Electrical and optical properties of some azo dyes |
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| Affiliation: | 1. Department of Energy Systems Engineering, Faculty of Engineering and Natural Sciences, Ankara Yıldırım Beyazıt University, Ankara, Turkey;2. Department of Electric and Electronic Engineering, Faculty of Engineering, Harran University, Sanliurfa, Turkey;3. Department of Chemical Engineering, Faculty of Engineering and Natural Sciences, Ankara Yıldırım Beyazıt University, Ankara, Turkey;1. Film Device Fabrication-Characterization and Application, FDFCA Research Group, USTOMB, 31130, Oran, Algeria;2. Physics Faculty, USTOMB University, POBOX 1505, 31130, Mnaouer, Oran, Algeria;1. School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China;2. Guangdong Second Provincial General Hospital, Guangzhou, 510317, China;3. The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, China |
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| Abstract: | The dipole moments of six monoazo dyes were obtained from measurements of their static dielectric constants and refractive indices of dilute solutions in benzene and carbon tetrachloride at temperatures between 20°C and 40°C. Also their lightfastness and absorption spectra (λmax) were measured.From the results obtained, it was found that there is a linear relationship between the dipole moment, lightfastness and maximum absorption (λmax) of the monoazo dyes under investigation. |
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