Fig. 4
(a) Absorbance as a function of wavelengths and (b–f) the variation of photon energy (hν) versus (αhν)2 for pure RPET and Nd2O3-doped RPET.
Fig. 4 | Scientific Reports
(a) Absorbance as a function of wavelengths and (b–f) the variation of photon energy (hν) versus (αhν)2 for pure RPET and Nd2O3-doped RPET.
