 5 (36) | comments 8 | with audio podcast

'Molecular torch' between carbon nanotubes emits electroluminescence

(PhysOrg.com) -- A single molecule bridging a "broken" single-walled carbon nanotube (CNT) is barely visible through a powerful scanning electron microscope, but the precisely assembled system can act as a ...

Nanotechnology / Nanophysics

created Dec 20, 2010 | popularity 5 / 5 (14) | comments 6 | with audio podcast feature

Alternating stacks of planar cations and dipyrrole-containing anions provides concept for new materials

(PhysOrg.com) -- Pyrroles, which are rings containing one nitrogen and four carbon atoms, are essential components of our red hemoglobin as well as the green chlorophyll in plants. Japanese researchers led ...

Chemistry / Materials Science

created Dec 10, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Oscillating layers of molecules on liquid's surface influence carbon capture

Two tiny molecular layers in a liquid that traps carbon dioxide constantly swap places, influencing how much of the greenhouse gas is absorbed, according to scientists at Pacific Northwest National Laboratory, ...

Chemistry / Materials Science

created Nov 22, 2010 | popularity 5 / 5 (2) | comments 1 | with audio podcast

New carbon composite holds promise for bionics

(PhysOrg.com) -- Mimicking the human nervous system for bionic applications could become a reality with the help of a method developed at Oak Ridge National Laboratory to process carbon nanotubes.

Nanotechnology / Nanomaterials

created Apr 22, 2010 | popularity 4.6 / 5 (10) | comments 0 | with audio podcast

Producing graphene layers using crystallization

(PhysOrg.com) -- Ever since it's relatively recent discovery, graphene has generated a great deal of interest. Graphene is extracted from graphite in many cases, and consists of a sheet of carbon atoms bound together in a ...

Nanotechnology / Nanomaterials

created Mar 02, 2010 | popularity 4.7 / 5 (12) | comments 1 | with audio podcast feature