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. 2020 Sep 7;11:4442. doi: 10.1038/s41467-020-18307-w

Fig. 4. Temperature-dependent degree of polarization from PbI2/WS2 heterostructures.

Fig. 4

a Circularly polarized PL spectra of PbI2/WS2 heterostructure at different temperatures for excitation with a 488 nm σ− polarized CW laser beam. b Degree of polarization ρ of PL from PbI2 as a function of temperature, showing a decreasing tendency at lower temperatures.