Table 2. Comparative Study of Operating Parameters of the Present Junction with Other Published Data.

sample	bias (V)	detectable illumination	responsivity (mA/W)	reference
Ti/TiO2 NW/Pt	5	390 nm	7 × 10–2	Tsai et al.54
FTO/TiO2 NR/polyfluorene/Au	5	UV light (3.6 mW/cm2)	3	Han et al.55
FTO/TiO2 NRs cloths/FTO	–1	365 nm (1.25 mW/cm2)	17	Wang et al.56
FTO/TiO2 NR/PFH/Au	0	365 nm (3.2 mW/cm2)	14	Han et al.57
		395 nm	33
p-Si(111)/TiO2 NRs/platinum	5	365 nm (2.3 mW/cm2)	70	Selman et al.58
Ti sheet/hydrogenated TiO2 NTs	0.7	solar light (100 mW/cm2)	1.2	Wei et al.59
		visible light (100 mW/cm2)	0.3
Au/TiO2 NR/Au (S3)	–4	350 nm (0.57 mW/cm2)	4.2 × 102	this work
		400 nm (0.88 mW/cm2)	7.1 × 102
		470 nm (1.28 mW/cm2)	68
		570 nm (0.76 mW/cm2)	78