Microscopic spectral imaging analysis of crystalline polycyclic aromatic hydrocarbons

Chanan Sluszny*, Vladimir V. Gridin, Valery Bulatov, Israel Schechter

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A new spectral imaging approach, based on an imaging microscope coupled to a Fourier transform spectrometer, was applied for direct analysis of polycyclic aromatic hydrocarbons (PAHs) deposited onto solid matrices. Single crystals of several PAHs were grown and their fluorescence spectra were analyzed. The fluorescence characteristics, related to analytical reliable quantification of solid PAH compounds, were investigated. In particular, we have addressed the following parameters: (a) crystal-alignment effects upon the read-outs of the microscopic imaging set-up; (b) effects associated with either the crystal edge or the crystal surface originated fluorescence spectra; (c) inter-crystal self-absorption related processes. The understanding of these effects is important for a proper sampling of the PAHs and is essential for obtaining reliable quantification.

Original languageEnglish
Pages (from-to)303-318
Number of pages16
JournalReviews in Analytical Chemistry
Volume19
Issue number3
DOIs
StatePublished - 2000
Externally publishedYes

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