Graphene and Its Applications

What method did Andre Geim and Konstantin Novoselov use to isolate graphene?

• Electrochemical exfoliation

• Chemical vapor deposition

• Laser ablation

• Scotch tape method

What is a key property of graphene oxide membranes?

• Resistance to high temperatures

• Super permeability to water

• High electrical conductivity

• Magnetic properties

What is one potential application of graphene as mentioned in the video?

• As a superconducting material

• As a nanomembrane or filter

• As a solar cell component

• As a battery electrode

What was the primary method of desalination 40 years ago?

• Electrodialysis

• Reverse osmosis

• Thermal methods

• Ion exchange

What is a major challenge in implementing new membrane materials on an industrial scale?

• High production costs

• Environmental regulations

• Difficulty in scaling up from lab to industrial scale

• Lack of raw materials