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Solvatochromism of indonaphthol dye
Fibers and Polymers, 2008The solvatochromic behavior of indonaphthol dye was described. The UV/Vis absorption spectra of this compound have been studied in 5 solvents of different polarity. The solvatochromism of indonaphthol dye is discussed with the aid of semiempirical calculations.
Jin-Seok Bae, Young-A Son, Sung-Hoon Kim
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Solvatochromism of some hemicyanines
Journal of Molecular Liquids, 2013Abstract Solvatochromism of some hemicyanines dyes ( N -alkyl (methyl, hexyl and hexadecyl)-4-[(4- N , N -dimethylamino)styryl] pyridinium halides in 28 organic solvents has been investigated by using absorption and emission spectroscopy. The probes have inbuilt donor–acceptor system and the corresponding charge transfer bands are found to be solvent
Mallika Panigrahi +2 more
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The Journal of Physical Chemistry A, 1998
Excitation and emission fluorescence spectra of 2-naphthol and 2-methoxynaphthalene were measured in a series of pure solvents. The spectral shifts are correlated by the Kamlet−Taft parameters (π*, β, and α). As judged from the π* dependence, both molecules have a negligibly small dipole moment in their ground electronic state, which increases in the ...
Kyril M. Solntsev +2 more
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Excitation and emission fluorescence spectra of 2-naphthol and 2-methoxynaphthalene were measured in a series of pure solvents. The spectral shifts are correlated by the Kamlet−Taft parameters (π*, β, and α). As judged from the π* dependence, both molecules have a negligibly small dipole moment in their ground electronic state, which increases in the ...
Kyril M. Solntsev +2 more
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Vibrational Solvatochromism in Vaska’s Complex Adducts
The Journal of Physical Chemistry A, 2012The vibrational solvatochromism of bis(triphenylphosphine) iridium(I) carbonyl chloride (Vaska's complex, VC) was investigated by FTIR spectroscopy. The carbonyl stretching frequency (ν(CO)) was measured in 16 different organic solvents with a wide range of Lewis acidities for VC and its dioxygen (VC-O(2)), hydride (VC-H(2)), iodide (VC-I(2)), bromide (
Christopher J, Huber +5 more
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Electrochromism and Solvatochromism
Angewandte Chemie International Edition in English, 1969AbstractThe position and the intensity of electronic bands are influenced by an electric field. Pronounced changes in the position of absorption bands are mainly due to the dipole moment of the molecule in the ground state and the change in the dipole moment during the excitation process, and pronounced changes in intensity are due to the field ...
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Fluorescence solvatochromism of nitrodiphenylhexatrienes
Journal of the Chemical Society, Faraday Transactions 2, 1985Examination of the absorption and fluorescence spectra of symmetrically and asymmetrically substituted 4′-nitro derivatives of 1,6-diphenyl-1,3,5,-hexatriene reveals fundamental transformations of photophysical behaviour relative to the parent molecule. The manifestations of this divergence are solvent dependent.
Iain D. Johnson +2 more
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Solvatochromic Dye Sensitized Nanocrystalline Solar Cells
Nano Letters, 2002The coordination compound TBA(4)[Ru(CN)(4)(dcb)], where TBA is tetrabutylammonium and dcb is 4,4'-(CO2-)(2)-2,2'-bipyridine, was synthesized and attached to optically transparent nanocrystalline (anatase) TiO2 films, abbreviated [Ru(CN)(4)(dcb)]/TiO2.
Argazzi +4 more
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Solvatochromic Shifts: A Reconsideration
The Journal of Physical Chemistry A, 1998Solvatochromic shifts in molecular spectra are often used to determine excited-state dipole moments. In comparing results with the more accurate gas-phase Stark effects studies, large discrepancies are obtained in the few cases in which both types of studies have been carried out. We attempt to reconcile the two techniques by reanalyzing solvatochromic
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Thermochromism and Solvatochromism in Solution
Monatshefte fuer Chemie/Chemical Monthly, 2001The thermochromic behaviour of various coordination compounds in solution is discussed, with a special focus on cyclic diamine chelates. Thermally induced spin-crossover phenomena of iron(II) complexes are also considered. The solvatochromic behaviour of mixed-ligand complexes is presented in detail.
Usama El-Ayaan +2 more
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A solvatochromic chelating agent
Talanta, 1963Abstract 1-Methyl-2-[2-(8-hydroxy-5-quinolyl)vinyl]-8-hydroxyquinolinium chloride has been prepared as an example of a chelating agent for metals that changes colour with solvent polarity. As a chelating agent it has some selectivity, precipitating only the copper II ion in an acidic solution and forming a distinctively coloured product with zinc in
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