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 SM ISO690:2012GANIN, Eduard, MASUNOV, Artem, SIMINEL, Anatolii, FONARI, Marina. Preparation, characterization, and electronic structure of asymmetric isonaphthalimide: Mechanism of dual fluorescence in solid state. In: Journal of Physical Chemistry C, 2013, vol. 117, pp. 18154-18162. ISSN 1932-7447. DOI: https://doi.org/10.1021/jp402016j |
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  Journal of Physical Chemistry C |
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| Volumul 117 / 2013 / ISSN 1932-7447 /ISSNe 1932-7455 | ||||||
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| DOI:https://doi.org/10.1021/jp402016j | ||||||
| Pag. 18154-18162 | ||||||
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The asymmetric isonaphthalene imide, 3-[(4-nitrophenyl)imino]-1H,3H- benzo[de]isochromen-1-one was obtained by condensation of 1,8-naphthoylchloride with p-nitroaniline in the presence of pyridine. The crystal structure and vibrational and electronic absorption spectra are reported. The emission spectrum of the crystalline phase demonstrates dual luminescence, with short and long wavelength components, while only the short wavelength component is present in chloroform solution. The geometrical and electronic structures of the ground and excited states of the molecule are investigated using density functional theory methods. Dual fluorescence is explained in terms of the excited states of different nature. The spectroscopic properties of newly synthesized compounds for possible biosensor applications are discussed. |
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| Cuvinte-cheie Engineering controlled terms Electronic structure, Emission spectroscopy, Excited states Engineering uncontrolled terms Biosensor applications, Chloroform solutions, Density functional theory methods, Dual luminescence, Electronic absorption spectra, Emission spectrums, Geometrical and electronic structures, Spectroscopic property Engineering main heading Fluorescence |
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