Dec 3, 2021 · The discovery of anisotropic carrier mobility from 2H WSe 2 provides a degree of freedom for adjusting the physical properties of 2H TMDCs and fertile ground for exploring and integrating TMDC electronic transistors with better performance along the direction of …

Jul 24, 2020 · We report a facile two-furnace APCVD synthesis of 2H-WSe 2. A systematic study of the process parameters is performed to show the formation of the phase-pure material. Extensive characterization of the bulk and exfoliated material confirm that …

Aug 27, 2014 · We present in this work a RRS study of samples of WSe 2 with one, two, and three layers (1L, 2L, and 3L), as well as bulk 2H-WSe 2, using up to 20 different laser lines covering the visible range. The first- and second-order Raman features exhibit different resonant behavior, in agreement with the double (and triple) resonance mechanism(s).

Jan 18, 2021 · In the present study, we performed CD-ARPES on 2H-WSe 2 with the crystal mirror plane taken as the experimental mirror plane. Within such an experimental constraint, two experimental...

Mar 1, 2023 · We studied the structural and electrochemical properties of high yield few-layered 2H-WSe 2 nanosheets in a reproducible manner. The confirmation of 2H phase was done via powder X-ray diffraction (XRD), Raman spectroscopy (RS), and X-ray photoelectron spectroscopy (XPS) measurements.

Feb 8, 2022 · In this work, the conversion of 2H phase tungsten selenide (2H-WSe 2) into 1T phase tungsten selenide (1T-WSe 2) was induced by 1 MeV electron irradiation to improve its electrocatalytic performance.

Oct 29, 2018 · We investigate the hidden Berry curvature in bulk $2H\text{\ensuremath{-}}{\mathrm{WSe}}_{2}$ by utilizing the surface sensitivity of angle resolved photoemission (ARPES).

Jun 30, 2016 · The orbital symmetry of the band structure of 2 H -WSe 2 (0 0 0 1) has been investigated by means of angle-resolved photoelectron spectroscopy (ARPES) and density functional theory (DFT).

Combining second harmonic generation (SHG), low-frequency Raman and scanning transmission electron microscopy (STEM), we elucidate the as-grown bilayer WSe 2 with a 2H stacking configuration.

Jul 15, 2024 · 2H-phase WSe 2 Photodetectors shows good photoresponse and high detection rates. The controlled preparation of the most stable 2H phase in transition metal dichalcogenides (TMDCs) is essential for advancing electronic and optoelectronic devices in applied research.