Phonon and Raman scattering of two-dimensional transition metal dichalcogenides from monolayer, multilayer to bulk material

X Zhang, XF Qiao, W Shi, JB Wu, DS Jiang… - Chemical Society …, 2015‏ - pubs.rsc.org
Two-dimensional (2D) transition metal dichalcogenide (TMD) nanosheets exhibit
remarkable electronic and optical properties. The 2D features, sizable bandgaps and recent …

Two-dimensional MoS2: A promising building block for biosensors

X Gan, H Zhao, X Quan - Biosensors and Bioelectronics, 2017‏ - Elsevier
Abstract Recently, two-dimensional (2D) layered nanomaterials have trigged intensive
interest due to the intriguing physicochemical properties that stem from a quantum size effect …

Optical Properties and Band Gap of Single- and Few-Layer MoTe2 Crystals

C Ruppert, B Aslan, TF Heinz - Nano letters, 2014‏ - ACS Publications
Single-and few-layer crystals of exfoliated MoTe2 have been characterized
spectroscopically by photoluminescence, Raman scattering, and optical absorption …

Intervalley scattering by acoustic phonons in two-dimensional MoS2 revealed by double-resonance Raman spectroscopy

BR Carvalho, Y Wang, S Mignuzzi, D Roy… - Nature …, 2017‏ - nature.com
Double-resonance Raman scattering is a sensitive probe to study the electron-phonon
scattering pathways in crystals. For semiconducting two-dimensional transition-metal …

Antibacterial activity of two-dimensional MoS 2 sheets

X Yang, J Li, T Liang, C Ma, Y Zhang, H Chen… - Nanoscale, 2014‏ - pubs.rsc.org
Graphene-like two-dimensional materials (2DMats) show application potential in
optoelectronics and biomedicine due to their unique properties. However, environmental …

Probing the edge-related properties of atomically thin MoS2 at nanoscale

TX Huang, X Cong, SS Wu, KQ Lin, X Yao… - Nature …, 2019‏ - nature.com
Defects can induce drastic changes of the electronic properties of two-dimensional transition
metal dichalcogenides and influence their applications. It is still a great challenge to …

Excited Excitonic States in 1L, 2L, 3L, and Bulk WSe2 Observed by Resonant Raman Spectroscopy

E Del Corro, H Terrones, A Elias, C Fantini, S Feng… - ACS …, 2014‏ - ACS Publications
Resonant Raman spectroscopy (RRS) is a very useful tool to study physical properties of
materials since it provides information about excitons and their coupling with phonons. We …

Recent Advancement on the Optical Properties of Two-Dimensional Molybdenum Disulfide (MoS2) Thin Films

M Ye, D Winslow, D Zhang, R Pandey, YK Yap - Photonics, 2015‏ - mdpi.com
The emergence of two-dimensional (2D) materials has led to tremendous interest in the
study of graphene and a series of mono-and few-layered transition metal dichalcogenides …

Symmetry-Dependent Exciton-Phonon Coupling in 2D and Bulk Observed by Resonance Raman Scattering

BR Carvalho, LM Malard, JM Alves, C Fantini… - Physical review …, 2015‏ - APS
This work describes a resonance Raman study performed on samples with one, two, and
three layers (1 L, 2 L, 3 L), and bulk MoS 2, using more than 30 different laser excitation …

Raman and photoluminescence spectra of two-dimensional nanocrystallites of monolayer WS2 and WSe2

W Shi, ML Lin, QH Tan, XF Qiao, J Zhang, PH Tan - 2D Materials, 2016‏ - iopscience.iop.org
Defects strongly modify optical properties in pristine and nanostructured two-dimensional
(2D) materials. The ion implantation technique can be used to gradually introduce defects in …