The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.
Turn-on Phosphorescence by Metal Coordination to a Multivalent Terpyridine Ligand: A New Paradigm for Luminescent Sensors
Abstract
A hexathiobenzene molecule carrying six terpyridine (tpy) units at the periphery has been designed to couple the aggregation induced phosphorescence, displayed by the core in the solid state, to the metal binding properties of the tpy units. Upon Mg(2+) complexation in THF solution, phosphorescence of the hexathiobenzene core is turned on. Metal ion coordination yields the formation of a supramolecular polymer which hinders intramolecular rotations and motions of the core chromophore, thus favoring radiative deactivation of the luminescent excited state. Upon excitation of the [Mg(tpy)2](2+) units of the polymeric structure, sensitization of the core phosphorescence takes place with >90% efficiency. The light-harvesting polymeric antenna can be disassembled upon fluoride ion addition, thereby switching off luminescence and offering a new tool for fluoride ion sensing. This unique system can, thus, serve as cation or anion sensor.
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Metadata
- Authors
- Fermi, A., Bergamini, G., Roy, M., Gingras, M., & Ceroni, P.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-04-22
- Volume
- 136
- Issue
- 17
- Pages
- 6395-6400
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2314985976
- Cited by
- 257
- References
- 19
- FWCI
- 9.83
- Type
- journal article
- Language
- en
- Open access
- closed
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