Photo- and electroluminescent properties europium complexes using bistriazole ligands

Photo- and electroluminescent properties europium complexes using bistriazole ligands. [Display omitted] ► Luminescence spectra of Eu(III) complex using bistriazole ligands were fully characterized. ► Lifetime and quantum yield of luminescence are measured and discussed. ► Two new double-layer-type...

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Bibliographic Details
Published in:	Synthetic metals Vol. 164; no. C; pp. 17 - 21
Main Authors:	Gusev, Alexey N., Shul’gin, Victor F., Nishimenko, Galina, Hasegawa, Miki, Linert, Wolfgang
Format:	Journal Article
Language:	English
Published:	Amsterdam Elsevier B.V 15-01-2013 Elsevier Elsevier Sequoia
Subjects:	1,2,4-triazole derivatives Applied sciences Condensed matter: electronic structure, electrical, magnetic, and optical properties Electroluminescence Electronics Eu(III) complex Exact sciences and technology Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optoelectronic devices Other luminescence and radiative recombination Photoluminescence Physics Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Solid organic materials Electroluminescence Eu(III) complex 1,2,4-triazole derivatives Photoluminescence Manufacturing processes Triazole derivatives Light emitting diodes Current density Europium complexes Luminescence decay Illuminance
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Summary:	Photo- and electroluminescent properties europium complexes using bistriazole ligands. [Display omitted] ► Luminescence spectra of Eu(III) complex using bistriazole ligands were fully characterized. ► Lifetime and quantum yield of luminescence are measured and discussed. ► Two new double-layer-type OLED devices are created and characterized. Luminescent properties of two heteroleptic dibenzoylmethanate europium(III) complexes with 1,3-bis(5-pyridin-2-yl-1,2,4-triazol-3-yl)propane (H2L1) and 1,4-bis(5-pyridin-2-yl-1,2,4-triazol-3-yl)butane (H2L2) as ancillary ligands are described. The two double-layer-type electroluminescent cells with the structures: (1) ITO/NPB(40nm)/Eu(DBM)2HL1 (40nm)/LiF (1nm)/Al (100nm) and (2) ITO/NPB(40nm)/Eu(DBM)2HL2 (40nm)/LiF (1nm)/Al (100nm) emit red light originating from the europium complexes. The device 2 gives the maximum brightness of 455cd/m2 at 19.2V.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0379-6779 1879-3290
DOI:	10.1016/j.synthmet.2012.12.020