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Science glossary film: Chemiluminescence

Chemiluminescence

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The release of light with very little heat as the result of a chemical reaction.

The release of light with very little heat as the result of a chemical reaction. This is quite different to the emission of light from any kind of fire, in which the combustion products glow simply because they are hot. In glowsticks, hydrogen peroxide reacts with a chemical called diphenyl oxalate, triggering a sequence of reactions that excite a fluorescent dye.

This is quite different to the emission of light from any kind of fire, in which the combustion products glow simply because they are hot. In glowsticks, hydrogen peroxide reacts with a chemical called diphenyl oxalate, triggering a sequence of reactions that excite a fluorescent dye.

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