Quantitative in-situ EPR spectroelectrochemical studies of doping processes in poly(3,4-alkylenedioxythiophene)s

Domagała, Wojciech; Pilawa, Barbara; Łapkowski, Mieczysław

doi:10.1016/j.electacta.2007.12.068

Cited by 53 publications

(50 citation statements)

References 54 publications

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“…In this point we also compare obtained results with previously reported by our group PEDOT doping [52]. This indicates distinct contribution of oxygen atoms to radical cation orbital however lower than in the case of sulfur atoms.…”

Section: P-dopingsupporting

confidence: 77%

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The role of structural and electronic factors in shaping the ambipolar properties of donor–acceptor polymers of thiophene and benzothiadiazole

et al. 2015

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Section: P-dopingsupporting

confidence: 77%

“…This is lower value compared to 0.12 spin per unit obtained from quantitative measurement of PEDOT. [52] Spectroelectrochemical and CV analysis show fundamental differences between p-and ndoping. The reduction results with formation of one type charger carrier negative polaron (in the range related to the first reversible redox pair).…”

Section: N-dopingmentioning

confidence: 99%

The role of structural and electronic factors in shaping the ambipolar properties of donor–acceptor polymers of thiophene and benzothiadiazole

et al. 2015

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“…The absorbance due to intraband transition in NIR region was increased with increase of applied potential to a more positive side in the above-mentioned pH ranges. This absorbance is due to the formation of bipolarons [29] at that potential in all the pHs. As a result, the PEDOT films showed similar spectral behavior as a function of applied potential irrespective of solution pH.…”

Section: Spectroelectrochemistry Of Pedot Film At Different Ph Valuesmentioning

confidence: 98%

Electrochemical Polymerization of 3,4‐Ethylenedioxythiophene from Aqueous Solution Containing Hydroxypropyl‐β‐cyclodextrin and the Electrocatalytic Behavior of Modified Electrode Towards Oxidation of Sulfur Oxoanions and Nitrite

2008

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Poly(3,4-ethylenedioxythiophene) (PEDOT) film was prepared on glassy carbon electrode from 0.1 M LiClO 4 aqueous solution containing 3,4-ethylenedioxythiophene (EDOT) monomer and hydroxypropyl-b-cyclodextrin (HP-b-CD), by multiple scan cyclic voltammetry. The effect of oxidation potentials on electropolymerization of EDOT was examined by chronoamperometry and cyclic voltammetric techniques. The results of potentiostatic experiments show that optimum potential range to obtain compact stable film was 0.9 to 1.05 V (vs. Ag/AgCl). At higher positive potential, i.e. above 1.05 V, polymer growth was hindered by passivation effect. The PEDOT film exhibited a strong absorption at 550 nm in the UV-vis region and also a multicolor electrochromism in different buffer solutions (sky blue-purple red). Cyclic voltammetric features of PEDOT-coated electrode in pure supporting electrolyte suggested that charge transfer of the film resembles that of surface-confined redox species. Finally, the electrocatalytic behavior of PEDOT-modified electrode was tested towards oxidation of sulfur oxoanions and nitrite using cyclic voltammetry.

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“…PEDOT is also used as a model compound to the wide range of applications due to its excellent environmental and electrochemical stability, electric conductivity [18] and solubility in water when complexed with poly(styrene sulphonate) (PSS). Moreover, its colour change from transparent to deep blue when passing by different oxidation states is widely studied as electrochromic layer for electrochromic devices [19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Hydroxypropyl cellulose-based gel electrolyte for electrochromic devices

Ledwon

Andrade

Łapkowski

et al. 2015

Electrochimica Acta

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Quantitative in-situ EPR spectroelectrochemical studies of doping processes in poly(3,4-alkylenedioxythiophene)s

Cited by 53 publications

References 54 publications

The role of structural and electronic factors in shaping the ambipolar properties of donor–acceptor polymers of thiophene and benzothiadiazole

The role of structural and electronic factors in shaping the ambipolar properties of donor–acceptor polymers of thiophene and benzothiadiazole

Electrochemical Polymerization of 3,4‐Ethylenedioxythiophene from Aqueous Solution Containing Hydroxypropyl‐β‐cyclodextrin and the Electrocatalytic Behavior of Modified Electrode Towards Oxidation of Sulfur Oxoanions and Nitrite

Hydroxypropyl cellulose-based gel electrolyte for electrochromic devices

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