Laser-induced breakdown spectroscopy using a porous silicon substrate produced by metal-assisted etching: microanalysis of a strontium chloride aqueous solution as an example
Ayumu Matsumoto, Yusuke Shimazu, Sakiko Yoshizumi, Haruka Nakano, Shinji Yae
Abstract
The LIBS signal of the dry residue from a small amount of liquid sample is significantly enhanced by using a porous silicon substrate produced by gold-nanoparticle-assisted etching.
Topics & Concepts
MicroanalysisStrontiumAqueous solutionEtching (microfabrication)Strontium chlorideSubstrate (aquarium)SiliconChloridePorous siliconMetalSpectroscopyChemistryPorosityMaterials scienceInorganic chemistryAnalytical Chemistry (journal)Nuclear chemistryNanotechnologyMetallurgyChromatographyPhysical chemistryOrganic chemistryLayer (electronics)GeologyPhysicsOceanographyQuantum mechanicsLaser-induced spectroscopy and plasmaIon-surface interactions and analysisAnalytical chemistry methods development