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] [http://pubs.acs.org/doi/pdfplus/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]

[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

[http://store.pasco.com/pascostore/showdetl.cfm?DID=9&Product_ID=1536&Detail=1 USB link $59 High Sensitivity Light probe $133 Glow paper $3.95 Portable UV light $13.00