Enhanced pseudocapacitive performance of electroactive p-type conductive polymer in the presence of 1-octadecyl-3-methylimidazolium bromide
| Autor: | Elaheh Kowsari, Ali Ehsani, H. Mohammad Shiri, R. Safari, M. Dashti Najafi |
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| Rok vydání: | 2017 |
| Předmět: |
chemistry.chemical_classification
Conductive polymer Materials science Composite number Analytical chemistry 02 engineering and technology Polymer 010402 general chemistry 021001 nanoscience & nanotechnology Electrochemistry 01 natural sciences 0104 chemical sciences Surfaces Coatings and Films Electronic Optical and Magnetic Materials Dielectric spectroscopy Biomaterials chemistry.chemical_compound Colloid and Surface Chemistry chemistry Chemical engineering Bromide Electrode Cyclic voltammetry 0210 nano-technology |
| Zdroj: | Journal of Colloid and Interface Science. 503:10-16 |
| ISSN: | 0021-9797 |
| DOI: | 10.1016/j.jcis.2017.05.008 |
| Popis: | In present work, for improving the electrochemical performance of conductive polymer, POAP/1-octadecyl-3-methylimidazolium Bromide ([OMD]Br) composite films have been fabricated by POAP electropolymerization in the presence of [OMD]Br as active electrodes for electrochemical supercapacitors. Different electrochemical methods including galvanostatic charge discharge experiments, cyclic voltammetry and electrochemical impedance spectroscopy have been applied to study the system performance. Analyses of DFT results show that the atomic-scale electronic properties are generally depend on the bonding and electronic molecular structures (and thus their variation with the external bias in real nano-electrochemical circuits). The supercapacity behavior of the composite film was attributed to the (i) high active surface area of the composite, (ii) charge transfer along the polymer chain due to the conjugation form of the polymer and finally (iii) synergism effect between conductive polymer and [OMD]Br. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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