Microscale deposition of 2D materials via laser induced backwards transfer (Conference Presentation)

Matthew F. Praeger; Robert W. Eason; Ben Mills

doi:10.1117/12.2541964

9 March 2020 Microscale deposition of 2D materials via laser induced backwards transfer (Conference Presentation)

Matthew F. Praeger, Robert W. Eason, Ben Mills

Proceedings Volume 11271, Laser 3D Manufacturing VII; 112710D (2020) https://doi.org/10.1117/12.2541964
Event: SPIE LASE, 2020, San Francisco, California, United States

Abstract

2D materials such as graphene have great potential as the basis for novel optoelectronic devices. Typically, 2D materials are produced via chemical vapor deposition and therefore form continuous layers. Here Laser Induced Backwards Transfer (LIBT) is used to deposit pixels of 2D materials with precisely controlled size, shape and position. In LIBT, part of the laser energy that is absorbed in the donor substrate becomes kinetic energy imparted to the 2D material, causing localised transfer of 2D material onto the receiver. The capability to deposit high-quality intact 2D materials, in well-defined microscale pixels will eliminate costly and time-consuming lithographic processing.

Conference Presentation

Citation Download Citation

Matthew F. Praeger, Robert W. Eason, and Ben Mills "Microscale deposition of 2D materials via laser induced backwards transfer (Conference Presentation)", Proc. SPIE 11271, Laser 3D Manufacturing VII, 112710D (9 March 2020); https://doi.org/10.1117/12.2541964

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KEYWORDS

Pulsed laser operation

Receivers

Digital micromirror devices

Laser applications

Polymer thin films

Polymers

Additive manufacturing

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