Starting materials: N/A
Description: Thin films were prepared by dissolving (PipEA)[PbI4] (0.50M) in DMF and was spin-coated onto glass substrates at 3000 rpm for 30 s. The films were then heated to 130ºC for 10 minutes.
Method: steady-state PL spectroscopy
Description: Excitation at 405 nm. Data was collected with a Horiba Fluoromax-3 spectrometer with a 0.5nm wavelength resolution.