@misc{10481/72262,
year = {2021},
month = {12},
url = {http://hdl.handle.net/10481/72262},
abstract = {Ultrafast photodetectors based on two-dimensional materials suffer
from low responsivities and high dark currents. Interlayer exciton
dissociation in type-II vertical heterojunctions of transition
metal dichalcogenides is a viable mechanism for achieving higher
responsivities with picosecond response times. Here, we propose a
novel device concept based on these structures, with potential for
self-powered photodetector applications characterized by an
unprecedented trade-off between speed and responsivity with zero
dark current. In order to assess the realistic performance to be
expected in the proposed device, we have purposely devised a
simulation approach able to provide a detailed investigation of
the physics at play, while showing excellent predictive capabilities
when compared with experiments on interlayer exciton transport
available in the literature. The proposed high-performance photodetectors
with tunable responsivities are at reach with available
fabrication techniques and could help in paving the way towards
monolithically integrated artificial neural networks for ultrafast
machine vision in speed sensitive applications.},
organization = {Juan de la Cierva Incorporacion	IJCI-2017-32297},
organization = {Graphene Flagship Core 3	881603},
publisher = {Royal Society of Chemistry},
title = {An ultrafast photodetector driven by interlayer exciton dissociation in a van der Waals heterostructure},
doi = {10.1039/d1nh00396h},
author = {Lopriore, Edoardo and González Marín, Enrique and Fiori, Gianluca},
}