Jump to main content
Jump to site search


Surface-enhanced laser-induced breakdown spectroscopy utilizing metallic target for direct analysis of particle flow

Abstract

In this paper, surface-enhanced laser-induced breakdown spectroscopy (SENLIBS) method, utilizing metallic target, was proposed to enhance and stabilize plasma for direct analysis of particle flow. A metallic target was installed in the particle flow to provide a target surface, which was expected to fix the laser ablation position and enhance the plasma intensity. The comparative experiments were carried out between conventional LIBS and SENLIBS. The results showed that sampling rate was improved by the SENLIBS, and metallic target had lower breakdown threshold than silica particle flow. Plasma images confirmed that plasma morphology was more stable. Based on these changes, the signal intensity was enhanced by more than 3 times for silicon emission line at 288.16nm. Meanwhile, the signal repeatability was greatly improved with relative standard deviation (RSD) of the pulse-to-pulse signal decreased from 116% to 48%. Further investigation showed that SENLIBS was potential in improving measurement sensitivity as the signal to noise ratio (SNR) increasing from 9.89 to 18.63. Overall, these results demonstrated the feasibility and enhancement effect of SENLIBS.

Back to tab navigation

Publication details

The article was received on 18 Oct 2018, accepted on 05 Nov 2018 and first published on 08 Nov 2018


Article type: Paper
DOI: 10.1039/C8JA00347E
Citation: J. Anal. At. Spectrom., 2018, Accepted Manuscript
  •   Request permissions

    Surface-enhanced laser-induced breakdown spectroscopy utilizing metallic target for direct analysis of particle flow

    Z. Yu, S. Yao, L. Zhang, Z. Lu, Z. S. Lie and J. Lu, J. Anal. At. Spectrom., 2018, Accepted Manuscript , DOI: 10.1039/C8JA00347E

Search articles by author

Spotlight

Advertisements