Two Dimensional (2D) Nanomembranes: Can They Outperform Lower Dimension Nanocrystals?
Babak Nikoobakht, Xiuling Li
Inorganic nanomembranes, analogues to graphene, are expected to impact a wide range of device concepts including thin film- or flexible platforms. Size dependent properties and high surface area, two key characteristics of zero- (0D) and one-dimension (1D) nanocrystals, are still present in most nanomembranes rendering their use more probable in practical applications. These advantages make them strong contenders for outpacing 0D- and 1D-nanocrystals that are often difficult to integrate into commercial device technologies. This perspective highlights an important progress by Wang et al. in large scale fabrication of free-standing nanomembranes using a solution-based technique. Its simplicity and elimination of typical delamination processes used in top-down nanomembrane fabrications are among the strengths of this technique. Areas for improvement along with an overview of other related work are also discussed.
Nanomembrane, nanowires, two dimensional nanocrystals, quantum well, zinc oxide