作    者：朱华跃,蒋茹, 等
影响因子：3.15
刊物名称：Applied Surface Science
出版年卷：2016, 369: 1-10

文章摘要：Novel multifunctional NiFe2O4/ZnO hybrids were prepared by a hydrothermal method and their physico-chemical properties were characterized by XRD, SEM, TEM, TGA, VSM, BET and UV–vis DRS. The adsorptionand photocatalytic performance of NiFe2O4/ZnO hybrids were systematically investigated using congored as a model contaminant. With the introduction of NiFe2O4, NiFe2O4/ZnO hybrids can absorb thewhole light from 300 nm to 700 nm. The adsorption capacity (221.73 mg g−1) of NiFe2O4/ZnO hybridsis higher than those of NiFe2O4, ZnO and mechanically mixed NiFe2O4/ZnO hybrids. The removal ofcongo red solution (20 mg L−1) by NiFe2O4/ZnO hybrids was about 94.55% under simulated solar lightirradiation for 10 min.•OH and h+play important roles in the decolorization of congo red solution byNiFe2O4/ZnO hybrids under simulated solar light irradiation. The decolorization efficiency of congo redsolution is 97.23% for the fifth time by NiFe2O4/ZnO hybrids under simulate solar light irradiation, indi-cating the high photostability and durability. NO3−and Cl−anions which are ubiquitous components indye-containing wastewater have negligible influence on the effectiveness of NiFe2O4/ZnO hybrids. More-over, the magnetic NiFe2O4/ZnO hybrids can be easily separated from the reacted solution by an externalmagnet.

全文链接