Nanomaterials news
Scientists design simpler, more accurate nanothermometer
By using carbon nanotubes containing gallium for measuring temperature at the nanoscale, scientists have invented a new nanothermometer that works simply by heating and cooling the tubes.
Nanotechnology / Nanomaterials
Jul 26, 2006 |
4.3 / 5 (39) |
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Quantum dot LEDs get brighter, more efficient
(Phys.org) -- While quantum dot-based light-emitting diodes (QLEDs) are not made of organic materials, they share many of the same advantages as organic LEDs (OLEDs). For instance, both QLEDs and OLEDs outshine ...
Nanotechnology / Nanomaterials
Apr 20, 2012 |
4.8 / 5 (14) |
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Multiple groups claim to create first atom-thick silicon sheets
(PhysOrg.com) -- Since its discovery in 2004, graphene -- sheets of carbon an atom thick -- has sparked a flurry of research into the nanomaterial's potential applications for blazing fast, tiny electronics. ...
Nanotechnology / Nanomaterials
Mar 30, 2012 |
4.9 / 5 (16) |
2
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'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
Feb 28, 2012 |
4.9 / 5 (16) |
17
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New record for world's smallest atomic valentine
(PhysOrg.com) -- Shattering their own world record from two years ago, scientists from the University of Birmingham in the UK have created the unofficial world’s smallest atomic valentine. Their tiny heart ...
Nanotechnology / Nanomaterials
Feb 14, 2012 |
4.7 / 5 (15) |
0
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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
Dec 07, 2011 |
4.7 / 5 (27) |
8
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Graphene can be strengthened by folding
(PhysOrg.com) -- With a strength 200 times greater than that of steel, graphene is the strongest known material to exist. But now scientists have found that folding graphene nanoribbons into structures they ...
Nanotechnology / Nanomaterials
Sep 20, 2011 |
4.5 / 5 (17) |
14
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Graphene nanoribbons grow due to domino-like effect
(PhysOrg.com) -- While many labs are trying to efficiently synthesize large two-dimensional sheets of graphene, a team of researchers from Sweden and the UK is investigating the synthesis of very thin strips ...
Nanotechnology / Nanomaterials
Sep 15, 2011 |
4.6 / 5 (8) |
1
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Inside story: Chemical reactivity on the inner surface of single-walled carbon nanotubes
(PhysOrg.com) -- Historically, the interior surface of single-walled carbon nanotubes (SWNTs) has not been considered to be chemically reactive. Recently, however, researchers at the University of Nottingham School of Chemistry in the UK and the Ulm Un ...
Nanotechnology / Nanomaterials
Sep 15, 2011 |
4 / 5 (5) |
2
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Brittle silicon shows exceptional plasticity on the nanoscale
(PhysOrg.com) -- On the macroscale, silicon is a brittle material that cannot be easily molded into a desired shape. But scientists have found that a piece of silicon just 3 nm long can be stretched to more than 20 times ...
Nanotechnology / Nanomaterials
Aug 26, 2011 |
5 / 5 (4) |
2
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Tiny tech, big results: Quantum dot solar cells increase solar conversion efficiency
The race to achieve ever-higher photovoltaic conversion ratios is, so to speak, a hot area of research. One line of research has focused on quantum dots – semiconductor nanocrystals under 2-10 nanome ...
Nanotechnology / Nanomaterials
Aug 02, 2011 |
4.8 / 5 (12) |
6
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Graphene's 'quantum leap' takes electronics a step closer
(PhysOrg.com) -- Writing in the journal Nature Physics, the academics, who discovered the world's thinnest material at The University of Manchester in 2004, have revealed more about its electronic properties.
Nanotechnology / Nanomaterials
Jul 24, 2011 |
4.8 / 5 (18) |
2
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Rechargeable lithium-sulfur batteries get a boost from graphene
(PhysOrg.com) -- By wrapping tiny sulfur particles in graphene sheets, researchers from Stanford University have synthesized a promising cathode material for rechargeable lithium-sulfur batteries that could ...
Nanotechnology / Nanomaterials
Jul 13, 2011 |
4.2 / 5 (22) |
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Graphene quantum dots could lead to low-cost solar cells and OLEDs
(PhysOrg.com) -- Fabricating photovoltaic devices – those that convert sunlight into electricity – out of organic materials has several advantages over using non-organic materials, such as flexibility ...
Nanotechnology / Nanomaterials
Jul 05, 2011 |
4.2 / 5 (10) |
4
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Ink with tin nanoparticles could print future circuit boards
(PhysOrg.com) -- Almost all electronic devices contain printed circuit boards, which are patterned with an intricate copper design that guides electricity to make the devices functional. In a new study, researchers ...
Nanotechnology / Nanomaterials
Apr 12, 2011 |
4.6 / 5 (8) |
7
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