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Synthesis of 6-Alkyl-3-Chromonealdehyde(2,2-dialkyl)hydrazone Derivatives for Green Light Emitting Materials  

Chung, Pyung-Jin (Department of Materials Science and Engineering, Dankook University)
Chang, Hong-Joon (Department of Materials Science and Engineering, Dankook University)
Publication Information
Applied Chemistry for Engineering / v.21, no.4, 2010 , pp. 424-429 More about this Journal
Abstract
6-Alkyl-3-chromonealdehyde (2,2-dialkyl)hydrazone derivatives were synthesized by dehydration condensation. They are green-emitting materials for organic light emitting device (OLED) composed of electron acceptor of 6-alkyl-3-chromonealdehydes and electron donor of 2,2-dialkylhydrazones in a conjugated structure. The structural properties of reaction products were analyzed by FT-IR and $^1H$-NMR spectroscopy. The thermal stabilities and reactivities were measured by melting points and yields. The UV-visibles and PL properties were also determined by excitation spectra and emission spectra, respectively.
Keywords
6-methyl-3-chromonealdehyde; 6-isopropyl-3-chromenealdehyde; 1,1-diphenylhydrazine; 1-methyl-1-phenylhydrazine; 1,1-dimethylhydrazine;
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