New Fiber-Optic-Based Instrumentation for the Measurement of Low-Temperature Phosphorescence Intensities and Lifetimes

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New fiber-optic instrumentation for phosphorescence-lifetime determinations and for steady-state phosphorescence measurements is shown to perform comparably to conventional instrumentation. The importance of optimal glass formation in the fiber-optic sample cell is considered in some detail. Detection limits for acetophenone, benzophenone, and p-nitrophenol are reported, and phosphorescence lifetimes are measured for several compounds, with values ranging from 2.5 ms to 4.7 s.

Keywords: Acetophenone; Benzophenone; Instrumentation, fiber optics; Luminescence; Phosphorescence; Phosphorescence lifetime; Time-resolved spectroscopy; p-Nitrophenol

Document Type: Research Article


Affiliations: Department of Chemistry, Indiana University, Bloomington, Indiana 47405

Publication date: January 1, 1992

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