Comment on “Electrical-Driven Transport of Endohedral Fullerene Encapsulating a Single Water Molecule”

A Comment on the Letter by B. Xu and X. Chen, Phys. Rev. Lett. 110, 156103 (2013).

Figure 1

Axial position transport history of ${\mathrm{H}}_2{\mathrm{O@C}}_{60}$ when the electric intensity $E=0.2\mathrm{V}/\mathrm{nm}$ is applied along the $+Z$ direction of the nanochannel. The inset shows the curves overlapping the area in detail.