Fig. 6

Photoresponsive sensitivity of the V-Bi₂S₃ architectures as a representative system was studied. a The I-V characteristic of a device in the dark and under simulated A M 1.5 illumination. b Logarithmic plot of (a). c Time dependence of current of Bi₂S₃ micro-flower at a bias of 5 V in the dark and under simulated A M 1 illumination. d The enlarged portion of the 29–59 s and 59–61 s