Table 1.

Performance comparison of our Gr/MoSe₂/Si heterojunction‐based photodetector with other photodetectors in literatures

Devices	Wavelength [nm]	Detectivity [Jones]	Pulsed light frequency [Hz]	Rise time [μs]	Fall time [μs]	References
Gr/MoSe2/Si heterojunction	365–1310	7.13 × 1010	106	0.27	0.35	This work
Monolayer MoSe2 phototransistor	532, 650	_	_	2.5 × 104	2.5 × 104	43
MoSe2 nanosheets photoconductor	650	_	_	2.9 × 106	4.6 × 106	44
Monolayer MoSe2 photoconductor	532	_	_	6 × 104	6 × 104	45
MoSe2 nanostructure photoconductor	650	_	_	7.9 × 106	9.8 × 106	51
Multilayer MoSe2 phototransistor	532	_	_	1.5 × 104	3 × 104	52
Multilayer MoS2 phototransistor	532	≈1010	_	70	110	53
Gr/Si heterojunction	400‐900	2.1 × 108	20	1.2 × 103	3 × 103	54