Probing excitons with time-resolved momentum microscopy
Excitons–two-particle correlated electron-hole pairs–are the dominant low-energy optical
excitation in the broad class of semiconductor materials, which range from classical silicon …
excitation in the broad class of semiconductor materials, which range from classical silicon …
The interlayer twist effectively regulates interlayer excitons in InSe/Sb van der Waals heterostructure
The interlayer twist angle endows a new degree of freedom to manipulate the spatially
separated interlayer excitons in van der Waals (vdWs) heterostructures. Herein, we find that …
separated interlayer excitons in van der Waals (vdWs) heterostructures. Herein, we find that …
Ultrafast dynamics of bright and dark excitons in monolayer WSe2 and heterobilayer WSe2/MoS2
JP Bange, P Werner, D Schmitt, W Bennecke… - 2D …, 2023 - iopscience.iop.org
The energy landscape of optical excitations in mono-and few-layer transition metal
dichalcogenides (TMDs) is dominated by optically bright and dark excitons. These excitons …
dichalcogenides (TMDs) is dominated by optically bright and dark excitons. These excitons …
Electrically tunable non-radiative lifetime in WS 2/WSe 2 heterostructures
Van der Waals heterostructures based on transition metal dichalcogenides (TMDs) have
emerged as excellent candidates for next-generation optoelectronics and valleytronics, due …
emerged as excellent candidates for next-generation optoelectronics and valleytronics, due …
Correlation-driven nonequilibrium exciton site transition in a WSe2/WS2 moiré supercell
Moiré superlattices of transition metal dichalcogenides offer a unique platform to explore
correlated exciton physics with optical spectroscopy. Whereas the spatially modulated …
correlated exciton physics with optical spectroscopy. Whereas the spatially modulated …
Interface Engineering for Efficient Photocarrier Generation and Transfer in Strongly Coupled Metallic/Semiconducting 1T′/2H MoS2 Heterobilayers
J Dong, Z Wu, C HuangFu, Y Su, X Zheng, W Wu… - ACS …, 2024 - ACS Publications
Develo** alternative two-dimensional (2D) metallic/semiconducting (M/S) van der Waals
heterostructures (vdWHs) along with an understanding of interfacial photocarrier behavior is …
heterostructures (vdWHs) along with an understanding of interfacial photocarrier behavior is …
Ultrafast Control over Stiffening and Softening of Coherent Interlayer Coupling in WSe2/WS2 Heterobilayers
Twisted van der Waals heterostructures have led to emerging layer-dependent correlated
physics in moiré potentials. While optoelectronic controls over interlayer electronic coupling …
physics in moiré potentials. While optoelectronic controls over interlayer electronic coupling …
Identification of Two-Dimensional Interlayer Excitons and Their Valley Polarization in MoSe2/WSe2 Heterostructure with h-BN Spacer Layer
Interlayer excitons (IXs) in the heterostructure of monolayer transition metal dichalcogenides
(TMDs) are considered as a promising platform to study fundamental exciton physics and for …
(TMDs) are considered as a promising platform to study fundamental exciton physics and for …
Exciton Emission Enhancement in Two-Dimensional Monolayer Tungsten Disulfide on a Silicon Substrate via a Fabry–Pérot Microcavity
Exciton emitters in two-dimensional monolayer transition-metal dichalcogenides (TMDs)
provide a boulevard for the emerging optoelectronic field, ranging from miniaturized light …
provide a boulevard for the emerging optoelectronic field, ranging from miniaturized light …
Sub-100 fs Formation of Dark Excitons in Monolayer WS2
PV Kolesnichenko, L Wittenbecher, Q Zhang… - Nano Letters, 2024 - ACS Publications
Two-dimensional semiconducting transition metal dichalcogenides are promising materials
for optoelectronic applications due to their strongly bound excitons. While bright excitons …
for optoelectronic applications due to their strongly bound excitons. While bright excitons …