Figure 3From: Optical properties of exfoliated MoS2 coaxial nanotubes - analogues of graphene Aging. Absorption spectra of MoS2 during the exfoliation process: (a) the initial sample containing Li-MoS2; (b) the completely exfoliated MoS2 nanotubes; (c) the completely exfoliated MoS2 nanotubes after 29 days.Back to article page