Jump to main content
Jump to site search

Issue 45, 2012
Previous Article Next Article

Direct observation of aluminium ions produced via pulsed laser ablation in liquid: a ‘turn-on’ fluorescence study

Author affiliations

Abstract

An Al metal plate was ablated by a pulsed Nd–YAG laser to produce nano-structured Al and gamma-Al2O3 in deionized water without any surfactants or catalysts. In this study, direct evidence for the production of Al3+ ions from the plasma plume is presented for the first time by characterizing the absorption and emission spectra of their [Al(salophen)]+ complex. Very interestingly, a remarkable increase in the fluorescence intensity was observed when the Al3+ ions, produced via the pulsed laser ablation, complexed with the salophen ligand. This fluorescence ‘turn-on’ behaviour of [Al(salophen)]+ was investigated by DFT/TD-DFT calculations. Based on these results, mechanisms for the production of aluminium and alumina nanoparticles in the pulsed laser ablation in liquid (PLAL) process are proposed.

Graphical abstract: Direct observation of aluminium ions produced via pulsed laser ablation in liquid: a ‘turn-on’ fluorescence study

Back to tab navigation

Supplementary files

Publication details

The article was received on 19 Jul 2012, accepted on 01 Oct 2012 and first published on 02 Oct 2012


Article type: Paper
DOI: 10.1039/C2CP42463K
Phys. Chem. Chem. Phys., 2012,14, 15677-15681

  •   Request permissions

    Direct observation of aluminium ions produced via pulsed laser ablation in liquid: a ‘turn-on’ fluorescence study

    S. Lee, A. Ahn and M. Y. Choi, Phys. Chem. Chem. Phys., 2012, 14, 15677
    DOI: 10.1039/C2CP42463K

Search articles by author

Spotlight

Advertisements