Abstract
The preparation of polyaniline/titania (PANI/TiO2) and polyaniline/graphene nanosheets (PANI/GNS) nanocomposites by in situ chemical oxidation polymerization is reported for the comparison of their study for the removal of methyl orange (MO) from aqueous solution. Scanning electron microscopy (SEM) and ultraviolet-visible spectroscopy (UV-VIS) have been used to analyse the nanocomposites towards their morphology and adsorption kinetics for finding the suitability of metal oxide or graphene embedded polyaniline based nanocomposites. This study is a comparison for PANI/TiO2 and PANI/GNS towards their applicability for the removal of MO in aqueous solution. The nanocomposites of different dimensionality PANI/TiO2 and PANI/GNS are effective to remove the MO dye by 65–70%. The results obtained from adsorption kinetics by using pseudo first order model and pseudo second order model, it is indicated that the adsorption of dye is a physical adsorption. In comparison, metal oxide incorporated polyaniline has shown better percentage of removal of dye as compared to that of graphene incorporated polyaniline.
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Ramteke, J.N., Nerkar, N.V., Kondawar, S.B. (2020). Comparative Study of Dye Removal Using PANI/TiO2 and PANI/GNS Nanocomposites. In: Murakami, RI., Koinkar, P., Fujii, T., Kim, TG., Abdullah, H. (eds) NAC 2019. Springer Proceedings in Physics, vol 242. Springer, Singapore. https://doi.org/10.1007/978-981-15-2294-9_8
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DOI: https://doi.org/10.1007/978-981-15-2294-9_8
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