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One‐Pot Synthetic Approach for Magnetically Separable Graphene Nanocomposite for Dye Degradation
Author(s) -
Pethsangave Dattatray A.,
Khose Rahul V.,
Wadekar Pravin H.,
Kulal Dnyaneshwar K.,
Some Surajit
Publication year - 2020
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201903966
Subject(s) - nanocomposite , graphene , materials science , polyaniline , thermogravimetric analysis , x ray photoelectron spectroscopy , polypyrrole , fourier transform infrared spectroscopy , photocatalysis , scanning electron microscope , chemical engineering , ferrite (magnet) , nuclear chemistry , composite material , polymer , nanotechnology , polymerization , chemistry , organic chemistry , catalysis , engineering
We have developed a facile and efficient one‐pot synthesis of nanocomposites of magnetic separable Graphene Polyaniline‐Ferrite (G@PANI‐Fe 3 O 4 ) and Graphene Polypyrrole‐Ferrite (G@PPy‐Fe 3 O 4 ) for the use of photocatalytic dye degradation of pollutants. This is the first attempt to synthesize PANI‐Fe 3 O 4 and PPy‐Fe 3 O 4 on graphene surface by a simple hydrothermal step, where PANI and PPy constructed nanocomposites with graphene and ferrite nanoparticles. The nitrogen‐containing functional groups of PANI and PPy have provided more active sites on functionalized G@PANI‐Fe 3 O 4 and G@PPy‐Fe 3 O 4 nanocomposites for enhanced dye degradation capacity. The photocatalytic activity of as‐prepared nanocomposites was investigated by the degradation of direct red 23. The effective degradation of direct red 23 up to 95.44% and 94.98% was observed by using the dose of 1 g/L G@PANI‐Fe 3 O 4 and G@PPy‐Fe 3 O 4 nanocomposite respectively, at pH 4 and contact time within 10 min only. The degradation capacity of G@PANI‐Fe 3 O 4 and G@PPy‐Fe 3 O 4 nanocomposite was superior in comparison with reported material and could be recycled at least 10 cycles. As‐prepared nanocomposites were well characterized by X‐ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), X‐ray diffraction (XRD), Thermogravimetric analysis (TGA), Vibrating Sample Magnetometer (VSM) and Scanning Electron Microscope (SEM). The results demonstrated that the magnetically separable G@PANI‐Fe 3 O 4 and G@PPy‐Fe 3 O 4 nanocomposites are acting as an effective catalyst for dye degradation, which has effective recyclability property. The efficient dye degradation capacity of as‐prepared nanomaterials could provide an innovative platform for different applications including the control of water pollution.