All-Perovskite Photodetector with Fast Response

Table 1 Comparison of the device performances of CH₃NH₃PbI_3−xCl_x/CsPbBr₃ device with its single counterparts

Active materials	Photoresponsivity (A W⁻¹ )	Rise time (ms)	Fall time (ms)	Ref.
CH₃NH₃PbI_3−xCl_x	620	200	100	[47]
CsPbBr₃ QDs	0.005	0.20	1.30	[48]
CH₃NH₃PbI_3−xCl_x/CsPbBr₃	0.39	0.121	0.107	This work