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Morphology-dependent plasma behavior analysis in nanoparticle-enhanced laser-induced breakdown spectroscopy based on an intrinsic radiative enhancement framework.

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Title: Morphology-dependent plasma behavior analysis in nanoparticle-enhanced laser-induced breakdown spectroscopy based on an intrinsic radiative enhancement framework.
Authors: Mo, Biming1,2 (AUTHOR), Chen, Junjie1,2 (AUTHOR), Li, Shuaijun1,2 (AUTHOR), Ma, Junjie1,2 (AUTHOR), Hao, Xiaojian1,2 (AUTHOR) haoxiaojian@nuc.edu.cn, Jia, Rui1,2 (AUTHOR), Pei, Pan1,2 (AUTHOR)
Source: JAAS (Journal of Analytical Atomic Spectrometry). May2026, Vol. 41 Issue 5, p1651-1662. 12p.
Subjects: Plasma dynamics, Surface plasmon resonance, Electron density, Electron temperature, Gold nanoparticles, Laser-induced breakdown spectroscopy
Abstract: Nanoparticle-enhanced laser-induced breakdown spectroscopy (NELIBS) offers a robust approach for probing strong-field laser–matter interactions and plasmon-assisted energy redistribution at the nanoscale. In this study, Au nanoparticles (AuNPs) with distinct morphologies (nanospheres, nanorods, and nanocages) were deposited on Ti-based substrates to examine morphology-dependent plasma behaviour under nanosecond 1064 nm excitation. Time-resolved emission spectra, combined with Boltzmann-plot temperature diagnostics and Stark-broadening analysis, were employed to evaluate the evolution of electron temperature Te and electron density ne. To eliminate the influence of transition probabilities and temperature-dependent population effects, an intrinsic radiative enhancement model, Rs(t), was developed through Boltzmann correction and cross-line geometric averaging, allowing quantitative comparison of radiative efficiencies among different systems. The results indicate that small nanospheres (10 nm) and resonant nanorods substantially increase both Te and ne and sustain prolonged radiative persistence, implying efficient energy confinement. In contrast, larger nanospheres (40 nm) and off-resonant nanorods exhibit weak, rapidly decaying enhancement, whereas nanocages (40 nm) show apparent radiative suppression, possibly related to optical shielding or limited carrier transport. The Rs(t) analysis reveals that NELIBS enhancement arises from a morphology-dependent competition between radiative and non-radiative dissipation channels, providing quantitative insight into plasmon–plasma coupling in strongly driven nanostructures. [ABSTRACT FROM AUTHOR]
Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 193714395
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Morphology-dependent plasma behavior analysis in nanoparticle-enhanced laser-induced breakdown spectroscopy based on an intrinsic radiative enhancement framework.
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  Data: <searchLink fieldCode="AR" term="%22Mo%2C+Biming%22">Mo, Biming</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Junjie%22">Chen, Junjie</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Shuaijun%22">Li, Shuaijun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Junjie%22">Ma, Junjie</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hao%2C+Xiaojian%22">Hao, Xiaojian</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> haoxiaojian@nuc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Jia%2C+Rui%22">Jia, Rui</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pei%2C+Pan%22">Pei, Pan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22JAAS+%28Journal+of+Analytical+Atomic+Spectrometry%29%22">JAAS (Journal of Analytical Atomic Spectrometry)</searchLink>. May2026, Vol. 41 Issue 5, p1651-1662. 12p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Plasma+dynamics%22">Plasma dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+plasmon+resonance%22">Surface plasmon resonance</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+density%22">Electron density</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+temperature%22">Electron temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Gold+nanoparticles%22">Gold nanoparticles</searchLink><br /><searchLink fieldCode="DE" term="%22Laser-induced+breakdown+spectroscopy%22">Laser-induced breakdown spectroscopy</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Nanoparticle-enhanced laser-induced breakdown spectroscopy (NELIBS) offers a robust approach for probing strong-field laser–matter interactions and plasmon-assisted energy redistribution at the nanoscale. In this study, Au nanoparticles (AuNPs) with distinct morphologies (nanospheres, nanorods, and nanocages) were deposited on Ti-based substrates to examine morphology-dependent plasma behaviour under nanosecond 1064 nm excitation. Time-resolved emission spectra, combined with Boltzmann-plot temperature diagnostics and Stark-broadening analysis, were employed to evaluate the evolution of electron temperature Te and electron density ne. To eliminate the influence of transition probabilities and temperature-dependent population effects, an intrinsic radiative enhancement model, Rs(t), was developed through Boltzmann correction and cross-line geometric averaging, allowing quantitative comparison of radiative efficiencies among different systems. The results indicate that small nanospheres (10 nm) and resonant nanorods substantially increase both Te and ne and sustain prolonged radiative persistence, implying efficient energy confinement. In contrast, larger nanospheres (40 nm) and off-resonant nanorods exhibit weak, rapidly decaying enhancement, whereas nanocages (40 nm) show apparent radiative suppression, possibly related to optical shielding or limited carrier transport. The Rs(t) analysis reveals that NELIBS enhancement arises from a morphology-dependent competition between radiative and non-radiative dissipation channels, providing quantitative insight into plasmon–plasma coupling in strongly driven nanostructures. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1039/d5ja00428d
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 12
        StartPage: 1651
    Subjects:
      – SubjectFull: Plasma dynamics
        Type: general
      – SubjectFull: Surface plasmon resonance
        Type: general
      – SubjectFull: Electron density
        Type: general
      – SubjectFull: Electron temperature
        Type: general
      – SubjectFull: Gold nanoparticles
        Type: general
      – SubjectFull: Laser-induced breakdown spectroscopy
        Type: general
    Titles:
      – TitleFull: Morphology-dependent plasma behavior analysis in nanoparticle-enhanced laser-induced breakdown spectroscopy based on an intrinsic radiative enhancement framework.
        Type: main
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          Name:
            NameFull: Mo, Biming
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            NameFull: Chen, Junjie
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            NameFull: Li, Shuaijun
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            NameFull: Ma, Junjie
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            NameFull: Hao, Xiaojian
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          Dates:
            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 41
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              Value: 5
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            – TitleFull: JAAS (Journal of Analytical Atomic Spectrometry)
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