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Issue 28, 2015
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Lanthanide complexes with 2-(tosylamino)benzylidene-N-benzoylhydrazone, which exhibit high NIR emission

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Abstract

New NIR emitting materials were found among the lanthanide complexes with 2-(tosylamino)benzylidene-N-benzoylhydrazone. Complexes of Nd3+, Er3+ and Yb3+, as well as Eu3+, Gd3+ and Lu3+, were synthesized for the first time. Owing to the absence of vibration quenching the ytterbium complex was found to exhibit a photoluminescence quantum yield of 1.4%. Since the sensitization efficiency was calculated to be 55%, the losses in the quantum yield are probably due to Yb–Yb resonant energy transfer.

Graphical abstract: Lanthanide complexes with 2-(tosylamino)benzylidene-N-benzoylhydrazone, which exhibit high NIR emission

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Supplementary files

Article information


Submitted
24 Mar 2015
Accepted
22 May 2015
First published
27 May 2015

Dalton Trans., 2015,44, 12660-12669
Article type
Paper
Author version available

Lanthanide complexes with 2-(tosylamino)benzylidene-N-benzoylhydrazone, which exhibit high NIR emission

V. V. Utochnikova, A. D. Kovalenko, A. S. Burlov, L. Marciniak, I. V. Ananyev, A. S. Kalyakina, N. A. Kurchavov and N. P. Kuzmina, Dalton Trans., 2015, 44, 12660
DOI: 10.1039/C5DT01161B

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