Quartz crystal microbalance studies of the effect of solution temperature on the ion-exchange properties of polypyrrole conducting electroactive polymers

Khalkhali, Reza; Price, William E.; Wallace, Gordon G.

doi:10.1016/s1381-5148(03)00055-5

Cited by 63 publications

(33 citation statements)

References 15 publications

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“…Nearly the same resistograms (resistance changes with potential) were observed for the conducting PPy polymers doped with the same mobility of dopant counterion. It is interesting that the resistance changes in PPy during redox reaction of the polymer are accompanied by mass transport properties [18].…”

Section: Resultsmentioning

confidence: 99%

Electrochemical Synthesis and Characterization of Electroactive Conducting Polypyrrole Polymers

Khalkhali

2005

Russ J Electrochem

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Conducting/electroactive polypyrrole polymers are synthesized electrochemically on glassy carbon in various electrolytes (counterions). The polymers' electroactivity is measured using cyclic voltammetry. The electrolytes are chloride, nitrate, p -toluene sulfonate, dodecyl sulfate, and dodecylbenzenesulfonate of sodium and potassium ferrocyanide. It is found that the electrolyte (dopant) markedly affects the redox behavior of the polypyrrole films.

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Section: Resultsmentioning

confidence: 99%

Electrochemical Synthesis and Characterization of Electroactive Conducting Polypyrrole Polymers

Khalkhali

2005

Russ J Electrochem

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“…It has been found that the ion exchange ability of PPy depends on the polymerization conditions, [1][2][3][4] the solvent and solution, [3][4][5] the type and size of dopant counterions, 4,[6][7][8] the valence and size of the ions present in the electrolyte solution, [8][9][10] the temperature, 11 and the film thickness. 12,13 PPy with small incorporated counterions, e.g., chloride (Cl À ), nitrate (NO 3 À ), perchlorate (ClO 4 À ), and sulfate (SO 4 2À ), mainly exhibits anion exchange behavior due to the high mobility of these ions in the polymer matrix.…”

Section: Introductionmentioning

confidence: 99%

“…12 Cation exchange is found to take place primarily on PPy modified with large and bulky shaped anions, e.g., dodecyl sulfonate (DS À ), dodecyl benzene sulfonate (DBS À ), polyvinylsulfonate (PVS n À ), and polystyrene sulfonate (PSS n À ), due to the immobility of these ions in the PPy chain. 8,11,[14][15][16] When the counterions are medium sized anions, e.g., bezenesulfonate (BS À ) and para-toluene sulfonate (pTS À ), PPy exhibits both anion and cation exchange behavior, and the exchange processes are controlled by the different polarization potentials. 1,13,[17][18][19] As noted above, there have been many reports on the ion exchange behavior of PPy films under different conditions.…”

Section: Introductionmentioning

confidence: 99%

Influence of doping anions on the ion exchange behavior of polypyrrole

Qiu

Guo

2009

J of Applied Polymer Sci

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ABSTRACT:The ion exchange behavior of polypyrrole (PPy) doped with a variety of dopants (A), namely chloride, nitrate, para-toluene sulfonate (pTS À ), and dodecyl sulfonate (DS À ), was investigated by means of cyclic voltammetry (CV) in NaCl, NapTS, and AlCl 3 aqueous solutions. The results show that PPy/pTS and PPy/DS films had the best anion and cation exchange ability, respectively. However, the ion exchange ability evaluated by CV charge cannot describe the exact amount of exchanged ions. For that reason, a new ion exchange experiment was designed to evaluate the amount of ions removed from NaCl aqueous solution to AlCl 3 or NapTS aqueous solution. In addition, the ion exchange ratio is defined as the ratio of the charge associated with ion ejection to the synthesis charge, and can be conveniently converted to operating exchange capability (OEC). The ion exchange ratio and OEC can be used to characterize and evaluate the ion exchange ability of PPy/A films in different conditions.

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“…The electrochemical reaction of polypyrrole involves the transport of ions in and out of the polymer in order to compensate the cationic nature of oxidised polymer 10 . Therefore, the redox reaction of polypyrrole involves both electron-transfer reaction and mass transport 11 . …”

Section: S73mentioning

confidence: 99%

Synthesis, Characterization and Electrochemical Property of Polypyrrole Nanoparticles

Munusamy¹,

Giribabu²,

Manigandan³

et al. 2013

Chem Sci Trans

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Polypyrrole nanoparticles were synthesized by chemical polymerization method using ammonium persulphate as an oxidant. The synthesized polypyrrole nanoparticles were characterized by FT-IR, UV-Visible, FESEM and CV. The structure of polypyrrole nanoparticles were confirmed by FT-IR spectroscopy. The UV-Vis spectra of polypyrrole nanoparticles show π-π* and n-π* transitions. The morphological properties were characterized by FESEM and it shows that the synthesized polymer has agglomerated morphology. The electrochemical properties of the polypyrrole nanoparticles were studied by cyclic voltammetric method. It is reasonable to expect that the synthesized polypyrrole nanoparticles will exhibit promising applications in the field of electrochemical sensor.

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Quartz crystal microbalance studies of the effect of solution temperature on the ion-exchange properties of polypyrrole conducting electroactive polymers

Cited by 63 publications

References 15 publications

Electrochemical Synthesis and Characterization of Electroactive Conducting Polypyrrole Polymers

Electrochemical Synthesis and Characterization of Electroactive Conducting Polypyrrole Polymers

Influence of doping anions on the ion exchange behavior of polypyrrole

Synthesis, Characterization and Electrochemical Property of Polypyrrole Nanoparticles

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