Spectral Evaluation of Windowless Argon Discharge Vacuum Ultraviolet Lamps for Matrix Isolation Spectroscopy

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Abstract:

Windowless argon discharge tubes used as resonance lamps in matrix isolation experiments produced strong argon resonance radiation at 1048 and 1067 Å, and at low pressures, the Ar+ resonance doublet at 920 and 932 Å made a major contribution to the vacuum ultraviolet spectrum. At discharge pressures below 60 μ, the relative intensities of the 1048, 1067 Å argon resonance doublet are reversed in favor of the 1067 Å line, although the Ar+ resonance lines are substantially increased relative to the neutral atom emissions.

Keywords: Argon resonance lamps; Matrix isolation spectroscopy

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370278774331666

Affiliations: Chemistry Department, University of Virginia, Charlottesville, Virginia 22901 and Chemistry Division, Naval Research Laboratory, Washington, D.C. 20375

Publication date: March 1, 1978

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