Multifunctional Schottky-diode circuit comprising palladium/molybdenum disulfide nanosheet

Area of Science:

• Materials Science
• Condensed Matter Physics
• Nanoscience

Background:

• Two-dimensional (2D) materials beyond graphene, such as molybdenum disulfide (MoS2), are increasingly explored for electronic devices.
• While field-effect transistors dominate MoS2 research, P-N or Schottky diodes are crucial for diverse functionalities.
• Developing novel MoS2-based diodes is essential for advancing electronic applications.

Purpose of the Study:

• To fabricate and characterize a palladium (Pd)-driven MoS2 Schottky diode.
• To investigate the multifunctional capabilities of the fabricated MoS2 diode and its circuits.
• To explore applications in dynamic electrical rectification, visible light sensing, and hydrogen gas sensing.

Main Methods:

• Fabrication of a Schottky diode using MoS2 and palladium.
• Electrical characterization of the MoS2 Schottky diode.
• Testing the device's performance as a rectifier, visible light sensor, and hydrogen gas sensor.

Main Results:

• Successful fabrication of a functional Pd-driven MoS2 Schottky diode.
• Demonstration of dynamic electrical rectification capabilities.
• Evidence of visible light sensing and hydrogen gas sensing properties.

Conclusions:

• The Pd-driven MoS2 Schottky diode is a promising platform for multifunctional electronic devices.
• This work highlights the potential of MoS2 diodes beyond traditional transistor applications.
• The developed device offers a pathway for integrated sensing and rectifying functionalities.