Our groundbreaking technique combines ultrafast lasers, scanning optics, hardware automation and advanced data analysis to understand the behavior of 2D heterostructures.
At high densities electrons and holes can condense into an electron hole liquid droplet, an exotic phase of matter that, in 2D MoTe2, can be created at room temperature.
Ultra-clean, low-defect graphene devices are shown to exhibit an intrinsic photocurrent which occurs exclusively at the charge-neutrality point.
This Perspective describes recent advances in using twisted atomic layers to engineer nanoscale electronic devices and offers insight into future prospects for innovation.
Atomic layer heterostructures are shown to greatly increase the efficiency of amplifying small signals and light-to-elecricity conversions.
A revolutionary design principle for solar energy harvesting quantum photocells may also reveal the predominance of green plants on Earth.
Excitation-emission spectroscopy is carried out on Nd:AlN ceramics to determine their suitability as next-generation laser materials.
Bias voltage and optical excitation are used to tune thermalization pathways in an atomically thin graphene-boron nitride-graphene heterostructure.
A Nature News and Views article discussing recent experimental work on the direct propulsion and levitation of graphene.
A review article describing recent experimental and theoretical work that focuses on graphene and carbon nanotubes for solar energy harvesting applications.
Direct time-of-flight measurements yield the time required for electrons and holes to escape a photodiode composed of an individual carbon nanotube.
Photo-excited charge carriers in graphene are found to enhance thermal energy transport leading to an efficient photo-thermoelectric effect.
A cylindrical lattice of repulsive particles can reproduce phyllotaxis; experimental and numerical evidence shows that the phyllotactic lattice is actually an energetic ground state.
High-energy electrons and holes in carbon nanotube photodiodes are found to efficiently generate multiple electron-hole pairs.
Phyllotactic spirals, commonly observed in the spines of a cactus, are found to be the energetic minimum of a dynamic system of repelling dipoles on a cylinder.