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Fillaut, J.-L., Akdas-Kilig, H., Dean, E., Latouche, C. & Boucekkine, A. (2013) Switching of reverse charge transfers for a rational design of an OFF-ON phosphorescent chemodosimeter of cyanide anions.. Inorganic Chemistry, 52 4890–4897. 
Added by: Richard Baschera (2016-09-27 07:35:11)
Type de référence: Article
DOI: 10.1021/ic302478e
Numéro d'identification (ISBN etc.): 1520-510X
Clé BibTeX: Fillaut2013
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Catégories: HORSIMN
Mots-clés: Anions, Anions: analysis, Cyanides, Cyanides: analysis, Luminescent Agents, Luminescent Agents: chemistry, Luminescent Measurements, Organoplatinum Compounds, Organoplatinum Compounds: chemistry, Spectrophotometry, Ultraviolet
Créateurs: Akdas-Kilig, Boucekkine, Dean, Fillaut, Latouche
Collection: Inorganic Chemistry
Consultations : 3/435
Indice de consultation : 2%
Indice de popularité : 0.5%
Liens URLs ... ov/pubmed/23566307
A rational approach to luminescence turn-on sensing of cyanide by a dicyanovinyl-substituted acetylide Pt(II) complex, which primarily relies on the nucleophilic addition reaction of cyanide anions to the $alpha$-position of the dicyanovinyl group, is described. The strategy used for the design of this cyanide-selective sensor takes advantage of a switch of charge transfer from ML'CT to MLCT/L'LCT in this acetylide Pt(II) sensor. As a result, this chromophore that exhibits almost no basal luminescence displays observable changes in its UV-visible spectrum and acquires strong phosphorescence upon addition of cyanide anions. DFT computations reveal that the frontier molecular orbitals of the anionic system obtained after addition of CN(-) are drastically different from those of the neutral initial species. TD-DFT computations permitted a full assignment of the observed absorption bands and explained well the emissive properties of the species under consideration.
Added by: Richard Baschera  
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