Glow Stick: A Chemiluminescence - Quantum
Glow Stick: A Chemiluminescence - Quantum
Glow Stick: A Chemiluminescence - Quantum
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Glow</strong> <strong>Stick</strong>: A <strong>Chemiluminescence</strong><br />
By: Kassandra Brady
History<br />
• Edwin A. Chandros<br />
– 1960<br />
– Bell Labs<br />
– Murray Hill, New Jersey
History<br />
• Michael M. Rauhut<br />
– American Cyanamid<br />
– Stamford, Connecticut<br />
• E. Earl Cranor<br />
– Research in commercial uses<br />
– Created the typical structure
is(2,4,6-trichlorophenyl)oxalate<br />
• C 14 H 4 Cl 6 O 4<br />
• Irritant<br />
• The prefix bis- means two
is(2,4,6-trichlorophenyl)oxalate
Hydrogen Peroxide
Fluorescent Dyes<br />
9,10-bis(phenylethynyl)anthracene (green)<br />
9,10-diphenylanthracene (blue)
Rhodamine B (red)<br />
Rubrene (yellow)
How a <strong>Glow</strong> <strong>Stick</strong> Works Chemically<br />
hydrogen peroxide<br />
sodium salicylate<br />
bis(2,4,6-trichlorophenyl)oxalate<br />
2<br />
1,2-dioxetanedione<br />
2,4,6-trichlorophenol<br />
Fluorophore<br />
Fluorophore*<br />
2 CO2<br />
Fluorophore<br />
Light
How We Make a <strong>Glow</strong> <strong>Stick</strong> Work<br />
• Structure<br />
– Hydrogen Peroxide encased in a glass container<br />
within the plastic tube<br />
– bis(2,4,6-trichlorophenyl)oxalate and fluorescent<br />
dye encased within the plastic tube
How to make a glow stick
<strong>Chemiluminescence</strong><br />
• Light producing<br />
• Does not produce a significant amount of heat<br />
• Electromagnetic radiation
<strong>Chemiluminescence</strong> Reaction<br />
2<br />
2H 2<br />
O<br />
O 2<br />
N 2<br />
hv<br />
Luminol Excited state Product
<strong>Chemiluminescence</strong> In World Around Us<br />
• Fireflies and Jellyfish<br />
• <strong>Glow</strong> <strong>Stick</strong>s<br />
– Natural Disasters<br />
– Military<br />
– Safety
Change language