Hole Transport Behaviour of Various Polymers and Their Application to Perovskite-Sensitized Solid-State Solar Cells

Figure 1

(a) X-ray diffraction of CH₃NH₃PbI₃ perovskite materials prepared as powder form and inset shows tetragonal structure of materials. (b) UV-visible spectra prepared from γ-butyrolactone (GBL) and dimethylformamide (DMF). indicates the XRD peaks of CH3NH3PbI3 perovskite materials.

(a)

(b)