Transfer of the Species Dissolved in a Liquid into Laser Ablation Plasma: An Approach Using Emission Spectroscopy

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• 作者：Ayumu Matsumoto ; Ayaka Tamura ; Takaya Honda ; Tsuyoshi Hirota ; Kazuya Kobayashi ; Seiji Katakura ; Naoya Nishi ; Ken-ichi Amano ; Kazuhiro Fukami ; Tetsuo Sakka
• 刊名：Journal of Physical Chemistry C
• 出版年：2015
• 出版时间：November 25, 2015
• 年：2015
• 卷：119
• 期：47
• 页码：26506-26511
• 全文大小：304K
• ISSN：1932-7455

文摘

We investigate the transfer of the dissolved species into the plasma during laser ablation in liquid. Laser ablation of a Cu target in LiCl + NaCl aqueous solutions and emission spectroscopy of the plasma are performed. Emission lines of Li and Na atoms are observed. Atomic density ratio N_Li/N_Na in the plasma estimated from the emission spectra agrees with the concentration ratio C_Li/C_Na in the solutions. This suggests the phase explosion of water due to the strong interaction between the extremely high-temperature matter ablated from the target and the surrounding water. This causes a cavitation bubble and the transfer of the dissolved species from the solution into the bubble without any element selectivity.