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Abstract:
A series of D-π-A type azobenzenes with a ferrocenyl/ferrocenylethynyl electron donor at thepara/meta-position have been synthesized and characterized by electrochemistry and UV-vis spectroscopy. Compared to the D-π typemeta-ferrocenyl/ferrocenylethynyl azobenzenes, the photoisomerization properties of D-π-A typemeta-ferrocenyl/ferrocenylethynyl azobenzene are significantly improved. The photoisomerization properties of D-π-A typemeta-ferrocenyl azobenzene are significantly different from those of D-π-A typepara-ferrocenyl azobenzene, due to the electronic communication influenced by the substitution position of the redox center on the azobenzene moiety. Among the derivatives, compound17exhibits the highest amount of thecisform (97%) in the photostationary state (PSS) upon UV light (365 nm) irradiation. Compounds13and15-17exhibit excellent fatigue resistance and reversibility upon several reversible isomerization cycles. © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2021.
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New Journal of Chemistry
ISSN: 1144-0546
Year: 2021
Issue: 42
Volume: 45
Page: 19917-19927
3 . 9 2 5
JCR@2021
2 . 7 0 0
JCR@2023
ESI HC Threshold:117
JCR Journal Grade:2
CAS Journal Grade:4
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 6
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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