Analysis of laser-induced breakdown images measuring the sizes of mixed aquatic nanoparticles

J. W. Kim, J. A. Son, J. I. Yun, E. C. Jung, S. H. Park, J. G. Choi

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Sizes of aquatic colloidal nanoparticles are determined by utilizing the laser-induced breakdown detection technique. Specifically, the number of breakdown events is measured as a function of area in laser-induced plasma images, generated from a mixture of two different size nanoparticles in aqueous solution, by minimizing the energy of the incident laser irradiation to generate the plasma. We find that the accuracy of measuring the sizes of nanoparticles in mixtures is greatly improved when selecting the plasma images produced only within one-half of the Rayleigh range of the focused Gaussian beam where the irradiation is most uniformly distributed.

Original languageEnglish
Pages (from-to)75-77
Number of pages3
JournalChemical Physics Letters
Volume462
Issue number1-3
DOIs
Publication statusPublished - 2008 Sep 1

Fingerprint

breakdown
Nanoparticles
Plasmas
nanoparticles
Lasers
lasers
irradiation
Gaussian beams
Laser beam effects
Irradiation
aqueous solutions
energy

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

Kim, J. W. ; Son, J. A. ; Yun, J. I. ; Jung, E. C. ; Park, S. H. ; Choi, J. G. / Analysis of laser-induced breakdown images measuring the sizes of mixed aquatic nanoparticles. In: Chemical Physics Letters. 2008 ; Vol. 462, No. 1-3. pp. 75-77.
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Analysis of laser-induced breakdown images measuring the sizes of mixed aquatic nanoparticles. / Kim, J. W.; Son, J. A.; Yun, J. I.; Jung, E. C.; Park, S. H.; Choi, J. G.

In: Chemical Physics Letters, Vol. 462, No. 1-3, 01.09.2008, p. 75-77.

Research output: Contribution to journalArticle

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