Recently, researchers developed a flexible graphene-based capacitive sensor fabricated on a paper substrate using pencil-drawn interdigitated electrodes (IDEs).
About Graphene:
It is an allotrope of carbon, along with diamond and graphite.
It is a two-dimensional material consisting of a single layer of carbon atoms arranged in a honeycomb structure.
The stacked form of graphene is graphite.
Graphene was first isolated in 2004.
Applications: Graphene has found hundreds of innovative applications, from sensors and electronics to energy storage and healthcare.
Properties of Graphene
Thickness: Graphene is the world’s thinnest material – it is only one atom thick, one million times thinner than a human hair.
Strength: It is stronger than steel.
Flexibility: It is extremely flexible and stretchable.
Conductivity: It is an excellent electrical and thermal conductor.
Transparency: It is almost perfectly transparent.
It is impermeable to gases, even those as light as hydrogen or helium.
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