Table 1.

Performance comparison of heterostructure broadband photodetectors.

Device	Wavelength (nm)	R (A/W)	D* (Jones)	On/off time (ms)	Refs.
Graphene/Bi2Te3	532	35	–	8.7/14.8	13
	980	8.5
	1550	0.22
Perovskite/MoS2	514	68.11	–	0.205/0.206	14
ZnO/PbS	350	51 × 10−6	3.4 × 108	<500	15
	500	7.2 × 10−6	4.9 × 107
	900	11 × 10−6	7.2 × 107
Perovskite/ZnO	White light	28	1.1 × 1012	0.4/0.5 × 103	16
	1357	0.22	9.3 × 109	0.3/0.8 × 103
Perovskite/PDPP3T	365	10.7 × 10−3	6.1 × 109	–	17
	650	25.5 × 10−3	3.2 × 109
	935	5.5	1.5 × 1010
Perovskite/TiO2/Si	350	0.07	5.5 × 1012	–	18
	800	0.87	6 × 1012
	1100	0.2	1.2 × 1012
Perovskite	680	230	1.7 × 1010	4.2/9.4	This work
Germanium	1550	0.8	9.1 × 107	2.2/5.6
Perovskite/Ge	405	395	2.8 × 1010	4.1/9.2
	680	228	1.6 × 1010	1.8/5.1
	980	32	2.2 × 109	2.1/5.7