
Synthesis of uniform single layer WS2 for tunable ... - Nature
Nov 23, 2017 · Here we report the scalable synthesis of uniform single-layer WS 2 film by a two-step chemical vapor deposition (CVD) method followed by a laser thinning process. The PL …
Strong anisotropic enhancement of photoluminescence in WS2 …
May 12, 2021 · For the indirect bandgap transition in bilayer WS 2, multifold enhancement can be achieved with the photoluminescence (PL) polarization either perpendicular or parallel to the …
Extraordinary Room-Temperature Photoluminescence in Triangular WS2 …
Nov 29, 2012 · Here we describe the direct synthesis of WS 2 monolayers with triangular morphologies and strong room-temperature photoluminescence (PL). The Raman response as …
Nonlinear photoluminescence in monolayer WS2 ... - RSC …
Apr 28, 2017 · We found a red shift and parabolic intensity increase in the PL emission of the monolayer WS 2 with the increasing excitation power and the decay time constants …
Photoluminescence Spectroscopy in WS2 Monolayers - Oxford …
With the help of the Shamrock 500i spectrograph and the iDus 420 CCD detector, the Raman spectrum and the PL spectra of monolayer as a function of liquid gating voltage can be …
Vertical and in-plane heterostructures from WS2/MoS2 …
Sep 28, 2014 · Here, we report a scalable single-step vapour phase growth process for the creation of highly crystalline vertical stacked bilayers and in-plane interconnected WS 2 /MoS …
The relative PL intensity of WS2 (a) and WSe2 (d) multilayers ...
This research explores the impact of the number of WS2 layers on the ability to detect gases by examining the layer-dependent sensing performance of WS2-based gas sensors.
Here we describe the direct synthesis of WS2 monolayers with triangular morphologies and strong room-temperature photoluminescence (PL). Bulk WS2 does not present
Strain engineering in monolayer WS2 and WS2 nanocomposites
Aug 25, 2020 · In this present study, PL and Raman spectroscopy have been combined to monitor the strain distribution and stress transfer of monolayer WS 2 on a flexible polymer …
Polarized photoluminescence spectroscopy in WS2, WSe2
Aug 1, 2021 · In this work, we study the polarized PL spectroscopy of WS 2, WSe 2, and bilayer WS 2 /WSe 2 heterostructures using radially and azimuthally polarized laser beams. Excitation …