Spatially Separated Bipolar Transport and Surface Electron Accumulation in Tungsten Diselenide Nanostructures

Key Points

• The research aims to explore the physical origins of bipolar transport in tungsten diselenide nanostructures.
• Analyzed electron concentration at the surface of WSe2
• Investigated physical mechanisms underlying bipolar transport
• Used nanostructures and bulk samples for comparison
• Confirmed high electron concentration at the surface due to surface electron accumulation
• Revealed the impact of surface states on bipolar transport characteristics