http://www.cnr.it/ontology/cnr/individuo/prodotto/ID240115
Polyconjugated azomethine layers by sequential condensation of al,al'-dialdehyde-oligothiophenes and 4,4'-diamino-diphenylenes on ITO/glass electrodes (Articolo in rivista)
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- Polyconjugated azomethine layers by sequential condensation of al,al'-dialdehyde-oligothiophenes and 4,4'-diamino-diphenylenes on ITO/glass electrodes (Articolo in rivista) (literal)
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- 2002-01-01T00:00:00+01:00 (literal)
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- 10.1021/cm020619v (literal)
- Alternative label
Zotti G.; Randi A.; Destri S.; Porzio W.; Schiavon G. (2002)
Polyconjugated azomethine layers by sequential condensation of al,al'-dialdehyde-oligothiophenes and 4,4'-diamino-diphenylenes on ITO/glass electrodes
in Chemistry of materials; American Chemical Society, Washington, DC (Stati Uniti d'America)
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- Zotti G.; Randi A.; Destri S.; Porzio W.; Schiavon G. (literal)
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- 1,2 :Istituto CNR per l' Energetica e le Interfasi, C.o Stati Uniti 4, 35127 Padova, Italy /
3,4 : Istituto CNR per lo Studio delle Macromolecole, via E. Bassini 15, 20133 Milan, Italy /
5 : Istituto CNR di Chimica Inorganica e delle Superfici, C.o Stati Uniti 4, 35127 Padova, Italy (literal)
- Titolo
- Polyconjugated azomethine layers by sequential condensation of al,al'-dialdehyde-oligothiophenes and 4,4'-diamino-diphenylenes on ITO/glass electrodes (literal)
- Abstract
- Sequential (alternate) azomethine condensation of aldehyde end-capped oligothiophenes (Tn, n = 3, 6, and 8) with p-diaminobiphenile (DAB) or p-diaminofluorene (DAF) on 3-aminopropyltrimethoxysilane-primed (ATS-primed) ITO/glass is reported. The layers have been characterized by cyclic voltammetry, UV-vis spectroscopy, photoluminescence, XRD, and AFM. The oligothiophene layers first produced on the ATS-primed ITO are dense like ferrocene monolayers for T3 (4 x 10(-10) mol cm(-2)) and ca. 3 times less dense for T6 and T8 (1.5 x 10(-10) mol cm(-2)). The subsequent sequential growth occurs regularly with T3 but its rate is ca. 50% lower for T6 and almost null for T8. The condensed films are free of major defects and have the same roughness as the primed surface. Typical brush-electrodes formed by ATS/T3/(DAF/T3)(4) and ATS/T6/(DAF/T6)(2) sequences are fluorescent and reversibly protonated to colored films by perchloric acid in acetonitrile and undergo reversible iodine-doping. (literal)
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