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“Polyaniline”: Interconversion of Metallic and Insulating Forms
Abstract
“Polyaniline” has been synthesized in various forms both chemically and electrochemically in aqueous media. The qulnoid-benzenoid-diimine form, an insulator, is doped by dilute aqueous protonic acids to the metallic regime ([sgrave] = 5 ohm−1cm−1; compressed pellet) to give the corresponding iminium salt. This represents a new type of p-doping phenomenon in a conducting polymer. Both these forms are stable in the presence of air and/or water. The doping process is reversed by treatment with aqueous alkali. Cyclic voltammetry studies in an aqueous electrolyte show excellent reversibility between selected reduced and oxidized forms of polyaniline.
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Citations
Cited by
Electrical and Electrochemical Properties of Conducting Polymers
Le, T.-H., Kim, Y., & Yoon, H. (2017) · Polymers · doi:10.3390/polym9040150 · Cited by 1,156
Noncarbon Support Materials for Polymer Electrolyte Membrane Fuel Cell Electrocatalysts
Wang, Y.-J., Wilkinson, D. P., & Zhang, J. (2011) · Chemical Reviews · doi:10.1021/cr100060r · Cited by 801
Two-dimensional polyaniline (C 3 N) from carbonized organic single crystals in solid state
Mahmood, J., Lee, E. K., Jung, M., Shin, D., Choi, H.-J., Seo, J.-M., Jung, S.-M., Kim, D., Li, F., Lah, M. S., et al. (2016) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1605318113 · Cited by 478
Xie, J., & Zhang, Q. (2019) · Small · doi:10.1002/smll.201805061 · Cited by 429
The intrinsic nanofibrillar morphology of polyaniline
Huang, J., & Kaner, R. B. (2006) · Chem. Commun. · doi:10.1039/b510956f · Cited by 419
Metadata
- Authors
- Macdiarmid, A. G., Chiang, J.-C., Halpern, M., Huang, W.-S., Mu, S.-L., Nanaxakkara, L. D., Wu, S. W., & Yaniger, S. I.
- Venue
- Molecular Crystals and Liquid Crystals
- Publisher
- Informa UK Limited
- Published
- 1985-03
- Volume
- 121
- Issue
- 1-4
- Pages
- 173-180
- ISSN
- 0026-8941 (ISSN-L)
- OpenAlex
- W2050511832
- Cited by
- 895
- References
- 0
- FWCI
- 35.59
- Type
- journal article
- Language
- en
- Open access
- closed
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- Macdiarmid, A. G., Chiang, J.-C., Halpern, M., Huang, W.-S., Mu, S.-L., Nanaxakkara, L. D., Wu, S. W., & Yaniger, S. I. (1985). “Polyaniline”: Interconversion of Metallic and Insulating Forms. Molecular Crystals and Liquid Crystals. https://doi.org/10.1080/00268948508074857
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