Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 505, Issue -, Pages 130-138Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.05.101
Keywords
Polypyrrole (PPy); Fe2O3; Reduced graphene oxide; Hydrogels; Heterogeneous Fenton reaction
Categories
Funding
- National Nature Science Foundation of China [21674028, 21404035]
- Natural Science Foundation of Heilongjiang Province of China [E2015005]
- State Key Laboratory of Supramolecular Structure and Materials [sklssm 201725]
Ask authors/readers for more resources
Ternary reduced graphene oxide nanosheets (rGSs)/Fe2O3/polypyrrole (PPy) hydrogels with Fe2O3 nanoparticles (NPs) embedded between rGSs and PPy layer were prepared in one-pot. The ternary hydro gels exhibited an interconnected and porous three-dimensional network with co-existence of macropores and mesopores. Fe2O3 NPs uniformly dispersed on rGS surface with the diameter of 8.8 nm. Control experiments were carried out to investigate the roles of components in formation of ternary hydrogels. During heterogeneous Fenton degradation of methylene blue (MB) dyes, the ternary hydrogels exhibited much better removal efficiency than the reference samples, not only because rGSs and PPy layer altered the adsorption, dispersity and diameter of Fe2O3 NPs; but also owing to the structural merits of ternary hydrogels. The effects of operating conditions, such as initial MB concentrations, dosages of catalysts and H2O2,were carefully investigated. With the help of Fe2O3 NPs, ternary rGSs/Fe2O3/PPy hydrogels could be easily separated via a magnet. In recycling experiments, they showed superior reusability. (c) 2017 Elsevier Inc. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available