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Experimental determination of energy transfer in Eu(III) complexes, based on pyrazole substituted 1, 3-diketones

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, , Citation E A Varaksina et al 2016 IOP Conf. Ser.: Mater. Sci. Eng. 112 012026 DOI 10.1088/1757-899X/112/1/012026

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janiy92@yandex.ru

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1 S.I. Vavilov Department of Luminescence, P.N. Lebedev Physical Institute of the Russian Academy of Sciences, 53 Leninsky Prospekt, Moscow, 119991, Russia

2 Department of Problems of Physics and Energetics, Moscow Institute of Physics and Technology, 9 Institutsky per., Dolgoprudny, Moscow Region, 141700, Russia

3 National Research Nuclear University (Moscow Engineering Physics Institute), 31 Kashirskoe shosse, Moscow, 115409, Russia

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1757-899X/112/1/012026

Abstract

We succeeded in synthesis of the novel Eu-based luminophore with almost 100% efficiency of energy transfer from ligands to the lanthanide ion. The luminophores with β- diketonate ligands were characterized by means of optical spectroscopy. Impact of different types of β-diketonates on the quantum yield of luminescence was revealed. A β-diketonate complex exhibiting the highest luminescence quantum yield and prospective for OLED applications was determined. The reasons for decreasing quantum efficiencies for other types of investigated ligands are discussed.

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10.1088/1757-899X/112/1/012026