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Figure 3 The luminescence properties and theoretical calculations for [HCPP]2[ZnBr4], showing (a) the solid-state UV–Vis absorption spectrum of [HCPP]2[ZnBr4], (b) the excitation and emission spectra of organic molecule CPP and [HCPP]2[ZnBr4], (c) the CIE chromaticity coordinates, (d) the PL decay curves of CPP and [HCPP]2[ZnBr4], (e) DOS and (f) calculated band structure. |