Journal
APPLIED SPECTROSCOPY REVIEWS
Volume 56, Issue 2, Pages 98-114Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/05704928.2020.1739063
Keywords
LIBS; sample preparation; signal enhancement; data processing; calibration; qualitative analysis
Categories
Funding
- Research Foundation of Sao Paulo, Brasil (Fapesp) [2016/17304-0, 2018/24569-6, 2016/01513-0]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico - CNPq (Brasil) [401074/2014-5, 305637/2015-0]
- Coordenacao de Aperfeioamento de Pessoal de Nivel Superior - Brasil (CAPES) [001]
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This tutorial article provides a brief update on the advances available for laser-induced breakdown spectroscopy (LIBS), emphasizing its broad experimental and instrumental possibilities. Key analytical variables required for proper sample treatment, analytical signal enhancement, data processing, qualitative and quantitative approaches are summarized. Recent research and developments have significantly improved the analytical performance of LIBS.
The purpose of this tutorial article is to provide a brief update on the advances available for laser-induced breakdown spectroscopy (LIBS), focusing broad experimental and instrumental possibilities. Due to the inherent versatility of LIBS, this technique can be elegantly applied to various applications. However, during the method development one should have prior knowledge about its analytical limitations in order to obtain reliable results. In the present review, we summarize key analytical variables required for proper sample treatment, analytical signal enhancement, data processing, qualitative and quantitative approaches as well as recent research and developments using LIBS. Remarkable analytical advances have recently been proposed for LIBS and raised its analytical performance to a level never reached before. Most prominent perhaps, have been the development of many nontraditional calibration approaches based on transition atomic energies (emission wavelengths), the use of a single standard for calibration, increase of the ablated sample mass (accumulated laser pulses), and even overcoming severe LIBS problems such as the matrix effects.
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