In-situ polymerized polyaniline films

Sapurina, Irina; Osadchev, A. Yu.; Волчек, Б. З.; Trchová, Miroslava; Riede, Andrea; Stejskal, Jaroslav

doi:10.1016/s0379-6779(02)00036-x

Cited by 106 publications

(76 citation statements)

References 38 publications

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“…The formation of PANI films on glass [16][17][18][19][20] has been investigated in detail. It has been proposed that aniline oligomers anchored at the surface [18,21] stimulate the growth of PANI chains preferentially in a perpendicular direction to the support [22,23]. Similar concepts have been suggested for electrochemically produced films [24,25].…”

Section: Introductionmentioning

confidence: 62%

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Polyaniline: Thin films and colloidal dispersions (IUPAC Technical Report)

Stejskal

Sapurina

2005

Pure and Applied Chemistry

232

131

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Several workers from various institutions in six countries have prepared thin films and colloidal polyaniline dispersions. The films were produced in situ on glass supports during the oxidation of anilinium chloride with ammonium peroxydisulfate in water. The average thickness of the films, assessed by optical absorption, was 125 ± 9 nm, and the conductivity of films was 2.6 ± 0.7 S cm–1. Films prepared in 1 mol l–1 HCl had a similar thickness, 109 ± 10 nm, but a higher conductivity, 18.8 ± 7.1 S cm–1. Colloidal polyaniline particles stabilized with a water-soluble polymer, poly(N-vinylpyrrolidone) [poly(1-vinylpyrrolidin-2-one)], have been prepared by dispersion polymerization. The average particle size, 241 ± 50 nm, and polydispersity, 0.26 ± 0.12, have been determined by dynamic light scattering. The preparation of these two supramolecular polyaniline forms was found to be well reproducible.

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Section: Introductionmentioning

confidence: 62%

“…This means that new oligomers are thus born and adsorbed close to the nucleus, and stimulate the growth of new PANI chains. The PANI chains forming a film thus proliferate along the surface and, for steric reasons, are oriented preferentially perpendicularly to the support [23].…”

Section: Concept Of Film and Colloidal Particle Formationmentioning

confidence: 99%

Polyaniline: Thin films and colloidal dispersions (IUPAC Technical Report)

Stejskal

Sapurina

2005

Pure and Applied Chemistry

232

131

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“…Then the new oligomers adsorb close to the nucleus, and stimulate the growth of new PANI chains. According to Sapurina et al, [39] the PANI chain that forms a film proliferates along the surface orients preferentially perpendicularly to the substrate. The WO 3 particles are then distributed in the PANI chain to form the composite film.…”

Section: Growth Kinetics and The Mechanism Of The Films Formationmentioning

confidence: 99%

Electrochromic and electrochemical capacitive properties of tungsten oxide and its polyaniline nanocomposite films obtained by chemical bath deposition method

Nwanya

Jafta

Ejikeme

et al. 2014

Electrochimica Acta

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Polyanine and its nanocomposite WO 3 /PANI films were deposited on Fluorine doped tin oxide (FTO) glass slides by simple Chemical Bath Deposition Method. The morphology and crystalline structure of the composite film was studied using Atomic force (AFM) and Scanning Electron Microscopy, while the electrochemical capacitive properties were determined using Cyclic Voltammetry (CV), chronopotentiometry (CP) and electrochemical impedance spectroscopy (EIS). The WO 3 / PANI nano-composite exhibited multiple colors (electrochromism) during the CV scans, from brownish green to transparent to light green then back to brownish green. Surprisingly, the integration of the PANI with the WO 3 led to synergistic performance of nanohybrid wherein a true electrochemical double layer capacitor was obtained. Also, interestingly and unlike literature reports, the CBD method led to excellent capacitance retention (> 98%) of the PANI even at 1000 continuous cycles. This work demonstrates that simple CBD can be used to get WO 3 / PANI films that give good electrochromism and pseudocapacitance comparable to the ones obtained by other methods. Hence the obtained nanocomposite film of WO 3 / PANI can be a promising material for electrochromic and energy storage applications.

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“…Recent reports [1][2][3][4][5][6] about how thin films of a conjugated, conducting polymer, polyaniline (PANI), are adherent and conductive when deposited on inorganic particles, textiles and a variety of solid substrates, such as transparent glass and flexible poly(ethylene terephthalate), broadens its applicability on sensors and electronic devices. A common method of preparation of these PANI films is by immersing a solid substrate in the reaction medium containing both monomer and oxidant.…”

Section: Introductionmentioning

confidence: 99%

“…The polymerization initiates by adsorption of oligomers on the substrate surface, followed by nucleation, and growth of a polymer film [3]. This process is called in situ adsorption polymerization since the film thickness (or reaction yield) increases with the reaction time [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Surface Characterization of Absorbing Polymer Films Deposited on Transparent Glasses

et al. 2008

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PANI films were deposited on glass substrates by in-situ polymerization and characterized by UV-VIS spectroscopy and atomic force microscopy. A method is developed to accurately analyze ellipsometric data obtained for transparent glass substrates before and after modification with absorbing polymer films. Surface modification was made with an overlayer such as polyaniline (PANI), which exhibits different optical properties by varying its oxidation state. First, the issue of using transparent substrates for ellipsometry studies was examined and then, spectroscopic ellipsometry was used to characterize absorbing overlayers on transparent glasses. The same methodologies of data analysis can be also applied to other absorbing films on transparent substrates, and deposited by different techniques.

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In-situ polymerized polyaniline films

Cited by 106 publications

References 38 publications

Polyaniline: Thin films and colloidal dispersions (IUPAC Technical Report)

Polyaniline: Thin films and colloidal dispersions (IUPAC Technical Report)

Electrochromic and electrochemical capacitive properties of tungsten oxide and its polyaniline nanocomposite films obtained by chemical bath deposition method

Surface Characterization of Absorbing Polymer Films Deposited on Transparent Glasses

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