Figure 4.

a Scanning electron micrograph of a MoS2 nanotube between Ti/Au metal electrodes; b Current–voltage characteristics in the dark and under illumination for the MoS2 nanotube at room temperature with and without visible light illumination.

Remskar et al. Nanoscale Res Lett 2011 6:26   doi:10.1007/s11671-010-9765-0