5a). The implementation of Kubelka-Munk function and the Tauc plot linearization allowed the estimation of the effective band gap energy value, i.e., the energy gap resulting from the additional absorption band. It was estimated as shown in Fig. S7 [79], and results to be about 2.5 eV...
Fig. 1: Structural features of ZnS/GaP QSs. Full size image Fig. 2: Optical characteristics of ZnS/GaP QS. Full size image Fig. 3: DFT-computed band diagrams of GaP only and ZnS/GaP systems. Full size image Fig. 4: Energy structure analysis of ZnS/GaP QSs and GaP dots. ...