The Science of Lightsticks ~ Understanding Chemiluminescence

The Science of Lightsticks ~ Chemiluminescence~ Darryl Ho 4L04

Contents ,[object Object],[object Object],[object Object]

What is a Lightstick? ,[object Object],[object Object],[object Object],[object Object]

What is a Lightstick? ,[object Object],[object Object]

Chemical Reactions ,[object Object],[object Object],[object Object]

Chemical Reactions ,[object Object]

Chemical Reactions ,[object Object],[object Object]

Chemical Reactions ,[object Object],[object Object],[object Object],[object Object]

Chemical Reactions ,[object Object],The lightstick on the left has been left at room temperature after being activated. The lightstick on the right has been immersed in hot water for one minute. The rate of reaction is increased, causing the stick to glow more brightly due to the increased amount of energy produced. However, it will wear out more quickly as well.

Various Chemicals for Various Colors ,[object Object]

Various Chemicals for Various Colors ,[object Object],Blue 9,10-diphenylanthracene Green 9,10-bis(phenylethynyl)anthracene Yellow 1-chloro-9,10-bis(phenylethynyl)anthracene Rubrene Orange 5,12-bis(phenylethynyl)-naphthacene Rhodamine 6G Red Rhodamine B

Various Chemicals for Various Colors ,[object Object],[object Object],[object Object],[object Object],[object Object]

Examples of Lighsticks in Action

The Science of Lightsticks ~ Understanding Chemiluminescence

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The Science of Lightsticks ~ Understanding Chemiluminescence