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 …

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 …

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 …

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 …

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 …

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 …

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

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 …

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 …