dual-mode photochromism

https://doi.org/10.1351/goldbook.DT07366
@P04589@ occurring in complex systems and triggered alternatively by two different external stimuli, such as light and an @E01927@. In such a case @P04589@ and 'electrochromism' are mutually regulated.
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 327 [Terms] [Paper]