A Novoselov at the University of Manchester

A review
on project based on graphene


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Graphene is a honeycomb planar thin
layer which is consists of sp2 hybridized carbon which is a kind of
Quasi two-dimensional material. Graphene was rediscovered, isolated, and characterized in
2004 by Andre
Geim and Konstantin Novoselov at the University of Manchester and they won the Nobel prize in physics
in 2010. For its excellent characters like high electrical and heat
conductivity, unique optical properties and good stability, graphene finds its
wide application in physics, materials science, electronic information,
computer, aerospace. While recent years graphene was also discovered
interesting in biological fields.

In our project we had an understand about the history of
graphene and we went deeply into the preparation and applications of graphene
and some latest scientific researches which are based on graphene.


is first obtained by micromechanical peeling. The micromechanical peeling
method is to use transparent tape to press highly oriented pyrolytic graphite
sheets onto other surfaces for many times to peel off, and finally get
monolayer or several layers of graphene. Although the micromechanical peeling method is
the main method to produce high quality graphene. But its controllability is
poor. The obtained graphene size is small and there is a lot of uncertainty
while the cost of this method to produce graphene is huge. Recent years more
and more new methods emerge.

vapor deposition (CVD) method: the most potential large scale production
method. CVD method for chemical vapor deposition is a specific process
reported: hydrocarbon methane and ethanol into the metal substrate, the surface
of Ni Cu high temperature heating, cooling the reaction continued after a
certain period of time, the cooling process on the substrate surface will form
a number of layers or single layer graphene, this process contains dissolved
carbon atoms on the substrate the two part of the growth and diffusion. The
preparation of large area and high quality graphene is still a big challenge.


is the strongest material in the world ever. The electronic properties is also
interesting. Graphene is reported to show remarkable electron mobility at room
temperature where the hole and electron mobilities were nearly identical.
Graphene can also give out a high opacity for an atomic monolayer in vacuum.
For its unique structure of free-moving electrons, graphene also has great
potential for thermal management.


Since graphene has so many
interesting properties. It gives various applications for example it can be
used to making electronic component to improve computers’ performance. And the
combination of putty and graphene shows an amazing electronic-mechanical
sensitive properties. The sandwich-structure hydrogen generation and storage
system based on graphene indicates great potential in the safe-using hydrogen
energy. The graphene based battery has already put into market by Samsung,
which exhibits amazing charge-discharge efficiency.


    Due to its
unique characteristics, graphene is known as magic material and scientists have
even predicted that it will completely change twenty-first Century. Professor
Colin Bailey, vice president of University of Manchester, said: “graphene
is likely to revolutionize the huge number of applications, from smart phones
and ultra high-speed broadband to drug delivery and computer chips.” While
the 21st century is also called the century of biology, graphene is
supposed to have more biological applications.

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