CC BY
3Laser-assisted synthesis of materials for electrochemical
applications
E. Khairullina1'2*, A. Levshakova1, M. Kaneva13, M. Panov14, A. Manshina1
1- St. Petersburg University, 7/9 Universitetskaya Emb., St. Petersburg 199034, Russia 2- School of Physics and Engineering, ITMO University, Lomonosova, 9, Saint-Petersburg, 191002, Russia
3- Ioffe Institute, St. Petersburg 194021, Russia 4- St. Petersburg State Chemical Pharmaceutical University Faculty of Pharmaceutical Technology, Professor
Popov Str., 14, Lit. A, St. Petersburg 197022, Russia
* e.khayrullina@spbu.ru
Materials for electrochemical applications, including sensors, batteries and supercapacitors, are a rapidly evolving field with a constant search for innovative synthesis methods to improve performance, durability and efficiency. The development of novel materials with properties optimised for supercapacitors and sensors can be achieved by harnessing the precision and controlled energy input offered by laser technology.
In this work, we explore various laser-assisted techniques for the fabrication of materials for electrochemical applications, with a particular interest in non-enzymatic electrochemical sensors. Special attention is given to flexible sensors, which are rapidly becoming a dynamic group due to their mechanical adaptability. The prospects for using flexible electrochemical sensors in wearable electronics are particularly significant, as they can provide continuous real-time monitoring. A major focus has been the study of laser-induced processes for the reduction of transition metals ions at the substrate-precursor interface, leading to the formation of conductive metallic structures. These structures have been used as working electrodes in sensor systems, demonstrating their potential for electrochemical detection of a broad spectrum of target substances.
The effects of laser parameters on the structural, morphological and electrochemical properties of the synthesised materials were investigated. The use of laser synthesis offers significant advantages over conventional methods, particularly in terms of synthesis localisation. This facilitates the creation of electrodes with specific geometries on substrates of any shape.
Acknowledgements
Authors expresses their gratitude to the Russian Science Foundation (Project № 23-29-00493). The authors would also like to thank the SPbSU Nanotechnology Interdisciplinary Centre, the Centre for Physical Methods of Surface Investigation, the Centre for Optical and Laser Materials Research, and the Centre for X-ray Diffraction Studies.
