fatigue 

of a photochromic system
https://doi.org/10.1351/goldbook.FT07375
Loss of performance over time, due to chemical degradation. The major cause of fatigue is oxidation.
Note:
Although photochromism is a non-destructive process, side reactions can occur.
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 338 [Terms] [Paper]
Citation: 'fatigue' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.FT07375 RIS BibTex EndNote
Div. IIIPDFTextXMLJSON
Last revised: February 24, 2014