Applications of graphene in five senses, nervous system, and artificial muscles

J Pang, S Peng, C Hou, H Zhao, Y Fan, C Ye… - ACS …, 2023 - ACS Publications
Graphene remains of great interest in biomedical applications because of biocompatibility.
Diseases relating to human senses interfere with life satisfaction and happiness. Therefore …

Bidirectional phonon emission in two-dimensional heterostructures triggered by ultrafast charge transfer

A Sood, JB Haber, J Carlström, EA Peterson… - Nature …, 2023 - nature.com
Photoinduced charge transfer in van der Waals heterostructures occurs on the 100 fs
timescale despite weak interlayer coupling and momentum mismatch. However, little is …

Elimination of charge recombination centers in metal halide perovskites by strain

L Qiao, WH Fang, R Long… - Journal of the American …, 2021 - ACS Publications
Metal halide perovskites exhibit enhanced photoluminescence and long-lived carriers in
experiments under strain. Using ab initio nonadiabatic molecular dynamics, we demonstrate …

The twist angle has weak influence on charge separation and strong influence on recombination in the MoS 2/WS 2 bilayer: ab initio quantum dynamics

Y Zhu, WH Fang, A Rubio, R Long… - Journal of Materials …, 2022 - pubs.rsc.org
Van der Waals heterojunctions of two-dimensional transition-metal dichalcogenides are
intensely investigated for multiple optoelectronics applications. Strong and adjustable …

Electron-volt fluctuation of defect levels in metal halide perovskites on a 100 ps time scale

B Wang, W Chu, Y Wu, D Casanova… - The Journal of …, 2022 - ACS Publications
Metal halide perovskites (MHPs) have gained considerable attention due to their excellent
optoelectronic performance, which is often attributed to unusual defect properties. We …

Time-domain observation of interlayer exciton formation and thermalization in a MoSe2/WSe2 heterostructure

VR Policht, H Mittenzwey, O Dogadov, M Katzer… - Nature …, 2023 - nature.com
Vertical heterostructures of transition metal dichalcogenides (TMDs) host interlayer excitons
with electrons and holes residing in different layers. With respect to their intralayer …

Ultrafast Charge Transfer and Delayed Recombination in Graphitic-CN/WTe2 van der Waals Heterostructure: A Time Domain Ab Initio Study

A Ghosh, B Ball, S Pal, P Sarkar - The Journal of Physical …, 2022 - ACS Publications
In search of an efficient solar energy harvester, we herein performed a time domain density
functional study coupled with nonadiabatic molecular dynamics (NAMD) simulation to gain …

Multiple -Point Nonadiabatic Molecular Dynamics for Ultrafast Excitations in Periodic Systems: The Example of Photoexcited Silicon

F Zheng, L Wang - Physical Review Letters, 2023 - APS
With the rapid development of ultrafast experimental techniques for the research of carrier
dynamics in solid-state systems, a microscopic understanding of the related phenomena …

Ultrafast Charge-Transfer Dynamics in Twisted MoS2/WSe2 Heterostructures

JE Zimmermann, M Axt, F Mooshammer, P Nagler… - ACS …, 2021 - ACS Publications
Two-dimensional transition metal dichalcogenides offer a fascinating platform for creating
van der Waals heterojunctions with exciting physical properties. Because of their typical type …

Hidden phonon highways promote photoinduced interlayer energy transfer in twisted transition metal dichalcogenide heterostructures

AC Johnson, JD Georgaras, X Shen, H Yao… - Science …, 2024 - science.org
Vertically stacked van der Waals (vdW) heterostructures exhibit unique electronic, optical,
and thermal properties that can be manipulated by twist-angle engineering. However, the …