Graphene is the ultimate heat-spreader and is poised to play a major role in the semiconductor industry, especially for device miniaturization. Quasiparticles called phonons carry most of the heat.
☆ How does twisting individual atomically thin layers with respect to each other change their ability to transport heat? Link
☆ What happens to heat carriers when they encounter humps on the graphene lattice? Link
☆ Most materials expand upon heating. Why does graphene behave strangely? Link
☆ Electrical and thermal conductivities are intrinsic properties of all materials, or so we believe. We showed that the thermal conductivity of a 2D sheet of molybdenum disulphide is greatly influenced by its environment. Link
☆ Graphene, in its ultralight form, can be a thermal super-insulator, powering space applications Link.
It is textbook knowledge that the dc dielectric constant of bulk water is very high, about 80, driven by the water dipoles that reorient under an applied electric field. What happens when these dipoles are interleaved between atomically thin sheets? To know more, read here:
☆ A small amount of water between graphene layers can make it very flexible. To know more, read here: Link
☆ A small amount of water between graphene layers can significantly change its optical refractive index. To know more, read here: Link
☆ Imagine a humidity sensor that changes resistance by 10 orders of magnitude, powered by the phenomenon of anomalous percolation. We developed this technology based on hexagonal boron nitride, hBN, a cousin of graphene. To learn more, read here: Link
Universal laws of scaling describe the wrinkle formation in objects ranging from macroscopic ones (such as curtains, human skin) down to thin films and atomically-thin films like single-layer graphene. However, in microstrips of layered graphene, we found a breakdown of this universal scaling law. This research helps to understand the ultimate limits in using graphene interconnects for flexible and wearable electronic applications. View Link
Graphene is an "ultraflat" atomically thin layer, often termed as "carbon flatland". But we learnt to control its “shape”. ☆ The research work also developed novel electron-beam lithography resist patterns that swell vertically by up to 10-times in ambient. View Link
Here is a link to a popular article on conducting polymers: Manu Jaiswal and R. Menon 2006 Polymer International 55 1371 Link
☆ Imagine a sensitive breath analyzer that can reveal that you consumed one serving of beer after 24 hours! Link to our patented technology: Link
