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 @[email protected]
Note:
Although @[email protected] 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]