Insulator Material Deposited with Molybdenum Disulphide Prospective for Sensing Application

Area of Science:

• Materials Science
• Nanotechnology
• Surface Chemistry

Background:

• Two-dimensional molybdenum disulfide (MoS2) shows promise for micro and nano-electronic devices.
• Surface quality is critical for the sensing capabilities of MoS2-based devices.

Purpose of the Study:

• To deposit MoS2 layers onto polymer substrates using pulsed laser deposition (PLD).
• To characterize the composition and structure of the resulting MoS2 films.
• To preliminarily assess the potential of the fabricated composite for sensor applications.

Main Methods:

• Pulsed Laser Deposition (PLD) for MoS2 film fabrication on polymers.
• Mass Quadrupole Spectrometry (MQS) for monitoring PLD emissions and analyzing Mo/S compounds.
• Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR) spectroscopy for chemical analysis.
• Atomic Force Microscopy (AFM) for surface morphology investigation.

Main Results:

• PLD parameters significantly influence the properties of the deposited MoS2 films.
• Characterization confirmed the formation of MoS2 layers with varying compositions and structures.
• The study provides a foundation for understanding MoS2 film deposition on polymers via PLD.

Conclusions:

• The PLD technique offers a method for fabricating MoS2 films on polymer substrates.
• The characterized MoS2/polymer composites show potential for sensor applications.
• Further research is warranted to optimize fabrication and explore sensing performance.