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Graphene Is Frequently In The News Recently. What is its importance?

Graphene is frequently in the news recently. What is its importance?

1. It is a two-dimensional material and has good electrical conductivity.

2. It is one of the thinnest but strongest materials tested so far.

3. It is entirely made of silicon and has high optical transparency.

4. It can be used as ‘conducting electrodes’ required for touch screens, LCDs and organic LEDs.

Which of the statements given above are correct?(2012)

a) 1 and 2 only

b) 3 and 4 only

c) 1, 2 and 4 only

d) 1, 2, 3 and 4

Answer: C

Graphene has been touted in the global electronics industry as a “miracle material” given its strength, electrical conductivity and elasticity, and has been seen as an alternative to lithium-ion batteries since its discovery in 2004. It is a form of carbon that can be used to develop smaller, slimmer batteries but with higher capacity.

Graphene is a carbon material that is one atom thick. Its thin composition and high conductivity means it is used in applications ranging from miniaturised electronics to biomedical devices. These properties also enable thinner wire connections; providing extensive benefits for computers, solar panels, batteries, sensors and other devices.


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