Stacking of MoS 2 monolayers by sequential electrochemical thinning of bulk crystals

Key Points

• This research aims to develop a method for stacking MoS2 monolayers using electrochemical thinning of bulk materials.
• Used sequential electrochemical thinning of bulk MoS2 flakes on Au electrodes.
• Achieved controlled stacking of MoS2 monolayers up to approximately 550 µm in height.
• Analyzed the structural integrity and functionality of the stacked layers.
• Successfully stacked MoS2 monolayers with preserved 2H phase.
• Demonstrated substantial control over the vertical stacking process.
• Achieved large-area configurations suitable for future applications.