Fig. 9
From: Impact of halide variation on the optoelectronic properties of double perovskites
(a) Absorption spectra of \(Cs_{2}AgBiX_{6}\) (X=Br,Cl). Calculated indirect bandgap values using the Tauc plot method for (b) \(Cs_{2}AgBiBr_{6}\) and (c) \(Cs_{2}AgBiCl_{6}\) systems.
