Studies of Silver Nanoparticles by Laser Ablation Method

Jiann Shing Jeon, Chen-Sheng Yeh

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63 Citations (Scopus)


The laser ablation technique has been employed to study silver colloidal formation. Laser intensities, irradiation wavelengths (1064 nm and 532 nm), and solvents (water, methanol, and isopropanol) were all considered. Changes of the maximum UV-Visible absorbance of the solutions with laser intensities exhibited nonlinear behavior for 1064 nm and 532 nm and displayed better ablation efficiency at 532 nm. Larger mean sizes were observed at 532 nm or at higher pulse energy. For solvent effect, the bigger particle sizes were generated in H2O. As to colloidal stability, isopropanol, which has a lower dielectric constant than water, was found to stabilize Ag nanoparticles without protecting reagents over six months. Preliminary results in 2-butanol suggested that the viscosity of solvent may need to be considered in addition to the dielectric constant.

Original languageEnglish
Pages (from-to)721-726
Number of pages6
JournalJournal of the Chinese Chemical Society
Issue number6
Publication statusPublished - 1998 Jan 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)


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