Surface charge transfer doping of low‐dimensional nanostructures toward high‐performance nanodevices

X Zhang, Z Shao, X Zhang, Y He, J Jie - Advanced Materials, 2016 - Wiley Online Library
Device applications of low‐dimensional semiconductor nanostructures rely on the ability to
rationally tune their electronic properties. However, the conventional doping method by …

Time-domain ab initio modeling of photoinduced dynamics at nanoscale interfaces

L Wang, R Long, OV Prezhdo - Annual review of physical …, 2015 - annualreviews.org
Nonequilibrium processes involving electronic and vibrational degrees of freedom in
nanoscale materials are under active experimental investigation. Corresponding theoretical …

Tuning the electronic properties of MoSi2N4 by molecular doping: A first principles investigation

Z Cui, Y Luo, J Yu, Y Xu - Physica E: Low-dimensional Systems and …, 2021 - Elsevier
MoSi 2 N 4 is a recently developed 2D material that exhibits remarkable thermal,
mechanical, electronic, and optical properties. We used first principles calculations to study …

Energetics, charge transfer, and magnetism of small molecules physisorbed on phosphorene

Y Cai, Q Ke, G Zhang, YW Zhang - The Journal of Physical …, 2015 - ACS Publications
First-principles calculations are performed to investigate the interaction of physisorbed small
molecules, including CO, H2, H2O, NH3, NO, NO2, and O2, with phosphorene, and their …

Single-layered hittorf's phosphorus: a wide-bandgap high mobility 2D material

G Schusteritsch, M Uhrin, CJ Pickard - Nano letters, 2016 - ACS Publications
We propose here a two-dimensional material based on a single layer of violet or Hittorf's
phosphorus. Using first-principles density functional theory, we find it to be energetically very …

A first-principles study of gas adsorption on germanene

W Xia, W Hu, Z Li, J Yang - Physical Chemistry Chemical Physics, 2014 - pubs.rsc.org
The adsorption of common gas molecules (N2, CO, CO2, H2O, NH3, NO, NO2, and O2) on
germanene is studied with density functional theory. The results show that N2, CO, CO2, and …

Silicene as a highly sensitive molecule sensor for NH 3, NO and NO 2

W Hu, N Xia, X Wu, Z Li, J Yang - Physical Chemistry Chemical Physics, 2014 - pubs.rsc.org
On the basis of first-principles calculations, we demonstrate the potential application of
silicene as a highly sensitive molecule sensor for NH3, NO, and NO2 molecules. NH3, NO …

Mechanism of charge transfer and its impacts on Fermi-level pinning for gas molecules adsorbed on monolayer WS2

C Zhou, W Yang, H Zhu - The Journal of chemical physics, 2015 - pubs.aip.org
Density functional theory calculations were performed to assess changes in the geometric
and electronic structures of monolayer WS 2 upon adsorption of various gas molecules (H 2 …

Exceptional optical absorption of buckled arsenene covering a broad spectral range by molecular doping

M Sun, JP Chou, J Gao, Y Cheng, A Hu, W Tang… - ACS …, 2018 - ACS Publications
Using density functional theory calculations, we demonstrate that the electronic and optical
properties of a buckled arsenene monolayer can be tuned by molecular doping. Effective p …

High-responsivity graphene-on-silicon slot waveguide photodetectors

J Wang, Z Cheng, Z Chen, X Wan, B Zhu, HK Tsang… - Nanoscale, 2016 - pubs.rsc.org
We demonstrated strong optical absorption in a graphene integrated silicon slot waveguide.
Due to the increase in light intensity and decrease of optical mode confinement in the silicon …