Journal
MATERIALS LETTERS
Volume 298, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.130014
Keywords
Polypyrrole; Photocatalytic activity; Scanning electron microscopy; Methylene blue; X-ray diffraction
Funding
- SERB (Science and Engineering Research Board), DST (Department of Science and Technology), Government of India [EMR/2017/002882]
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Polyprrole-silver nanocomposite samples were successfully synthesized through chemical oxidative polymerization. The presence of silver in Ppy was confirmed by XRD, and the coordination of silver into Ppy was revealed by FTIR spectroscopy. The photocatalytic activity of the samples showed improvement with the addition of silver, especially at higher silver concentrations.
Polypyrrole (Ppy)-Silver nanocomposite samples have been synthesised by chemical oxidative polymerisation. The characteristic peaks of face centered cubic (fcc) structure of silver in XRD confirmed its presence in Ppy. Shift in N-H stretching frequency observed in FTIR spectroscopy revealed the coordination of silver into Ppy. The photocatalytic activity of the samples was studied by photocatalytic degradation of the aqueous solution of methylene blue (MB) under sunlight. The presence of Ag in polypyrrole (Ppy) enhanced its photocatalytic activity with respect to the reported values which further increased on increasing the silver concentration. (c) 2021 Elsevier B.V. All rights reserved.
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