Graphene

Graphene for UPSC IAS
  • Graphene is composed of a monolayer of closely packed carbon atoms that form a hexagonal honeycomb lattice.
  • It is the building block of Graphite.
  • It is the thinnest, most electrically and thermally conductive material in the world.
  • It is also tremendously strong—about 200 times stronger than steel and flexible, as well as transparent.
  • It is also known as a wonder material due to its vast potential in the energy and medical world.

Applications of Graphene

  • Electronics: It has the potential to create the next generation of electronics like Faster transistors, bendable phones etc.
  • Biomedical: Graphene’s unique properties allow for ground-breaking biomedical applications. Targeted drug delivery, improved brain penetration etc.
  • Battery: Graphene could dramatically increase the lifespan of a traditional lithium-ion battery i.e., devices can be charged quicker – and hold more power for longer.
  • Sensors: Ultra-sensitive sensors made from graphene could detect minute dangerous particles, helping to protect potentially dangerous environments.
  • Graphene Membranes: Graphene oxide membranes are capable of forming a perfect barrier when dealing with liquids and gasses. They have even been proven to stop helium, the hardest gas to block.

Latest news

  • 17 April 2023
    • Recently, researchers in the UK, led by Nobel laureate Andre Geim have found that graphene displays an anomalous giant magnetoresistance (GMR) at room temperature.

Source

  1. The Hindu

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