Abstract
This paper discusses the sensitized fluorescence of coumarin-30 in nanoparticles
self-organized from complexes of phenylbenzoyltrifluoroacetone and 1, 10-phenanthroline
with ions of the lanthanides, yttrium, aluminum, and scandium in water–alcohol
solutions. It is shown that, when nanoparticles are formed from complexes of lanthanide
and yttrium ions, the coumarin-30 molecules from the solution are completely
incorporated into the nanoparticles. An absence of concentration quenching of the
cofluorescence of coumarin-30 in the nanoparticles is detected in the entire region of
dye concentrations studied here. Facts are presented that prove that coumarin-30 is
incorporated in the lanthanide and yttrium complexes as a synergic bidentate ligand. It
is demonstrated that brightly luminescent markers can be created that absorb not only in
the 360–370 nm region, but also in the 440–450 nm region and that possess a narrow
fluorescence spectrum with a maximum at λ=520 nm.
© 2013 Optical Society of America
PDF Article
More Like This
Cited By
You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription