SCHEDULED MAINTENANCE
A rare example of a compact heteroleptic cyclometalated iridium(iii) complex demonstrating well-separated dual emission†
Anastasia Yu.
Gitlina, 
a
Maria V.
Ivonina,
a
Vladimir V.
Sizov,
a
Galina L.
Starova,
a
Anatoly P.
Pushkarev,
b
Dmytro
Volyniuk,
c
Sergey P.
Tunik,
a
Igor O.
Koshevoy
d
and
Elena V.
Grachova
*a
a
Maria V.
Ivonina,
a
Vladimir V.
Sizov,
a
Galina L.
Starova,
a
Anatoly P.
Pushkarev,
b
Dmytro
Volyniuk,
c
Sergey P.
Tunik,
a
Igor O.
Koshevoy
d
and
Elena V.
Grachova
*a
Abstract
A series of [Ir(C^N)2(NN)][PF6] complexes in which NN is 5-(4-ethynylphenyl)-2,2′-bipyridine has been synthesized and characterized by spectroscopic methods. All novel complexes exhibit unique singlet–triplet dual emission in solution with two well-separated emission bands. The mechanism of dual emission has been elucidated on the basis of experimental data and confirmed by TDDFT calculations.
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