Spectroscopic properties of polycrystals of supramolecular europium complexes with bathophenanthroline


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Nanostructured supramolecular complex of europium(III) with bathophenanthroline (bphen), with detonation synthesis nanodiamonds (NDs) used as a structure-forming element, has been synthesized for the first time. The characteristics of the Eu(bphen)2(NO3)3 complex and the supramolecular complex with NDs, ND–Eu(bphen)2(NO3)2, are studied and compared using scanning electron microscopy (SEM), luminescence spectroscopy, IR spectroscopy, and electron-spin resonance (ESR) spectroscopy. The luminescence quantum yields of the complexes are estimated by the relative method using a β-diketonate complex of europium (III) with tris(thenoyltrifluoroacetone) and 1,10-phenanthroline (Eu(TTA)3phen) as a reference. It is found that the ND–Eu(bphen)2(NO3)2 supramolecular complex has a higher photoresistance than the complex without NDs and no worse thermal stability (up to a temperature of +150°C).

作者简介

V. Lapina

Stepanov Institute of Physics

Email: p.persh@ifanbel.bas-net.by
白俄罗斯, Minsk, 220072

T. Pavich

Stepanov Institute of Physics

Email: p.persh@ifanbel.bas-net.by
白俄罗斯, Minsk, 220072

P. Pershukevich

Stepanov Institute of Physics

编辑信件的主要联系方式.
Email: p.persh@ifanbel.bas-net.by
白俄罗斯, Minsk, 220072

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