Post-fabrication adjustment of metalloid Mg–C-graphene nanoparticles via Pulsed Laser Ablation for paper electronics and process optimisation

• DOI: 10.1016/j.matdes.2024.112869
• Publication Date: 2024-03-21T02:18:23Z
• Authors: Anesu Nyabadza; Éanna McCarthy; Mercedes Vázquez; Dermot Brabazon
• Keywords: Laser Ablation

Metalloid nanoparticles (MNPs) possess unique physicochemical properties but are challenging to create through biological or chemical routes. Using Pulsed Laser Ablation in Liquid (PLAL), Mg–C MNPs fabricated from powders. The produced nanocolloids were ablated after the target was removed tailor particle size. with a mean size 300 nm could be reduced 60 nm. Alternatively, of increased 90 increase/decrease is controlled by laser processing parameters and showcases ability PLAL for real-world applications that require meticulous control as-fabricated successfully inkjet printed on paper, achieving low resistivity 75 Ω/square prints, highlighting their potential electronics. To address historical research gap, this article explored impact parameters, including fluence (1–2 J/cm2), pulse width (0.2–0.9 ns), repetition rate (10–20 kHz), pH, factors often overlooked which partly limiting applications. influence powder vs rod process addressed revealing powders produce better easier handle they lower colloid concentrations.