Researchers fine-tune the sensitivity of nano-chemical sensor
Researchers have discovered a technique for controlling the sensitivity of graphene chemical sensors.
May 08, 2013
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May 08, 2013
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ORNL microscopy uncovers 'dancing' silicon atoms in graphene
(Phys.org) —Jumping silicon atoms are the stars of an atomic scale ballet featured in a new Nature Communications study from the Department of Energy's Oak Ridge National Laboratory.
Apr 03, 2013
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Thinnest graphene sheets react strongly with hydrogen atoms; thicker sheets are relatively unaffected
(Phys.org)—Single sheets of graphene, a curious material only 1 atom thick, are 100 times more chemically reactive than double or triple sheets, Stanford scientists say in a new paper published online Jan. ...
Feb 01, 2013
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Flat boron by the numbers: Researchers calculate what it would take to make new 2-dimensional material
It would be a terrible thing if laboratories striving to grow graphene from carbon atoms kept winding up with big pesky diamonds.
Jan 31, 2013
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X-rays illuminate nitrogen's role in single-layer graphene
(Phys.org)—Researchers using x-rays to study a single-atom-thick layer of carbon, called graphene, have learned new information about its atomic bonding and electronic properties when the material is "doped" ...
Nov 29, 2012
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James' bond: A graphene / nanotube hybrid
(Phys.org)—A seamless graphene/nanotube hybrid created at Rice University may be the best electrode interface material possible for many energy storage and electronics applications.
Nov 27, 2012
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Key property of graphene sustained over wide ranges of density and energy
(Phys.org)—A collaboration led by researchers from the NIST Center for Nanoscale Science and Technology has shown for the first time that charge carriers in graphene continue to behave as massless particles, like photons, ...
Nov 15, 2012
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Can cobalt nanoparticles replace platinum in fuel cells?
(Phys.org)—Platinum works well as a catalyst in hydrogen fuel cells, but it has at least two drawbacks: It is expensive, and it degrades over time. Brown chemists have engineered a cheaper and more durable ...
Oct 17, 2012
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Freestanding carbon nanotubes may be thinner than previously thought possible
(Phys.org)—Carbon nanotubes (CNTs) are renowned for their thinness, having diameters as small as 3 angstroms (Å), or 0.3 nm. It's generally thought that ultrathin CNTs with diameters smaller than 3 Å ...
Sep 18, 2012
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Every atom counts in graphene formation
(Phys.org)—Like tiny ships finding port in a storm, carbon atoms dock with the greater island of graphene in a predictable manner. But until recent research by scientists at Rice University, nobody had ...
Sep 04, 2012
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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.
May 14, 2012
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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 ...
May 07, 2012
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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. ...
Mar 30, 2012
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Graphene battery demonstrated to power an LED
(PhysOrg.com) -- Scientists in Hong Kong have reported, in ArXiv, their experiments to make a graphene battery that they say generates an electrical current by drawing on the ambient thermal energy in the sol ...
Mar 16, 2012
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Using graphene oxide to examine molecules in living cells proves popular
Whether indicating the onset of disease or exposure to toxins, the molecular machinery of cells can provide a wealth of information if scientists can track and examine the molecules.
Feb 23, 2012
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