Fig. 4: Optical properties of PdSe2 with different layer numbers. | npj 2D Materials and Applications

Fig. 4: Optical properties of PdSe2 with different layer numbers.

From: Layer-dependent optical and dielectric properties of centimeter-scale PdSe2 films grown by chemical vapor deposition

Fig. 4: Optical properties of PdSe2 with different layer numbers.

a Refractive index. b Extinction coefficient. c The real part of the dielectric function. d The imaginary part of the dielectric function. e Correlation between εi and layer numbers at three commonly used laser wavelengths. f Correlation between the central energy of exciton peaks and layer numbers.

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