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Graphene

Mohali | Feb 21
Figure: Conversion of peanut shells into peanut shell derived - few layers of graphene (PS-FLG). Source: Dr. Ramendra Sundar Dey, INST Mohali, Punjab.

Graphene is called the ‘wonder material’ due to its electrical and mechanical properties and is now evolving as an alternative to conventional energy storage devices like batteries and supercapacitors. Researchers from Institute of Nano Science and Technology (INST), Mohali, use peanut shells to manufacture high-quality graphene nanosheets.

General, Science, Technology, Society, Deep-dive
Bengaluru | Nov 23
Illustration : Purabi Deshpande / Research Matters

Graphene is a form of carbon, just like diamond and graphite. It is made of a honeycomb shaped sheet of single layer of carbon atoms. Researchers from the Indian Institute of Science and University of Alabama have studied this material for its property of conducting electricity. Their study indicates that electrons can flow easily on the edges of graphene making it a very good conductor of electricity. 

General, Science
Mar 29

Graphene, also called a “wonder material” is increasingly being used in the field of electronics due to its lightweight and electrical properties. Now, researchers at the Indian Institute of Science, Bangalore, have identified a potential drawback in graphene transistors that have metal contact leads. The metal atoms in the contacts react with graphene atoms, creating an unwanted disturbance or noise in the electronic circuit. This discovery may have major implications on using graphene for futuristic electronic applications.  

General, Science, Technology