In situ detection of soot nanoparticles by time-resolved fluorescence analysis

A Bruno; Frederik Ossler; P Minutolo; C de Lisio

doi:10.1088/1464-4258/10/6/064016

In situ detection of soot nanoparticles by time-resolved fluorescence analysis

A Bruno, Frederik Ossler, P Minutolo, C de Lisio

Combustion Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We present a new implementation of the time-resolved fluorescence anisotropy technique for the analysis of carbon nanoparticles directly in a Bunsen-type propane flame. By exploiting femtosecond laser excitation, UV-visible laser-induced fluorescence and time resolution of the experimental set-up, small soot nanoparticles have been identified within the flame. From the measurement of the decay time of the anisotropy ratio, we determined an ensemble-averaged diameter of the carbon particles of approximately 10 nm, with a slightly larger value in the outer edge of the flame compared to its centre.

Original language	English
Pages (from-to)	064016-5 pp
Journal	Journal of Optics. A, Pure and Applied Optics
Volume	10
Issue number	6
DOIs	https://doi.org/10.1088/1464-4258/10/6/064016
Publication status	Published - 2008

Subject classification (UKÄ)

Atom and Molecular Physics and Optics

Free keywords

nanometric particles
fluorescence anisotropy

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10.1088/1464-4258/10/6/064016

Cite this

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title = "In situ detection of soot nanoparticles by time-resolved fluorescence analysis",

abstract = "We present a new implementation of the time-resolved fluorescence anisotropy technique for the analysis of carbon nanoparticles directly in a Bunsen-type propane flame. By exploiting femtosecond laser excitation, UV-visible laser-induced fluorescence and time resolution of the experimental set-up, small soot nanoparticles have been identified within the flame. From the measurement of the decay time of the anisotropy ratio, we determined an ensemble-averaged diameter of the carbon particles of approximately 10 nm, with a slightly larger value in the outer edge of the flame compared to its centre.",

keywords = "nanometric particles, fluorescence anisotropy",

author = "A Bruno and Frederik Ossler and P Minutolo and {de Lisio}, C",

year = "2008",

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T1 - In situ detection of soot nanoparticles by time-resolved fluorescence analysis

AU - Bruno, A

AU - Ossler, Frederik

AU - Minutolo, P

AU - de Lisio, C

PY - 2008

Y1 - 2008

N2 - We present a new implementation of the time-resolved fluorescence anisotropy technique for the analysis of carbon nanoparticles directly in a Bunsen-type propane flame. By exploiting femtosecond laser excitation, UV-visible laser-induced fluorescence and time resolution of the experimental set-up, small soot nanoparticles have been identified within the flame. From the measurement of the decay time of the anisotropy ratio, we determined an ensemble-averaged diameter of the carbon particles of approximately 10 nm, with a slightly larger value in the outer edge of the flame compared to its centre.

AB - We present a new implementation of the time-resolved fluorescence anisotropy technique for the analysis of carbon nanoparticles directly in a Bunsen-type propane flame. By exploiting femtosecond laser excitation, UV-visible laser-induced fluorescence and time resolution of the experimental set-up, small soot nanoparticles have been identified within the flame. From the measurement of the decay time of the anisotropy ratio, we determined an ensemble-averaged diameter of the carbon particles of approximately 10 nm, with a slightly larger value in the outer edge of the flame compared to its centre.

KW - nanometric particles

KW - fluorescence anisotropy

U2 - 10.1088/1464-4258/10/6/064016

DO - 10.1088/1464-4258/10/6/064016

M3 - Article

SN - 1741-3567

VL - 10

SP - 64016

EP - 64015

JO - Journal of Optics. A, Pure and Applied Optics

JF - Journal of Optics. A, Pure and Applied Optics

IS - 6

ER -

In situ detection of soot nanoparticles by time-resolved fluorescence analysis

Abstract

Subject classification (UKÄ)

Free keywords

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