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Table 1 UV photoresponse properties of the fabricated BFO (10), BFO(15) and BFO (20) photodetector

From: Study on thickness-dependence characteristics of bismuth ferrite (BFO) for ultraviolet (UV) photodetector application

Sample Thickness Photo responsivity (mA/W) Dark current (mA) Photo current (mA) External quantum efficiency (EQE) % Rise time (s) Fall time (s)
BFO (10) 243 ± 7 nm 80 4.14 4.46 27.10 9 ± 0.15 22 ± 0.14
BFO (15) 365 ± 15 nm 110 3.48 3.91 37.30 6 ± 0.41 17 ± 0.39
BFO (20) 660 ± 12 nm 42 2.21 2.38 14.20 11 ± 0.17 27 ± 0.14