Figure 2
From: Efficient light harvesting using simple porphyrin-oxide perovskite system

(a) X-ray diffraction pattern of BaSnO3 perovskite (BSO and BSO-A); inset shows impure BaSnO3 perovskite with SnO2 phase impurity (b) Raman spectrum (c) PL spectra of BSO and BSO-A samples (d) UV–Vis spectrum of BSO and BSO-A; inset shows corresponding Tauc’s plot.