Laser Applications

[TILA-LIC10-04] Gold nanoparticle synthesis using a microchip laser system
through pulsed laser ablation in aqueous and organic
solution

*Yumi Yakiyama^1,2, Barana Sandakelum Hettiarachchi¹, Yusuke Takaoka³, Yuta Uetake^1,2, Hwan Hong Lim⁴, Takunori Taira^4,5, Mihoko Maruyama⁶, Yusuke Mori⁶, Hiroshi Y Yoshikawa³, Hidehiro Sakurai^1,2 (1. Division of Applied Chemistry, Graduate School of Engineering, Osaka University, 2. Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, 3. Division of Applied Physics, Graduate School of Engineering, Osaka University, 4. Division of Research Innovation and Collaboration, Institute for Molecular Science, 5. Laser-Driven Electron-Acceleration Technology Group, RIKEN SPring-8 Center, 6. Division of Electrical, Electronic and Infocommunications Engineering, Graduate School of Engineering, Osaka University)

Microchip laser (MCL) was applied to PLAL of Au in both aqueous and organic media. Comprehensive investigation revealed that the resulting Au nanoparticles (NPs) sizes were almost fixed, while their yields were significantly different depending on the physical properties of the outer media.