1 Ocak 2010 Dergi makalesi Açık Erişim

Kurtoglu, Nurcan; Aslantas, Mehmet; Zengin, Huseyin; Sahin, Ertan; Kurtoglu, Mukerrem

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    <subfield code="a">This study focuses on the preparation, single crystal X-ray diffraction, characterization, and optical properties of some anthraquinone-based dyes. The anthraquinone-based antimicrobial dye N-{2-[(9,10-dioxo-9,10-dihydroanthracen-1-yl)amino]-2-oxoethyl}-N,N-dimethylbutan-1-aminium chloride monohydrate (III) was obtained from 1-aminoanthraquinone (I) via 2-chloro-N-(9,10-dioxo-9,10-dihydroanthracen-1-yl)acetamide (II) using known preparation and characterization methods. Single crystal X-ray diffraction analysis of III revealed a monoclinic system, space group P2(1)/n, Z = 4. Photoluminescence properties of anthraquinone dyes I-III were also investigated. These dyes gave an intense emission (lambda(max) = 341 nm) upon the irradiation by UV light and showed photoluminescence quantum yields of 73 %, 66 %, and 61 % with long excited-state lifetimes of 6.87 ns, 6.14 ns, and 5.69 ns, respectively. These anthraquinone dyes are of interest as an organic light emitting material for electroluminescent devices.</subfield>
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    <subfield code="a">Kurtoglu, Nurcan</subfield>
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    <subfield code="a">10.2478/s11696-010-0037-3</subfield>
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    <subfield code="a">Single crystal X-ray structure and optical properties of anthraquinone-based dyes</subfield>
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    <subfield code="a">Aslantas, Mehmet</subfield>
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