Table 1 Previously reported hot electron-based photodetectors

From: Circularly polarized light-sensitive, hot electron transistor with chiral plasmonic nanoparticles

Light type

Range

Wavelength

Device structure

Photoresponsivity

Ref

Circularly Polarized Light

NIR

1.35 μm

Chiral Ag/ Si

~4.3 mA/W

(LCP)

~1.5 mA/W

(RCP)

9

Visible

780 nm

Chiral Au NP/IGZO Transistor

4.26 mA/W

(Vg = 0 V, LCP)

6.50A/W

(Vg=20V, LCP)

2.37 mA/W

(Vg = 0 V, RCP)

3.62A/W

(Vg=20V, RCP)

Our Works

 

635 nm

 

0.98 mA/W

(Vg = 0 V, LCP)

1.37A/W

(Vg=20V, LCP)

1.08 mA/W

(Vg = 0 V, RCP)

1.81A/W

(Vg=20V, RCP)

Our Works

Linearly Polarized Light

 

1.31, 1.55 μm

Au/n-Si

13.3 mA/W

19

NIR

1.55 μm

Au/graphene/n-Si

85 mA/W(V = 0.1 V)

0.37 A/W (V = 3 V)

20

 

1.2–1.8 μm

Au,Pd/p-Si

1 A/W

21

 

400–750 nm

Au NP/TiO2

9 μA/W

22

Visible

400–900 nm

Au/TiO2

70 mA/W

23

 

450–700 nm

Au NP/ZnO Transistor

0.14 A/W(Vg = 0 V)

~3 A/W(Vg = 20 V)

24