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Title
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Solution electrochemistry of indolenium squarylium cyanine dyes
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Author
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Abstract
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| The redox potential of a class of donor-acceptor-donor (D-A-D) molecules, bis(5-substituent-2,3,3,-trimethyl-indolenium-2-ylidene)squaraines (Sq 1-8), were determined. All the dyes exhibit two reversible oxidation potentials in methanol. C-5 substituents at the indolenium moieties exert a small effect on the first oxidation potential, and the substituent effect is attributed to the inductive parameters. The frontier orbital energy levels were calculated by the AM1-SCF method. A good linear relationship between the highest occupied molecular orbital energy level and the first oxidation potential was found. (C) 1999 Elsevier Science Ltd. All rights reserved. |
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Language
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English
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Source (journal)
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Dyes and pigments. - London
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Publication
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London
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1999
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ISSN
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0143-7208
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DOI
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10.1016/S0143-7208(98)00078-3
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Volume/pages
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42
:2
(1999)
, p. 113-116
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ISI
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000080023000001
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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