Electrochemically Obtained Polysulfonates Doped Poly(3,4-ethylenedioxythiophene) Films—Effects of the Dopant’s Chain Flexibility and Molecular Weight Studied by Electrochemical, Microgravimetric and XPS Methods
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. Electrochemical Polymerization
3.2. XPS Studies
3.3. Electrochemical Redox Activity—EQCM Studies
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Dopant | −Δf (kHz) | d Δf/dQp (kHz/mC) | Intercept (kHz) | R2 |
---|---|---|---|---|
i-PASA | 3.900 | −0.140 | −0.130 | 0.9981 |
t-PASA | 4.117 | −0.143 | −0.167 | 0.9977 |
PSSA (LMw) | 17.087 | −0.609 | −0.480 | 0.9996 |
PSSA (HMw) | 22.784 | −0.904 | −0.286 | 0.9991 |
i-PASNa | 14.290 | −0.547 | −0.513 | 0.9975 |
t-PASNa | 18.094 | −0.660 | −0.385 | 0.9994 |
PSSNa (LMw) | 10.747 | −0.388 | −0.697 | 0.9996 |
PSSNa (HMw) | 14.624 | −0.546 | −0.902 | 0.9964 |
S (PEDOT) | S (PEDOT+SO3−) | S (Na+SO3−) | S (H+SO3−) |
---|---|---|---|
164.1 | 165.4 | 167.7 | 168.1 |
165.2 | 166.5 | 168.9 | 169.2 |
Dopant | S (PEDOT) (% of S) | S (PEDOT+SO3−) (% of S) | S (Na+SO3−) (% of S) | S (H+SO3−) (% of S) | OL * (XPS) | y | DL ** S-Based | DL *** N-Based |
---|---|---|---|---|---|---|---|---|
i-PASA | 58.6 | 10.8 | - | 30.6 | 0.18 | 0.16 | 0.71 | 0.64 |
t-PASA | 56.4 | 14.5 | - | 29.1 | 0.26 | 0.17 | 0.77 | 0.77 |
PSSA (HMw) | 45.0 | 20.2 | - | 34.8 | 0.45 | 0.27 | 1.22 | - |
i-PASNa | 47.8 | 17.6 | 11.2 | 23.4 | 0.37 | 0.25 | 1.09 | 1.25 |
t-PASNa | 46.3 | 17.5 | 10.1 | 26.1 | 0.38 | 0.23 | 1.16 | 1.40 |
PSSNa (HMw) | 47.2 | 16.8 | 8.5 | 27.5 | 0.36 | 0.23 | 1.12 |
Dopant | M (XPS-Based) * (g/mol) | M (EQCM-Based) ** (g/mol) |
---|---|---|
i-PASA | 307.64 | 214.05 |
t-PASA | 323.41 | 219.31 |
PSSA (HMw) | 365.09 | 1548.29 |
i-PASNa | 411.03 | 1020.46 |
t-PASNa | 427.84 | 1042.83 |
PSSNa (HMw) | 370.64 | 1297.21 |
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Lyutov, V.; Kabanova, V.; Gribkova, O.; Nekrasov, A.; Tsakova, V. Electrochemically Obtained Polysulfonates Doped Poly(3,4-ethylenedioxythiophene) Films—Effects of the Dopant’s Chain Flexibility and Molecular Weight Studied by Electrochemical, Microgravimetric and XPS Methods. Polymers 2021, 13, 2438. https://doi.org/10.3390/polym13152438
Lyutov V, Kabanova V, Gribkova O, Nekrasov A, Tsakova V. Electrochemically Obtained Polysulfonates Doped Poly(3,4-ethylenedioxythiophene) Films—Effects of the Dopant’s Chain Flexibility and Molecular Weight Studied by Electrochemical, Microgravimetric and XPS Methods. Polymers. 2021; 13(15):2438. https://doi.org/10.3390/polym13152438
Chicago/Turabian StyleLyutov, Vladimir, Varvara Kabanova, Oxana Gribkova, Alexander Nekrasov, and Vessela Tsakova. 2021. "Electrochemically Obtained Polysulfonates Doped Poly(3,4-ethylenedioxythiophene) Films—Effects of the Dopant’s Chain Flexibility and Molecular Weight Studied by Electrochemical, Microgravimetric and XPS Methods" Polymers 13, no. 15: 2438. https://doi.org/10.3390/polym13152438
APA StyleLyutov, V., Kabanova, V., Gribkova, O., Nekrasov, A., & Tsakova, V. (2021). Electrochemically Obtained Polysulfonates Doped Poly(3,4-ethylenedioxythiophene) Films—Effects of the Dopant’s Chain Flexibility and Molecular Weight Studied by Electrochemical, Microgravimetric and XPS Methods. Polymers, 13(15), 2438. https://doi.org/10.3390/polym13152438