Phosphorescent Decay Lab

K-12 Outreach Kits and Labs

Overview

This high school or undergrad lab provides an introduction to measuring fluorescent and phosphorecent phenomena and practice with curve fitting to support models.

Procedures

<embed_document width="100%" height="600">http://depts.washington.edu/cmditr/mediawiki/images/5/57/Phosphorescent_Decay.pdf</embed_document>

External Links

• Experiments with Glow-in-the-Dark Toys: Kinetics of Doped ZnS Phosphorescence J. Chem. Educ., 1996, 73 (11), p 1048 doi:10.1021/ed073p1048

• Wikipedia:Zero-order_reactions

• Wikipedia:Lux

• Turning on the Light: Lessons from Luminescence Patricia B. O'Hara, Wayne St. Peter, Carol Engelson

Journal of Chemical Education 2005 82 (1), 49 doi:10.1021/ed082p49

• Lasers in the undergraduate curriculum: Part II. Coursework experiments and research projects Jack K. Steehler Journal of Chemical Education 1990 67 (3), A65 doi: 10.1021/ed067pA65

• Using LEDs and Phosphorescent Materials To Teach High School Students Quantum Mechanics. A Guided-Inquiry Laboratory for Introductory High School Chemistry J. Chem. Educ., 2009, 86 (3), p 340 doi: 10.1021/ed086p340

• The Radiative Decay of Green and Red Photoluminescent Phosphors: An Undergraduate Kinetics Experiment for Materials Chemistry C. Degli Esposti and L. Bizzocchi J. Chem. Educ., 2008, 85 (6), p 839 June 1, 2008 (Article) doi: 10.1021/ed085p839

Sources for Materials

• USB link $59
• High Sensitivity Light probe $133
• Glow paper $3.95
• Portable UV light $13.00
• UV Flashlight- $9.95