From concept to reality: pioneering flexible electronics
with laser engineering
R.D. Rodriguez*, M. Fatkullin, A. Lipovka, E. Dogadina, E. Abyzova, I. Petrov, A. Garcia, E. Sheremet
* raul@tpu. ru, www.ters-team.com
Laser processing is becoming more prominent in flexible electronics fabrication thanks to its scalability, sustainability, and versatility [1]. TERS-Team is a research group at Tomsk Polytechnic University that studies nanomaterials and their applications, exploiting laser processing to modify their properties. At the core of our research is the understanding that nanomaterials exhibit unique and tunable properties that can be harnessed for various applications, including electronics, energy storage, catalysis, and biomedicine. An exciting discovery has become the laser-induced formation of composites when irradiating nanomaterials on different substrates. This laser processing approach allows us to tune the material properties and obtain mechanically robust conductive patterns, preserve nanomaterial surface properties, and enhance gas response. We will discuss how this strategy can be applied to functionalized graphene, metallic nanoparticles, and different substrates - allowing the creation of a wide range of devices from piezoresistive and electrochemical sensors to GHz flexible antennas [2]. The mechanism of the nanomaterials and substrate modification, and the potential of these structures for applications in biomedicine, sensing, and heating, will be discussed.
Acknowledgments
The work was supported by Russian Science Foundation grants № 23-42-00081 and № 22-12-20027, and funding from the Tomsk region administration.
[1] A. Lipovka, et al, Laser Processing of Emerging Nanomaterials for Optoelectronics and Photocatalysis, Advanced Optical Materials, (2024).
[2] M. Fatkullin, et al, Nanomaterials/polymer-Integrated Flexible Sensors: A Full-Laser-Processing Approach for Real-Time Analyte Monitoring, IEEE Sens, J. (2024).