Fig. 1. (a) Schematic diagram of the device structure. (b) Transmittance of the device in visible band

Fig. 2. Scanning electron microscope images of (a) sc-SWCNT film deposited by spin coating, (b) sc-SWCNT/C₆₀ heterogeneous composite film and (c) m-SWCNT film

Fig. 3. Raman statistical analysis of sc-SWCNT /C₆₀ film. Raman spectra of (a) sc-SWCNT (black) and (b) sc-SWCNT /C₆₀ (blue) under 514 nm laser irradiation

Fig. 4. (a) I_ds-V_gs curve and (b) I_ds-V_ds curve of the all-carbon device

Fig. 5. (a) I_ds-V_ds curve and (b) I_ds-T curve of the all-carbon device under 405, 514, 650, 780, 860, 940, 1064 nm laser irradiation