Simultaneous comparison of fluorescence spectrometry with multiphoton ionization spectrometry using a supersonic jet spectrometer

Cheng Huang Lin; Masami Hozumi; Totaro Imasaka; Nobuhiko Ishibashi

doi:10.1039/AN9911601037

Simultaneous comparison of fluorescence spectrometry with multiphoton ionization spectrometry using a supersonic jet spectrometer

Cheng Huang Lin, Masami Hozumi, Totaro Imasaka, Nobuhiko Ishibashi

Department of Chemistry

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12 Citations (Scopus)

Abstract

The ratio of the signal intensities obtained in multiphoton ionization spectrometry and fluorescence spectrometry is compared semi-quantitatively for several aromatic compounds. The ratios, normalized against N-ethylaniline, are 0.2-1 for aniline derivatives, however, the value for anthracene is 7 × 10^-6 in a one-colour ionization scheme and 7 × 10^-4 in a two-colour ionization scheme. The small value obtained for the] large' aromatic compound is ascribed to the high ionization potential relative to the two-photon energy for excitation and subsequent ionization; three photons are required in the one-colour scheme and an additional laser with sufficient energy must be aligned temporally and spatially for ionization in the two-colour scheme.

Original language	English
Pages (from-to)	1037-1041
Number of pages	5
Journal	The Analyst
Volume	116
Issue number	10
DOIs	https://doi.org/10.1039/AN9911601037
Publication status	Published - 1991 Dec 1

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ASJC Scopus subject areas

Analytical Chemistry
Biochemistry
Environmental Chemistry
Spectroscopy
Electrochemistry

Cite this

Lin, C. H., Hozumi, M., Imasaka, T., & Ishibashi, N. (1991). Simultaneous comparison of fluorescence spectrometry with multiphoton ionization spectrometry using a supersonic jet spectrometer. The Analyst, 116(10), 1037-1041. https://doi.org/10.1039/AN9911601037

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N2 - The ratio of the signal intensities obtained in multiphoton ionization spectrometry and fluorescence spectrometry is compared semi-quantitatively for several aromatic compounds. The ratios, normalized against N-ethylaniline, are 0.2-1 for aniline derivatives, however, the value for anthracene is 7 × 10-6 in a one-colour ionization scheme and 7 × 10-4 in a two-colour ionization scheme. The small value obtained for the] large' aromatic compound is ascribed to the high ionization potential relative to the two-photon energy for excitation and subsequent ionization; three photons are required in the one-colour scheme and an additional laser with sufficient energy must be aligned temporally and spatially for ionization in the two-colour scheme.

AB - The ratio of the signal intensities obtained in multiphoton ionization spectrometry and fluorescence spectrometry is compared semi-quantitatively for several aromatic compounds. The ratios, normalized against N-ethylaniline, are 0.2-1 for aniline derivatives, however, the value for anthracene is 7 × 10-6 in a one-colour ionization scheme and 7 × 10-4 in a two-colour ionization scheme. The small value obtained for the] large' aromatic compound is ascribed to the high ionization potential relative to the two-photon energy for excitation and subsequent ionization; three photons are required in the one-colour scheme and an additional laser with sufficient energy must be aligned temporally and spatially for ionization in the two-colour scheme.

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10.1039/AN9911601037