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Author Spotlight: Advancements and Applications in Nanoparticle Synthesis Through Laser Ablation in Liquids
Published on: June 16, 2023
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Graphene-Based Nanostructures Produced by Laser Ablation Assisted by Electric Field
Mariapompea Cutroneo1, Vaclav Holy2, Petr Malinsky3,4
1Department of Physics (MIFT), Messina University, V. le F.S. d'Alcontres 31, S. Agata, 98166 Messina, Italy.
Nanomaterials (Basel, Switzerland)
|January 9, 2026
Summary
Electric-field-assisted pulsed laser ablation (PLA) offers a green method for producing tunable graphene nanoparticles. This technique enhances control over nanoparticle size and morphology without chemical additives, advancing sustainable nanotechnology.
Area of Science:
- Materials Science
- Nanotechnology
- Green Chemistry
Background:
- Carbon-based nanomaterials possess unique properties for applications in optoelectronics, energy, bioimaging, and sensors.
- Pulsed Laser Ablation in Liquids (PLA) is a simple, rapid, and environmentally friendly method for nanostructure fabrication.
- Reproducibility of size and shape in PLA remains a challenge, often addressed by optimizing laser parameters and liquid characteristics.
Purpose of the Study:
- To compare the synthesis of graphene-based nanostructures using electric-field-assisted PLA in distilled water versus deionized water.
- To investigate the influence of an applied electric field on the synthesis of graphene nanoparticles without chemical reagents.
- To demonstrate an innovative and sustainable approach for producing graphene nanoparticles with controlled properties.
Main Methods:
- Electric-field-assisted pulsed laser ablation (PLA) of a graphite target immersed in distilled water and deionized water.
- Constant laser parameters with varying applied voltage between immersed electrodes.
- Characterization of synthesized nanostructures using UV-Vis and FTIR spectroscopies for optical properties and Atomic Force Microscopy (AFM) for morphology and quality.
Main Results:
- The applied electric field significantly influences plasma dynamics, cavitation bubble evolution, and nanoparticle growth.
- Controlled tuning of graphene nanoparticle size and morphology was achieved by adjusting the electric field.
- Characterization confirmed the composition, morphology, and quality of the produced graphene nanostructures.
Conclusions:
- Electric-field-assisted PLA in water provides an effective and eco-friendly route for reproducible graphene nanoparticle synthesis.
- This method allows for precise control over nanoparticle characteristics, overcoming a key limitation of traditional PLA.
- The study highlights a sustainable nanotechnology approach for producing advanced carbon-based materials.
