Hybrid Structures of ITO-Nanowire-Embedded ITO Film for the Enhanced Si Photodetectors

Table 1

Performance of the ITO-film device, ITO-NW device, and the hybrid-ITO (ITO-nanowire-embedded ITO film) device.

	ITO film	ITO NWs	Hybrid-ITO
Current at +1.5 V (mA/cm^2)	0.0779	0.0762	0.188
Current at −1.5 V (mA/cm^2)	−0.256	−9.21	0.211
Rectifying ratio	161.37	7.167	891.69
Ideality factor	1.73	1.92	1.25
Response ratio (/)	4.85	1.194	7.972
(μA)	−7.27	−8.44	−9.84
(μA)	−1.50	−7.07	−1.23
UV-reactive time () (s)	0.00895	0.00215	0.0016
Recovery time () (s)	0.0004	0.0004	0.0003