3,4-Diaryl-2,5-dihydropyrrole with multiphotochromophore units 1a was synthesized and its photochromic properties were investigated. It showed that all photochromophore units underwent reversible ring-opening (1a) and ring-closing (1b) photoisomerization reactions in both solution and polymer film with UV/Vis light irradiation, and photochromic properties of 1a were similar to those of photochromic diarylethene with monophotochromophore 2a. It was found that the optical density of 1b was increased linearly with increase of the photochromophore units by comparison with that of 2b in the same condition. It was also found that no significant changes in absorption band and response time between diarylethenes with multiphotochromophores and monophotochromophore were detected in the same condition.
|Original language||English (US)|
|Number of pages||5|
|Journal||Chinese Journal of Chemistry|
|State||Published - Feb 1 2006|
- Optical material
- Organic compound
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