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Graphene UPSC NOTE


  • When the same element is able to exist in different forms, the forms are called allotropes 

  • Graphene, thus, is an allotrope of carbon, along with diamond and graphite


  • It consists of a single layer of carbon atoms that are linked to each other in a honeycomb pattern

  • Graphene is among the most versatile materials known to humankind. 

  • As a nanomaterial, it is 

    • stronger than diamond, 

    • more conductive than silver, 

    • more elastic than rubber, and 

    • lighter than aluminium

  • Many people called it a “wonder material”

  • It is used in electronics, energy storage, sensors, coatings, composites, biomedical devices and many other. 

  • Its high surface area and biocompatibility make it an attractive material for drug delivery and tissue engineering applications

  • Scientists use more sophisticated techniques in laboratories, like chemical vapour deposition, to deposit graphene in order to make stronger car tires or when making chips to replace those made of silicon in smartphones. 

  • When graphene is mixed with concrete, the latter becomes 25% stronger and less carbon-intensive.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Graphene UPSC NOTE
Graphene UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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