Optical Properties of Germanium Nanoparticles Prepared by Laser Ablation


  • Shahad Riyadh University of Technology
  • Mohammed Salman Mohammad Applied Science Department, University of Technology
  • Noorulhuda Riyadh Naser Biomedical Engineering Department, University of Technology




Germanium nanoparticles, Laser ablation, PLAL, Optical properties, liquid


The synthesis of germanium nanoparticles (Ge NPs) through pulsed laser ablation in deionized water is investigated for Nanophotonics and optoelectronic applications. This study delves into the influence of laser pulse energy on Ge NP properties, specifically highlighting size control and optical characteristics. Our findings reveal a significant reduction in Ge NP size, from an initial 30 nm to 20 nm, as the laser pulse energy increases. Notably, we observed size-dependent blue luminescence from the synthesized Ge NPs. This controlled synthesis holds promise for optoelectronics and sensing applications. The study provides valuable insights into precise Ge NP synthesis and underscores their intriguing optical properties, paving the way for advanced Nanophotonic devices.


F. Y. Nazal, H. Al Husseini, and H. R. Akal, “Studying the Effect of the Energy Settings of the HO-YAG Laser and the Composition of the Stones on the Fragmentation Time in vitro,” Univ. Thi-Qar J. Sci., vol. 8, no. 2, pp. 86–93, 2021.

S. Suresh, “Semiconductor nanomaterials, methods and applications: a review. Nanosci Nanotechnol 3: 62–74.” 2013.

P. P. Patil et al., “Pulsed-laser–induced reactive quenching at liquid-solid interface: Aqueous oxidation of iron,” Phys. Rev. Lett., vol. 58, no. 3, p. 238, 1987.

E. Sharon, “Black Laser Ablation: Effects and Applications,” Nova, New York, 2011.

B. Choi, M. Choi, D.-S. Kim, H. H. Chun, and Y.-T. Kim, “Enhanced gas sensing performance of hydrophilic graphite nanoparticles synthesized by liquid phase pulsed laser ablation,” J. Nanosci. Nanotechnol., vol. 13, no. 10, pp. 7020–7024, 2013.

O. R. Musaev, E. A. Sutter, J. M. Wrobel, and M. B. Kruger, “Au, Ge, and AuGe nanoparticles fabricated by laser ablation,” J. Nanoparticle Res., vol. 14, pp. 1–6, 2012.

S. Li, Y. Zhao, Y. Jiang, and Y. Zhang, “Preparation and properties of noble metal core/shell nanostructures prepared by excimer laser ablation in liquid solutions,” J. Laser Appl., vol. 26, no. 2, 2014.

P. Chewchinda, O. Odawara, and H. Wada, “The effect of energy density on yield of silicon nanoparticles prepared by pulsed laser ablation in liquid,” Appl. Phys. A, vol. 117, pp. 131–135, 2014.

G. Yang, Laser ablation in liquids: principles and applications in the preparation of nanomaterials. CRC Press, 2012.

R. Chauhan, A. K. Srivastava, M. Mishra, and K. K. Srivastava, “Effect of UV exposure on some optical properties of As-Se based chalcogenide glasses,” Integr. Ferroelectr., vol. 119, no. 1, pp. 22–32, 2010.


Article Dates

Published: 2023-12-26

How to Cite

Riyadh, S., Mohammed Salman Mohammad, & Noorulhuda Riyadh Naser. (2023). Optical Properties of Germanium Nanoparticles Prepared by Laser Ablation. University of Thi-Qar Journal of Science, 10(2), 137–140. https://doi.org/10.32792/utq/utjsci/v10i2.1119