Figure 2
From: Exciton binding energy and hydrogenic Rydberg series in layered ReS2
(a) Polarization-resolved photoluminescence spectra, measured at 8° intervals from 30° to 120°. (b) The integrated PL intensity of the X1(1) and X2(1) ground states emission plotted as a function of the polarization angle. The data are presented in a polar plot over a 360° range for clarity.
