Fig. 3
a Photoconductivity current responses on switching on (arrow up) and switching off (arrow down) illumination of (red square) SbSI gel and (blue square) array of a few SbSI nanowires in moist N2 (RH = 53%). b Influence of humidity on stationary value of photoconductivity current flowing under constant illumination (λ = 488 nm; T = 280 K; p = 4 × 104 Pa)