Published in
Royal Society of Chemistry, Chemical Communications, 78(50), p. 11580-11582, 2014
DOI: 10.1039/c4cc04961f
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Lanthanoid β-triketonates: A new class of highly efficient NIR emitters for bright NIR-OLEDs
Journal article published in 2014 by
Brodie L. Reid,
Stefano Stagni 
,
Joanna M. Malicka,
Massimo Cocchi,
Garry S. Hanan,
Mark I. Ogden,
Massimiliano Massi
,
Joanna M. Malicka,
Massimo Cocchi,
Garry S. Hanan,
Mark I. Ogden,
Massimiliano Massi
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Abstract
The reaction of hydrated YbCl3 with potassium tribenzoylmethanide yields a new bimetallic tetranuclear Yb(3+)/K(+) assembly. This species not only possesses the longest excited state lifetime and quantum yield reported for the Yb(3+) diketonate family but is also suitable to be incorporated in NIR-OLEDs, whose performance outclasses any other reported lanthanoid-based device with NIR emission.