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Abstract: A novel imprinted CoFe2O4/MWCNTs photocatalyst was prepared through the combination of a hydrothermal method and suspension polymerization based on 2-mercaptobenzothiazole (MBT) as the molecular template, pyrrole as the imprinted functional monomer and conductive polymerizable monomer, and CoFe2O4/MWCNTs as the matrix material. The results indicated that the surface imprinted layer was successfully coated on the surface of CoFe2O4/MWCNTs and polypyrrole (PPy) was formed and existed in the surface imprinted layer, the magnetic saturation value of the novel imprinted CoFe2O4/MWCNTs photocatalyst was 19 emu g-1. Moreover, compared with other photocatalysts, the novel imprinted CoFe2O4/MWCNTs photocatalyst not only had a high photocatalytic efficiency (57.09%), but also possessed a strong ability for selective recognition and photodegradation of MBT (the coefficients of selectivity of the novel imprinted CoFe2O4/MWCNTs photocatalyst relative to CoFe2O4/MWCNTs and the non-imprinted CoFe2O4/MWCNTs photocatalyst was 3.37 and 3.28, respectively). In addition, in the process of the photodegradation reaction, H+ and •OH were the main oxidative species, •O2- played a very small role
Template and target information: 2-mercaptobenzothiazole, MBT