Graphite is essentially made
from sheets of graphene stacked together like a deck of cards, and sliding it in the right way can separate the layers.
Graphite, the form of carbon found in pencil lead, is essentially made
from sheets of graphene stacked together like a deck of cards.
Not exact matches
Hui Huang
from A * STAR's Singapore Institute
of Manufacturing Technology and his colleagues
from Nanyang Technological University and Jinan University, China, have fabricated asymmetric supercapacitors which incorporate metal nitride electrodes with stacked
sheets of graphene.
SUPER
SHEET Simple blender blades can slough off
graphene, single - atom - thick layers
of carbon,
from graphite.
Researchers discovered
graphene, or one - atom - thick
sheets of carbon, by mechanically peeling progressively finer layers
from raw flakes
of graphite, the same stuff found in pencil lead (See: «Carbon Wonderland,» by Andre K. Geim and Philip Kim, in the April issue
of Scientific American).
Using a technique that introduces tiny wrinkles into
sheets of graphene, researchers
from Brown University have developed new textured surfaces for culturing cells in the lab that better mimic the complex surroundings in which cells grow in the body.
«
Graphene is a thin
sheet of a naturally occurring mineral, graphite, so we would be sending it back to the ground
from which it came along with the wood platform instead
of to a landfill full
of electronics parts.»
Researchers at Rice University have created flexible, patterned
sheets of multilayer
graphene from a cheap polymer by burning it with a computer - controlled laser.
«The direct growth
of anchored MoSoy nanocrystals on
graphene sheets may enhance the formation
of strongly coupled hybrid materials with intimate, seamless electron transfer pathways, thus accelerating the electron transfer rate for the chemical desorption
of hydrogen
from the catalyst, further reducing the energy required for the reaction to take place,» Sasaki said.
In the journal Optical Materials Express,
from The Optical Society (OSA), the researchers reported that
graphene oxide
sheets treated with brief exposure to bright light in the form
of a camera flash exhibited reversible bending at angles
from zero to 85 degrees in response to switching the relative humidity between 33 and 86 percent.
A camera flash allowed the researchers to remove oxygen
from, or reduce, just one side
of a
sheet of graphene oxide.
«To be able to spontaneously change the structure
of graphene from single
sheets to a spherical assembly is hugely significant.
An electron microscope image shows flake - like nanoplatelets made
of graphene quantum dots drawn
from coal and
graphene oxide
sheets, modified with boron and nitrogen.
Tour and his group discovered last year that heating a commercial polyimide plastic
sheet with a laser burned everything but the carbon
from the top layer, leaving a form
of graphene.
An interdisciplinary team
of engineers
from the University
of Pennsylvania has made a discovery regarding the surface properties
of graphene, the Nobel - prize winning material that consists
of an atomically thin
sheet of carbon atoms.
Researchers
from the University
of Illinois at Urbana - Champaign have come up with a way
of creating 3D objects out
of flat
sheets of graphene, opening up the possibility
of creating a whole new range
of innovative electronic devices.
In a newly published paper in Nature Nanotechnology («Ultrahard carbon film
from epitaxial two - layer
graphene»), researchers across The City University
of New York (CUNY) describe a process for creating diamene: flexible, layered
sheets of graphene that temporarily become harder than diamond and impenetrable upon impact.
The
graphene work that netted the Nobel Prize for Andre K. Geim and Konstantin S. (Kostya) Novoselov involved isolating one - atom - thin
sheets of carbon
from graphite.
Literally taking inspiration
from a trashcan
of scrunched up paper, the engineers came up with a way
of crumpling
graphene sheets into balls by first atomizing them into tiny water droplets.
When the next stoplight turned yellow, we feared bursting through the intersection and passing under the invisible
sheet of graphene that separates the world
from the Kardashian's reality show.
What makes the display «unbreakable» is not the
Graphene (which is a single - atom thick
sheet of carbon atoms) it is the fact that you replace the currently used glas substrate with one made
from plastic.
She has produced new work out
of graphene, an incredibly strong
sheet of pure carbon just one atom thick that Novoselov has made
from samples
of graphite in drawings by William Blake RA and JMW Turner RA.
Through such a device, electrical charge can be rapidly stored on the
graphene sheets, and released
from them as well for the delivery
of electrical current and, thus, electrical power.