Article history: Novel multifunctional NiFe O /ZnO hybrids were prepared by a hydrothermal method and their physico- 2 4 Received 31 December 2015 chemical properties were characterized by XRD, SEM, TEM, TGA, VSM, BET and UV–vis DRS. The adsorption Received in revised form 1 February 2016 and photocatalytic performance of NiFe O /ZnO hybrids were systematically investigated using congo 2 4 Accepted 4 February 2016 red as a model contaminant. With the introduction of NiFe O , NiFe O /ZnO hybrids can absorb the 2 4 2 4 Available online 16 February 2016 −1 whole light from 300 nm to 700 nm. The adsorption capacity (221.73 mg g ) of NiFe O /ZnO hybrids 2 4 is higher than those of NiFe O , ZnO and mechanically mixed NiFe O /ZnO hybrids. The removal of 2 4 2 4 Keywords: −1 congo red solution (20 mg L ) by NiFe O /ZnO hybrids was about 94.55% under simulated solar light 2 4 Photocatalysis • + irradiation for 10 min. OH and h play important roles in the decolorization of congo red solution by Adsorption NiFe O /ZnO hybrids under simulated solar light irradiation. The decolorization efﬁciency of congo red
Applied Surface Science – Elsevier
Published: Apr 30, 2016
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