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- W2364981692 abstract "To study the luminescence mechanism of fluorescent dyes,two different substituted 1,8-naphthaline fluorescent dyes are synthesized using 4-bromo-1,8-naphthalic anhydride and 2-dimethylaminoethylamine.The structures are characterized by mass spectrometry(MS)and nuclear magnetic resonance hydrogen spectrum(1H NMR)and the excitation spectrum and emission spectrum are investigated.The structures in ground state are optimized using density function theory.At the same time,the molecular structures of the first singlet excited state are optimized by single-excitation configuration interaction CIS/6-31G(d).The excitation and emission wavelength based on the above structures are obtained by the time-dependent density function theory at the B3LYP/6-31G(d)level.The calculated results indicate that electronic transition of such substances from ground states to excited states originates from the electronic transition from atoms outside the ring to the three six-membered rings and the wavelength of the excited and emission spectra have good agreement with the experimental data." @default.
- W2364981692 created "2016-06-24" @default.
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- W2364981692 date "2011-01-01" @default.
- W2364981692 modified "2023-09-26" @default.
- W2364981692 title "Synthesis and Quantum Chemistry Study of Two Fluorescent Dyes" @default.
- W2364981692 hasPublicationYear "2011" @default.
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