News tagged with carbon material

'Power Felt' uses body heat to generate electricity

(PhysOrg.com) -- Among the many applications of flexible thermoelectric materials is a wristwatch powered by the temperature difference between the human body and the surrounding environment. But if you wanted ...

Nanotechnology / Nanomaterials

created Feb 28, 2012 | popularity 4.9 / 5 (16) | comments 17 | with audio podcast feature

Superhard carbon material could crack diamond

(PhysOrg.com) -- By applying extreme pressure to compress and flatten carbon nanotubes, scientists have discovered that they can create a new carbon polymer that simulations show is hard enough to crack diamond. ...

Nanotechnology / Nanomaterials

created Dec 07, 2011 | popularity 4.7 / 5 (27) | comments 8 | with audio podcast feature

Paper-thin supercapacitor has higher capacitance when twisted than any non-twisted supercapacitor

(PhysOrg.com) -- In an effort to develop wearable electronics, researchers have designed a new ultra-thin supercapacitor that has a capacitance that is six times higher than that of any current commercial ...

Nanotechnology / Nanomaterials

created Sep 21, 2010 | popularity 4.9 / 5 (57) | comments 9 | with audio podcast feature

Using CNTs as infrared sensors

(PhysOrg.com) -- Semiconductors provide the bases for many different avenues of device research. Indeed, many of the technological devices that are commonplace in our society are reliant on semiconductors. However, as we ...

Nanotechnology / Nanophysics

created Jan 04, 2010 | popularity 4.4 / 5 (15) | comments 0 | with audio podcast feature

Engineering Carbon for Impressive Hydrogen Storage

(PhysOrg.com) -- University of Missouri researchers recently showed how carbon nanostructures can be engineered to become excellent media for hydrogen storage, work that may be important for the advancement of hydrogen-energy ...

Nanotechnology / Nanomaterials

created May 22, 2009 | popularity 4 / 5 (16) | comments 14 feature

Stretchable Nanotube Films May Advance Medical Electronics (Update)

(PhysOrg.com) -- One of the issues hindering the development of medical electronic devices capable of being implanted in the human body is the lack of suitable materials. Most semiconducting materials are ...

Nanotechnology / Nanophysics

created May 04, 2009 | popularity 3.6 / 5 (10) | comments 1 feature

Long, Stretchy Carbon Nanotubes Could Make Space Elevators Possible

(PhysOrg.com) -- Scientists from Cambridge University have developed a light, flexible, and strong type of carbon nanotube material that may bring space elevators closer to reality. Motivated by a $4 million ...

Nanotechnology / Nanomaterials

created Jan 23, 2009 | popularity 4.3 / 5 (32) | comments 51 weblog

Computer model used to pinpoint prime materials for efficient carbon capture

When power plants begin capturing their carbon emissions to reduce greenhouse gases – and to most in the electric power industry, it's a question of when, not if – it will be an expensive undertaking.

Chemistry / Materials Science

created May 27, 2012 | popularity 5 / 5 (1) | comments 2 | with audio podcast

Nanotube electrodes improve solar cells, could yield low-cost, efficient alternative

Forests of carbon nanotubes are an efficient alternative for platinum electrodes in dye-sensitized solar cells (DSC), according to new research by collaborators at Rice University and Tsinghua University.

Nanotechnology / Nanomaterials

created Apr 17, 2012 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

Carbon nanotubes: The weird world of 'remote Joule heating'

(Phys.org) -- A team of University of Maryland scientists have discovered that when electric current is run through carbon nanotubes, objects nearby heat up while the nanotubes themselves stay cool, like a ...

Nanotechnology / Nanophysics

created Apr 10, 2012 | popularity 4.4 / 5 (38) | comments 14 | with audio podcast

Straintronics: Engineers create piezoelectric graphene

In what became known as the 'Scotch tape technique," researchers first extracted graphene with a piece of adhesive in 2004. Graphene is a single layer of carbon atoms arranged in a honeycomb, hexagonal pattern. ...

Nanotechnology / Nanomaterials

created Mar 16, 2012 | popularity 5 / 5 (7) | comments 8 | with audio podcast

Barrier to faster graphene devices identified and suppressed

These days graphene is the rock star of materials science, but it has an Achilles heel: It is exceptionally sensitive to its electrical environment.

Nanotechnology / Nanomaterials

created Mar 13, 2012 | popularity 4.7 / 5 (19) | comments 5 | with audio podcast

Spitzer finds solid buckyballs in space

(PhysOrg.com) -- Astronomers using data from NASA's Spitzer Space Telescope have, for the first time, discovered buckyballs in a solid form in space. Prior to this discovery, the microscopic carbon spheres ...

Space & Earth / Astronomy

created Feb 22, 2012 | popularity 4.7 / 5 (15) | comments 13 | with audio podcast

Space diamonds reveal supernova origins

Space diamonds may now be an astrophysicist's best friend.

Physics / Condensed Matter

created Feb 15, 2012 | popularity 4.8 / 5 (9) | comments 9 | with audio podcast

Bilayer graphene works as an insulator

A research team led by physicists at the University of California, Riverside has identified a property of "bilayer graphene" (BLG) that the researchers say is analogous to finding the Higgs boson in particle ...

Nanotechnology / Nanomaterials

created Jan 24, 2012 | popularity 4.5 / 5 (10) | comments 7 | with audio podcast