The morphology of pani/graphene composites prepared under isothermal conditions
This article investigates the morphology of polyaniline/electrochemically exfoliated graphene composites prepared by oxidative polymerization with ammonium persulfate at a constant temperature (15 °C). During the polymerization, the pH of the reaction mixture decreases, which was used to monitor the...
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| Dokumentumtípus: | Könyv része |
| Megjelent: |
University of Szeged
Szeged
2021
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| Sorozat: | Proceedings of the International Symposium on Analytical and Environmental Problems
27 |
| Kulcsszavak: | Kompozit |
| Tárgyszavak: | |
| Online Access: | http://acta.bibl.u-szeged.hu/75954 |
| Tartalmi kivonat: | This article investigates the morphology of polyaniline/electrochemically exfoliated graphene composites prepared by oxidative polymerization with ammonium persulfate at a constant temperature (15 °C). During the polymerization, the pH of the reaction mixture decreases, which was used to monitor the rate of the reaction. A granular morphology with the presence of large sheet-like structures is found to be predominant for the composite prepared without added acid, while rod-shaped and tubular morphology is characteristic for the composite prepared with the addition of glacial acetic acid. The nanotubular and nanorod morphology of the sample prepared with the addition of glacial acetic acid was also confirmed by the presence of prominent phenazine structural units in Raman spectra. The composite prepared with the addition of HCl has granular morphology with a small amount of rod-like structures. |
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| Terjedelem/Fizikai jellemzők: | 159-163 |
| ISBN: | 978-963-306-835-9 |