Optical constants of MoS2 (Molybdenum disulfide)
Ermolaev et al. 2020: monolayer (1L) film; n,k 0.290-3.30 µm
Complex refractive index (n+ik)
Derived optical constants
Conditions & Spec sheet
n_absolute: true wavelength_vacuum: true film_thickness: 1L substrate: SiO2/Si
Broadband optical constants of monolayer MoS2 on SiO2/Si substrate were measured by spectroscopic ellipsometry in the spectral range 290–3300 nm. Tauc-Lorentz oscillators were used in ellipsometry model to describe the optical response of excitons.
G. A. Ermolaev, Yu. V. Stebunov, A. A. Vyshnevyy, D. E. Tatarkin, D. I. Yakubovsky, S. M. Novikov, D. G. Baranov, T. Shegai, A. Y. Nikitin, A. V. Arsenin, V. S. Volkov. Broadband optical properties of monolayer and bulk MoS2, NPJ 2D Mater. Appl., 4, 21 (2020) (Numerical data kindly provided by Georgy Ermolaev)