2006
DOI: 10.1016/j.jelechem.2006.03.016
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Structural and electrochromic study of polypyrrole synthesized with azo and anthraquinone dyes

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Cited by 35 publications
(34 citation statements)
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“…The bathochromic shift in the absorption spectra of PPy/MR when compared to the pristine PPy may be associated to the narrowing in the band gap energy (E g ) of PPy/MR due to the increase of the planarity of the polymer. Similar results have been reported for azo and anthraquinone dyes by Ferreira et al [8].…”
Section: Spectroelectrochemical Characterisationsupporting
confidence: 91%
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“…The bathochromic shift in the absorption spectra of PPy/MR when compared to the pristine PPy may be associated to the narrowing in the band gap energy (E g ) of PPy/MR due to the increase of the planarity of the polymer. Similar results have been reported for azo and anthraquinone dyes by Ferreira et al [8].…”
Section: Spectroelectrochemical Characterisationsupporting
confidence: 91%
“…Similar values of t have been reported in the literature for PPy films doped with different dyes, such as Remazol Black B (14 s), Dianix Red (9 s) and SDS-Indigo Carmine (8 s) [8,55]. Stability during long-term switching of PMRPy films may be improved after setting the optimum experimental conditions, i.e.…”
Section: Spectroelectrochemical Characterisationsupporting
confidence: 82%
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“…Previously, Ferreira et al [44] analysed XRD patterns of polypyrrole synthesised with the dyes Remazol Black B and Dianix Red. In their work, they proposed a structure consisting of a dye sandwiched between two polypyrrole chains separated by a perpendicular distance termed "d-spacing", which can be evaluated based on Bragg's law [44] in Eq. (3),…”
Section: Xrd Analysis Of Polypyrrole-acid Red 1 Filmsmentioning
confidence: 99%
“…Azobenzene molecule is widely used in polymerization [3] especially in photochemical applications [4], optoelectronic devices [5], optical data storage devices [6] and liquid crystalline polymers [7]. In 2000 Laschitsch and co-workers reported that polymer films containing azobenzene undergo softening upon irradiation with UV light due to the cis-trans isomerisation of azobenzene [8].…”
Section: Introductionmentioning
confidence: 99%