Graphene hot carrier transport published in Adv. Opt. Mater.

Hot carrier transport in graphene heterostructures

P. Narang, L. Zhao, S. Claybrook and R. Sundararaman, “Effects of Interlayer Coupling on Hot Carrier Dynamics in Graphene-Derived van der Waals Heterostructures”, Adv. Opt. Mater., in press (2017) (Preprint: arXiv:1612.08196)

In collaboration with Prineha Narang at Harvard, we analyze the hot carrier life times and transport distances in graphene, graphite and a heterostructure of graphene and hexagonal boron nitride using ab initio methods. We find that these life times exceed those in noble metals like silver by two orders of magnitude for carriers close to the Fermi level. However, they decrease more rapidly with energy in these materials due to optical-phonon scattering and fall below those in silver just 0.5 eV away from the Fermi level.

Congratulations to Stephen and Litao on their first paper!