TY - JOUR
T1 - A novel mononuclear complex of 4,4″-azobis-(2,2′-bipyridine) coordinated to tetracyanoruthenium(II) can behave as a “molecular switch”
AU - Abate, Pedro O.
AU - Pourrieux, Gaston
AU - Morán Vieyra, Faustino E.
AU - Borsarelli, Claudio D.
AU - Parella, Teodor
AU - Vergara, Mónica M.
AU - Katz, Néstor E.
PY - 2019/12/1
Y1 - 2019/12/1
N2 - © 2019 Elsevier Ltd A novel tetracyanoruthenium(II) complex of formula K2[Ru(4,4″-azobpy)(CN)4], (1), with 4,4″-azobpy = 4,4″-azobis-(2,2′-bipyridine), has been synthesized and characterized by spectroscopic, electrochemical and photophysical techniques. The effects of reduction and protonation of the azo group of coordinated 4,4″-azobpy in the UV–Vis absorption and emission spectra of (1) were explored by spectroelectrochemical techniques and by addition of L-Cysteine. The behavior of (1) as a “molecular switch” could be explained with the aid of quantum–mechanical calculations by using density functional theory.
AB - © 2019 Elsevier Ltd A novel tetracyanoruthenium(II) complex of formula K2[Ru(4,4″-azobpy)(CN)4], (1), with 4,4″-azobpy = 4,4″-azobis-(2,2′-bipyridine), has been synthesized and characterized by spectroscopic, electrochemical and photophysical techniques. The effects of reduction and protonation of the azo group of coordinated 4,4″-azobpy in the UV–Vis absorption and emission spectra of (1) were explored by spectroelectrochemical techniques and by addition of L-Cysteine. The behavior of (1) as a “molecular switch” could be explained with the aid of quantum–mechanical calculations by using density functional theory.
KW - Azobipyridines
KW - L-Cysteine detection
KW - Molecular switches
KW - Proton-coupled electron transfer
KW - Ruthenium cyanides
U2 - 10.1016/j.poly.2019.114149
DO - 10.1016/j.poly.2019.114149
M3 - Article
VL - 174
M1 - 114149
ER -