Fig. 5

(a) Typical I–V curves of Ti4O7 films (deposited at Ts= 25 °C) under dark and light conditions; (b) photoresponse of the Ti4O7 films as a function of their Ts.

(a) Typical I–V curves of Ti4O7 films (deposited at Ts= 25 °C) under dark and light conditions; (b) photoresponse of the Ti4O7 films as a function of their Ts.