fig5

Figure 5. Perovskite damage with reduced dose and inert atmosphere. Sample irradiated with (A) 1.9 GGy and (B) 0.7 GGy in RT-N2. From left to right, nano-XRF damage scan, nano-XRF probe scan and µ-FTIR (1,700 cm-1). (C and D) Respective µ-PL at RT-N2.