کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
27057 | 43997 | 2014 | 6 صفحه PDF | دانلود رایگان |
• A novel diarylethene with a Schiff base unit was synthesized.
• It could be transformed into a diarylethene with a benzoxazole moiety by NaOH and light.
• Its multi-responsive photochromism could be effectively modulated by chemical and light stimuli.
A novel diarylethene with a Schiff base unit was successfully synthesized and its multi-responsive photochromism could be effectively modulated by chemical and light stimuli. By the stimulation of sodium hydroxide, the absorption maximum of its closed-ring isomer showed extraordinarily large redshift of 134 nm, accompanied with a notable color change from purple to green. Subsequent irradiation with 420 nm visible light further caused a dramatic change in its color from green to cyan due to the formation of the benzoxazole moiety. Moreover, the deprotonated open-ring isomer exhibited typical photochromism via the diarylethene intermediate with a benzoxazole unit.
A novel diarylethene with a Schiff base unit was synthesized. It could be easily transformed into a diarylethene with a benzoxazole moiety by the stimulation of sodium hydroxide and photoirradiation. The structure transformation provided a new approach to construct a multi-responsive photochromic diarylethene system.Figure optionsDownload as PowerPoint slide
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 282, 15 May 2014, Pages 47–52