Ultrafast Optical Control of Exciton Diffusion in WSe2/Graphene Heterostructures Revealed by Heterodyne Transient Grating Spectroscopy
L Rieland, J Wagner, R Bernhardt, T Wang… - Nano Letters, 2024 - ACS Publications
Using heterodyne transient grating spectroscopy, we observe a significant enhancement of
exciton diffusion in a monolayer WSe2 stacked on graphene. The diffusion dynamics can be …
exciton diffusion in a monolayer WSe2 stacked on graphene. The diffusion dynamics can be …
Characterizing microscale energy transport in materials with transient grating spectroscopy
Microscale energy transport processes are crucial in microelectronics, energy-harvesting
devices, and emerging quantum materials. To study these processes, methods that can …
devices, and emerging quantum materials. To study these processes, methods that can …
Transient strain-induced electronic structure modulation in a semiconducting polymer imaged by scanning ultrafast electron microscopy
Understanding the optoelectronic properties of semiconducting polymers under external
strain is essential for their applications in flexible devices. Although prior studies have …
strain is essential for their applications in flexible devices. Although prior studies have …
Attosecond transient grating spectroscopy with near-infrared grating pulses and an extreme ultraviolet diffracted probe
Transient grating spectroscopy has become a mainstay among metal and semiconductor
characterization techniques. Here we extend the technique towards the shortest achievable …
characterization techniques. Here we extend the technique towards the shortest achievable …