Fig. 6: Gamma-ray detection performance of the MAPbI3 SC devices.

The SNRs of a the F-gel-detector and b SAM-detector under 241Am gamma rays. c The energy spectrum measurement with the SAM-detector and F-gel-detector under a 152Eu gamma-ray source at room temperature. d The energy spectrum of the F-gel-detector with different bias voltages under a 152Eu gamma-ray source. e The energy spectrum of the 241Am source measured with the optimal F-gel-detector