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What is Graphene How was it graphene discovered

Graphene, a two-dimensional material composed entirely of carbon atoms, has emerged as a revolutionary technology in materials science and engineering. It has gained significant attention due to its unique properties that set it apart from traditional materials like metals and plastics.


What is Graphene How was it graphene discovered

(What is Graphene How was it graphene discovered)

The discovery of graphene was initially inspired by a breakthrough made in 2010 when physicist_surface chemistry-discovered graphite on the surface of a metal electrode. The discovery sparked excitement about the potential of graphene as an advanced electronic conductor, but it was not until much later that scientists finally isolated pure graphene from graphite.
In 2014, two research groups at the University of Toronto and Stanford University, led by scientists Dr.^-{5}Maurice Bilodeau and Dr.^-{5}Robert Hruby, published the first experimental study of graphene. They used a combination of chemical vapor deposition (CVD) and high-pressure reduction to grow large-scale graphene flakes. This technique allowed them to obtain graphene with a very thin layer of carbon atoms on top of each other, making it a true two-dimensional material.
Their experiments revealed that graphene had unique electrical conductivity properties that were far beyond those of conventional materials. It had a Seebeck coefficient of over 3 times that of copper, meaning that it could convert electricity into heat with just one unit of power. Additionally, graphene had excellent thermal conductivity, which means that it could conduct heat at extremely high speeds.
These unique properties made graphene an ideal candidate for a wide range of applications, including electronics, energy storage, and sensing. For example, graphene-based sensors have been developed for detecting temperature, humidity, and gas concentrations, while graphene-based solar cells can convert sunlight into electricity more efficiently than traditional silicon cells.
Graphene has also been used as a building material due to its lightweight and strong nature. It is capable of conducting electricity without forming any conductive pathways between its layers, making it a safe and reliable material for use in electrical wiring and power transmission systems.
Despite its numerous benefits, graphene faces several challenges in commercial production. One of the main challenges is scaling up the production process to meet demands for larger quantities of graphene. This is because the current method of growing graphene flakes involves a complex process that requires specialized equipment and expertise.
Another challenge is achieving high-quality graphene flakes that are free from impurities and defects. Graphene is highly sensitive to environmental factors such as moisture and oxygen, which can cause defects in the material. To overcome this challenge, researchers are working on developing new techniques for growing graphene films that are more robust and resistant to these types of conditions.


What is Graphene How was it graphene discovered

(What is Graphene How was it graphene discovered)

In conclusion, the discovery of graphene has opened up a world of possibilities in materials science and engineering. Its unique properties make it an ideal candidate for a wide range of applications, and ongoing research efforts aim to overcome the challenges associated with commercial production of this remarkable material. As we continue to explore the potential of graphene, it is clear that it will play a critical role in shaping the future of technology and sustainable living.
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