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Synthesis of 3-Chromonealdehyde(2,2-disubstituted)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.20, no.6, 2009 , pp. 670-674 More about this Journal
Abstract
3-Chromonealdehyde(2,2-disubstituted)hydrazone derivatives were synthesized by dehydration condensation. They are green-emitting materials for organic light emitting device (OLED) composed of electron acceptor of 3-chromonealdehydes and electron donor of 2,2-disubstituted hydrazones by a conjugated structure. The structural properties of reaction products were analyzed FT-IR and $^1H-NMR$ spectroscopy. The thermal stabilities and reactivities were measured by melting points and yields. The UV-visibles and PL properties can be determined by excitation spectra and emission spectra, respectively.
Keywords
3-chromonealdehyde; 6-nitro-3-chromenealdehyde; 1,1-diphenylhydrazine; 1,1-dimethylhydrazine; 1-methyl-1-phenylhydrazine;
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