The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Visible Light Switching of a BF2-Coordinated Azo Compound
Abstract
Here we report the synthesis and characterization of a BF(2)-azo complex that can be induced to isomerize without the need of deleterious UV light. The complexation of the azo group with BF(2), coupled with the extended conjugation of the N═N π-electrons, increases the energy of the n-π* transitions and introduces new π-nonbonding (π(nb)) to π* transitions that dominate the visible region. The well separated π(nb)-π* transitions of the trans and cis isomers enable the efficient switching of the system by using only visible light. The complexation also leads to a slow cis → trans thermal relaxation rate (t(1/2) = 12.5 h). Theoretical calculations indicate that the absorption bands in the visible range can be tuned using different Lewis acids, opening the way to a conceptually new strategy for the manipulation of azo compounds using only visible light.
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Metadata
- Authors
- Yang, Y., Hughes, R. P., & Aprahamian, I.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-09-10
- Volume
- 134
- Issue
- 37
- Pages
- 15221-15224
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1971933638
- Cited by
- 249
- References
- 5
- FWCI
- 6.81
- Type
- journal article
- Language
- en
- Open access
- closed
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