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Updated: Nov 15, 2025

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

Laser printed two-dimensional transition metal dichalcogenides.

Omar Adnan Abbas¹, Adam Henry Lewis¹, Nikolaos Aspiotis¹

¹Optoelectronics Research Centre, University of Southampton, Southampton, SO17 1BJ, UK.

Scientific Reports

|March 5, 2021

Summary

Researchers developed a laser printing method for direct synthesis of 2D transition metal dichalcogenide (TMDC) devices. This ambient, low-cost technique bypasses complex vacuum processes, enabling scalable mass production.

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Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol

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Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication

Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication

Published on: November 28, 2017

Area of Science:

Materials Science
Nanotechnology
Laser Processing

Background:

Transition metal dichalcogenides (TMDCs) are crucial 2D materials with versatile applications.
Current TMDC synthesis and device fabrication rely on complex, expensive, vacuum-based methods like CVD and lithography.
These conventional methods limit the development of cost-effective and rapid fabrication protocols.

Purpose of the Study:

To demonstrate a facile, low-cost, and scalable method for direct synthesis of 2D-TMDC devices.
To overcome the limitations of traditional vacuum-based fabrication processes.
To achieve spatially selective synthesis of TMDC devices with high-quality properties.

Main Methods:

Direct laser printing of 2D-TMDC devices under ambient conditions.
Utilizing laser-induced processes to bypass extensive lithography and thermal treatments.
Employing conventional laser printing technologies like spatial light modulation for scalability.

Main Results:

Successful direct, spatially selective synthesis of 2D-TMDC devices.
Achieved excellent electrical, Raman, and photoluminescence properties in the fabricated devices.
Demonstrated the potential for mass production using scalable laser printing approaches.

Conclusions:

Laser printing offers a versatile and efficient alternative for 2D-TMDC device fabrication.
The developed method significantly reduces cost and complexity compared to traditional techniques.
This approach paves the way for large-scale, ambient production of high-performance TMDC-based nanodevices.