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Influence of Surface Absorbance on Signal Enhancement in Nanoparticle-Enhanced Laser-Induced Breakdown Spectroscopy
Abstract
Two variants of magnesium alloys surface modification have been considered to increase the intensity of spectral lines. The use of gold nanoparticles for the alloys’ components leads to 1.5—2-times increase of signal-to-noise ratio. The use of a dye leads to the decrease of this ratio. It has been shown that the efficiency of laser radiation absorption on the surface does not influence substantially the ablation when metals are affected with nanosecond pulses. Moreover, the accumulation of signal from three pulses with surface cleaning is enough to overcome the effect from the use of nanoparticles.
About the Authors
A. V. Rylov
Lomonosov Moscow State University
Russian Federation
Russian Federation
Moscow
I. V. Seliverstova
Lomonosov Moscow State University
Russian Federation
Russian Federation
Moscow
T. A. Labutin
Lomonosov Moscow State University
Russian Federation
Russian Federation
Moscow
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Review
For citations:
Rylov A.V., Seliverstova I.V., Labutin T.A. Influence of Surface Absorbance on Signal Enhancement in Nanoparticle-Enhanced Laser-Induced Breakdown Spectroscopy. Zhurnal Prikladnoii Spektroskopii. 2023;90(4):541-546. (In Russ.)
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