Table 1 Comparisons of photovoltaic UV-C detectors with different device structures and channel layer growth methods.

From: Photovoltaic and flexible deep ultraviolet wavelength detector based on novel β-Ga2O3/muscovite heteroepitaxy

Material structure

Device structure

Growth technique (Ga2O3)

TGrowth

(°C)

Idark

(A)

Iphoto

(A)

Popt

(μW/cm2), wavelength

Flexible

Refs.

PEDOT:PSS /Ga2O3

p–n

MOCVD

860

 ~ 0.1 p

 ~ 4 n

1000, 254 nm

No

55

PEDOT:PSS /Ga2O3 nanowire

p–n

CVD

1120

 < 0.1 p

–, 245 nm

No

56

Spiro-MeOTAD/Ga2O3

p–n

MOCVD

860

75 f.

12 n

80, 254 nm

No

57

ZnO/Ga2O3 microwire

n–n

CVD

1200

 ~ 1.0 p

 ~ 5.0 n

1670, 251 nm

No

58

SiO2/Ga2O3

MOS

MOCVD

735

 ~ 2 f.

 ~ 0.2 n

30, 254 nm

No

59

Ni/Ga2O3

Schottky

Sputtering

750

 ~ 5 f.

 ~ 9 p

150, 254 nm

No

60

α/β Ga2O3

Phase Junction

Chemical route

700

1.72 n

211 n

3000, 254 nm

No

61

Au/Ga2O3

MSM

Single crystal

0.18 n

2.7 n

1780, 254 nm

No

62

Pt/Ga2O3

MSM

PLD

550

800 f.

36 p

75, 265 nm

Yes

This work