Journal
OPTICAL MATERIALS
Volume 52, Issue -, Pages 186-191Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optmat.2015.12.039
Keywords
Isonicotinoyl hydrazone; Isoniazid; Luminescence; Emitting layer; OLEDs
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Funding
- FAPERJ (Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro, Brazil)
- CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico, Brazil)
- CAPES
- INEO-INCT
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Hydrazones constitute a class of compounds presenting azomethine R'R '' N-N=CH-R hydrogens, which show diverse properties and a wide range of applications. A hydrazone derived from the antituberculosis drug isoniazid, namely, N,N'-diisonicotinoyl-2-hydroxy-5-methylisophthalaldehyde hydrazone (DMD) was synthesized and chemically characterized. Its luminescent properties were also investigated, as well as the possibility of using this compound as a constituent of the emitting layer for the fabrication of OLEDs. Co-deposited devices were fabricated using the organic molecule BSBF as matrix and DMD as dopant. All the devices presented a broad electroluminescence band, in which it was possible to recognize the DMD emission along with emissions of some of the other organic layers. The best results were obtained with 35% DMD doping, achieving a luminance of about 35 cd/m(2). (C) 2015 Elsevier B.V. All rights reserved.
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